{"id":10818,"date":"2026-07-14T16:16:12","date_gmt":"2026-07-14T16:16:12","guid":{"rendered":"https:\/\/www.truthforhealth.org\/?p=10818"},"modified":"2026-07-14T16:16:12","modified_gmt":"2026-07-14T16:16:12","slug":"dr-vliets-health-tip-silent-sabotage-how-modern-life-depletes-nitric-oxide-damages-your-gut","status":"publish","type":"post","link":"https:\/\/www.truthforhealth.org\/es\/2026\/07\/dr-vliets-health-tip-silent-sabotage-how-modern-life-depletes-nitric-oxide-damages-your-gut\/","title":{"rendered":"Dr. Vliet\u2019s Health Tip~ Silent Sabotage: How Modern Life Depletes Nitric Oxide &#038; Damages Your Gut\u201d"},"content":{"rendered":"<p>Did you know <em>nitric oxide <\/em>(NO) plays a major role in maintaining gut health?\u00a0 Most doctors don\u2019t mention it.\u00a0 Most people never heard about nitric oxide beyond \u201c<em>it helps lower blood pressure.<\/em>\u201d\u00a0 Yet this simple molecule is actually a quiet workhorse that links your gut, your immune system, your heart and blood vessels, your brain, and plays a major role in whether you remain healthy with zest and vitality as you age. In addition to all you have heard about nitric oxide\u2019s role in cardiovascular health and erectile function, this powerful vasodilator molecule helps keep blood flowing to your intestinal lining, supports your immune defenses, and influences how \u201cleaky\u201d or resilient your gut barrier is. When the gut barrier breaks down due to vascular and endothelial damage, more toxins and inflammatory molecules slip into the bloodstream, and your body pays the price over time.<\/p>\n<p>Today\u2019s world makes this problem worse due to many sources of silent sabotage: 1) the standard American diet\u2014packed with ultra\u2011processed foods, sugar, and unhealthy fats\u2014chips away at gut health day after day. 2) Viral and bacterial infections, 3) COVID and other vaccines, 4) many of today\u2019s medications, 4) repeated medical interventions, and 6) environmental toxins (herbicides, pesticides, endocrine disruptors, microplastics, etc) damage the good bacteria that protect your gut and help your body make and use nitric oxide properly. Then add in aging, chronic stress, poor sleep, sitting too much, and constant exposure to chemicals in the sky and you get a perfect storm where the critical beneficial gut microbes die off, nitric oxide signaling declines, and inflammation quietly rises. That combination doesn\u2019t just affect digestion; it can shape your heart health, brain function, hormone balance, and overall resilience as you age.<\/p>\n<p>In my original Health Tip: <a href=\"https:\/\/www.truthforhealth.org\/es\/2025\/07\/dr-vliets-health-tip-nitric-oxide-master-molecule-super-optimizer-of-health\/\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/www.truthforhealth.org\/2025\/07\/dr-vliets-health-tip-nitric-oxide-master-molecule-super-optimizer-of-health\/&amp;source=gmail&amp;ust=1783702783080000&amp;usg=AOvVaw28wc59Pb6hus4JOAwKpHWJ\">Nitric oxide Master Molecule &amp; Super Optimizer of Health<\/a> I introduced nitric oxide (NO) as nature\u2019s super optimizer of health. This amazing little molecule dilates vessels, improves blood flow throughout the body, stimulates formation of new blood vessels for tissue repair and wound healing, and regulates platelet aggregation and reduces the risk of blood clots. Nitric oxide used to be thought of as simply the \u201cfoundation of heart health\u201d until we realized it\u2019s \u201cmaster\u201d effects on blood vessels throughout the brain and body as a vasodilator controlling blood flow to help support healthy blood flow pressure and health of the endothelium lining of blood vessels.<\/p>\n<p>Today\u2019s health tip focuses on nitric oxide\u2019s role in gut health, inflammation and insulin resistance, and provide specific steps you can take to optimize your nitric oxide levels and reap its wide range of health benefits. But first, let\u2019s review a summary of the key functions of nitric oxide throughout the body and important key points.<\/p>\n<p><strong>SUMMARY OF KEY FUNCTIONS OF NITRIC OXIDE<\/strong><strong>:<\/strong> NO is synthesized in the body through a process of converting L-arginine (a \u201csemi-essential\u201d amino acid) into nitric oxide and citrulline. Once synthesized, NO is released to diffuse freely across cell membranes to execute its functions:<\/p>\n<ol>\n<li><strong>Vasodilation<\/strong> \u2013 relaxing and widening of blood vessels to help blood flow, to better deliver oxygen and nutrients to muscles and organs and regulating blood pressure.<\/li>\n<li><strong>Angiogenesis<\/strong> \u2013 the formation of new blood vessels important for tissue repair and wound healing.<\/li>\n<li><strong>Platelet function<\/strong> \u2013 Helps to regulate platelet aggregation to prevent blood clots and maintain heart health.<\/li>\n<li><strong>Relaxation of smooth muscle<\/strong> in gastrointestinal tract, airways, urinary bladder, uterus, etc.\u2026) to regulate the processes of digestion, breathing, urination, menstruation and pregnancy.<\/li>\n<li><strong>Immune response<\/strong> \u2013 Helps to regulate inflammation and can also be made by the immune cells to kill bacteria, viruses and parasites.<\/li>\n<li><strong>Neurotransmission<\/strong> \u2013 Serves as a signaling molecule for the brain and peripheral nervous system.<\/li>\n<li><strong>Mitochondrial regulation<\/strong> \u2013 Modulates mitochondrial respiration and energy production in cells.<\/li>\n<li><strong>Gene expression regulation<\/strong> \u2013 Acts as a signaling molecule within cells to regulate gene expression and other cellular processes including cell proliferation (cell growth and division), differentiation (cell specialization), and apoptosis (programmed cell death).<\/li>\n<\/ol>\n<p><strong>IMPRESSIVE HEALTH BENEFITS OF NITRIC OXIDE: <\/strong><br \/>\n<strong>Male Hormones and Erectile Dysfunction <\/strong><\/p>\n<ul>\n<li><strong>Testosterone <\/strong>\u2013 Nitric oxide (NO) and testosterone have\u00a0a complex, bidirectional relationship: Testosterone can positively regulate NO production, while NO can also influence testosterone secretion.<\/li>\n<li><strong>Erectile Dysfunction<\/strong> \u2013 NO is a key mediator of penile erection by stimulating the relaxation of smooth muscle cells in the erectile tissue leading to increased blood flow for the attainment of erection.<\/li>\n<li><strong>Sexual Arousal<\/strong> \u2013 Both testosterone and NO levels increase during sexual excitation\/arousal, and there\u2019s a correlation between both testosterone and NO levels and sexual behavior.<\/li>\n<\/ul>\n<p><strong>Female Hormones and Sex<\/strong><\/p>\n<ul>\n<li><strong>Estrogen (in particular, 17-beta estradiol, the primary pre-menopausal estrogen) and nitric oxide work together<\/strong> to maintain healthy blood vessels, reducing risk of stroke,\u00a0protecting the brain and cognitive function, and maintaining healthy blood pressure. Loss of estradiol at menopause leads directly to declining NO production and is one of the main reasons menopausal women have higher blood pressure, and also experience memory loss, mood dysregulation, sleep and concentration problems.<\/li>\n<li><strong>Increased NO production<\/strong> \u2013 17\u03b2-Estradiol increases expression and activity of\u00a0nitric oxide synthase (NOS),\u00a0the enzyme responsible for NO production.<\/li>\n<li><strong>Sexual Function<\/strong> \u2013 NO is involved in sexual arousal and function, with links to improved blood flow to the genital area.<\/li>\n<\/ul>\n<p><strong>Brain and Cognitive Health<\/strong><\/p>\n<p>Nitric oxide (NO) plays a multifaceted role in brain function, acting as a signaling molecule with both neuroprotective and neurotoxic effects.\u00a0It\u2019s involved in\u00a0regulating cerebral blood flow, synaptic plasticity, learning, memory, and even influences the sleep-wake cycle.<\/p>\n<p><strong>PTSD<\/strong><\/p>\n<p>Nitric oxide (NO) plays a significant role in the development and progression of PTSD, particularly in the context of fear and memory. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32739909\/\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/pubmed.ncbi.nlm.nih.gov\/32739909\/&amp;source=gmail&amp;ust=1783702783081000&amp;usg=AOvVaw1t6vTV8owAliGDeyunrshQ\">Studies<\/a> suggest that alterations in NO signaling, especially involving the enzyme neuronal nitric oxide synthase (nNOS), are linked to PTSD symptoms and related behaviors. Furthermore, manipulating NO levels, such as through <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10913844\/\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10913844\/&amp;source=gmail&amp;ust=1783702783081000&amp;usg=AOvVaw04WNlml2L19nlCBhF9Sb26\">nitrous oxide inhalation<\/a> has shown promise as a potential therapeutic approach for some individuals with PTSD.<\/p>\n<p><strong>Heart Health <\/strong><\/p>\n<p>NO plays a critical role in protection against the onset and progression of cardiovascular disease through blood pressure regulation, maintaining vascular tone, inhibiting platelet aggregation and leukocyte adhesion, and prevention of smooth muscle cell proliferation (leading to thickening of blood vessel walls). <strong><em>Low NO levels are linked to hypertension, atherosclerosis, cardiomyopathy, congestive heart failure and heart attacks<\/em><\/strong> fundamentally via endothelial dysfunction, impaired blood flow and oxygen delivery to heart and lungs.<\/p>\n<p><strong>Diabetes <\/strong><\/p>\n<p>Nitric oxide is a critical molecule in glucose metabolism. In diabetes, dysregulation of nitric oxide pathways can contribute to complications like kidney disease and blindness. NO deficiency impairs blood vessel function and reduces <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31690508\/\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/pubmed.ncbi.nlm.nih.gov\/31690508\/&amp;source=gmail&amp;ust=1783702783081000&amp;usg=AOvVaw0MvRv8zfOCld-_yyH3og6d\">insulin sensitivity<\/a> which in turn leads to more gain in body fat and difficulty controlling glucose.<\/p>\n<p><strong>COPD<\/strong><\/p>\n<p>Studies show L-arginine metabolism is disturbed in individuals with COPD. With less L-arginine available for nitric oxide synthase (NOS) activity, less nitric oxide is produced. Supplementing with L- arginine and liposomal vitamin C can improve shortness of breath and the ability to perform daily activities in individuals\u2019 chronic obstructive pulmonary disease.<\/p>\n<p><strong>ADDITIONAL NITRIC OXIDE BENEFITS: <\/strong><\/p>\n<ul>\n<li>Hair and skin health, repair and even protection from sun damage.<\/li>\n<li>Improved exercise performance, including endurance, delayed fatigue, better muscle recovery and growth, less muscle soreness.<\/li>\n<li>Reduced inflammation throughout the body.<\/li>\n<li>Improved immune function.<\/li>\n<\/ul>\n<p><strong>Role of Nitric oxide Gut Health, Inflammation and Insulin Resistance<\/strong><br \/>\nNitric oxide acts like a switchboard for gut health, inflammation, and insulin sensitivity.\u00a0 At the right level and from the right sources, NO protects. When NO is overproduced in the wrong places, it quietly drives inflammation and damage. It is important to understand the <strong>Nitric oxide basics: the \u201cgood\u201d and \u201cbad\u201d streams.<\/strong><\/p>\n<p><strong>Nitric oxide (NO) is made from the amino acid l\u2011arginine by enzymes called nitric oxide synthases (NOS).\u00a0 There are three main types:<\/strong><\/p>\n<ul>\n<li>Endothelial NOS (eNOS) \u2013 lives in blood vessel lining cells and produces low, steady amounts of NO to help vessels relax, regulate blood flow, and support insulin delivery into tissues.<\/li>\n<li>Neuronal NOS (nNOS) \u2013 lives in nerve cells and produces NO as a messenger to help nerves communicate and coordinate gut motility and other functions.<\/li>\n<li>Inducible NOS (iNOS) \u2013 mostly in immune and inflamed tissues; it normally stays quiet but can turn on strongly during inflammation, flooding tissues with much higher and more sustained NO.<\/li>\n<\/ul>\n<p><strong><em>Think of eNOS\/nNOS as your \u201cbackground maintenance crew,\u201d<\/em><\/strong> making gentle pulses of NO that keep circulation, nerves, and basic defenses running smoothly<\/p>\n<p><strong><em>Think of iNOS is more like a fire hose: <\/em><\/strong><em>when inflammation ramps up, iNOS produces a large burst of NO intended to kill invaders or clear damage\u2014but when this stays chronically elevated, it becomes toxic to your own cells. <\/em><\/p>\n<p>Let\u2019s review the many ways nitric oxide works in your gut. Bear with me, this may be a little technical but I feel it is important to demonstrate all the nuances to fully appreciate what goes on in our body and understand the complex connections throughout our body. If this gets to be more detail than you need, jump ahead to my summary and ACTION PLAN at the end!<\/p>\n<p><strong>1. NO in gut barrier, motility, and mucosal defense<\/strong><br \/>\nIn the gastrointestinal (GI) tract, NO is a key regulator of the gut barrier\u2014the thin epithelial layer that separates the contents of your intestines from the rest of your body.<br \/>\nPhysiologic (healthy) levels of NO:<\/p>\n<ul>\n<li>Increase microvascular blood flow to the mucosa, ensuring oxygen and nutrients reach the gut lining.<\/li>\n<li>Support mucus secretion, which acts as a protective coating separating bacteria and food particles from epithelial cells.<\/li>\n<li>Aid epithelial restitution, meaning the rapid repair and regrowth of cells when the lining is slightly injured.<\/li>\n<li>Relax smooth muscle in the gut wall to coordinate motility, helping food move along at the right pace.<\/li>\n<\/ul>\n<p>At this \u201cmaintenance level,\u201d NO is cytoprotective\u2014it helps cells survive and recover\u2014and promotes healing in the stomach and intestines.<br \/>\nHowever, both too little and too much NO can predispose to mucosal injury, depending on context:<\/p>\n<ul>\n<li><strong>Too little NO<\/strong> (e.g., impaired eNOS activity, poor blood flow) can reduce mucosal perfusion, weaken barrier repair, and make the gut lining more vulnerable to irritants and toxins.<\/li>\n<li><strong>Too much NO<\/strong>, especially from iNOS during chronic inflammation, can overwhelm local antioxidant defenses, producing reactive nitrogen species that injure cells, disrupt tight junctions (the \u201crivets\u201d between gut cells), and promote barrier breakdown.<\/li>\n<\/ul>\n<p>So NO in the gut is a \u201cGoldilocks\u201d molecule: you want enough to maintain blood flow, mucus, and repair, but not the chronic, high\u2011flux production that accompanies ongoing inflammation.<\/p>\n<p><strong>2. NO and gut inflammation: dual roles<\/strong><br \/>\nNO plays a classic double role in gut inflammation:<\/p>\n<ul>\n<li>At lower, regulated levels (mostly eNOS\/nNOS), it can be anti\u2011inflammatory: improving microcirculation, supporting barrier integrity, and limiting excessive immune activation.<\/li>\n<li>At high, sustained levels from upregulated iNOS, it becomes pro\u2011inflammatory and tissue\u2011damaging.<\/li>\n<\/ul>\n<p><strong>3. NO and the gut microbiome<\/strong><br \/>\nNitric oxide also shapes the gut microbiome\u2014the community of bacteria and other microbes living in the intestines.<\/p>\n<ul>\n<li>At physiologic levels this can help maintain balance, discouraging overgrowth of certain pathogens.<\/li>\n<li>In inflammatory states, higher NO and peroxynitrite levels can reduce overall diversity and shift the ecosystem toward more stress\u2011tolerant, often less beneficial species.<\/li>\n<\/ul>\n<p>In practical terms, the NO status of the gut helps decide \u201cwho lives there,\u201d reinforcing either a healthy ecosystem or an inflammatory, dysbiotic one.<\/p>\n<p><strong>4. The oral\u2013gut nitrate\u2013NO axis<\/strong><br \/>\nBeyond NOS, you have a dietary route to NO: the nitrate\u2013nitrite\u2013NO pathway.\u00a0 Here\u2019s how it works:<\/p>\n<ol>\n<li><strong>Dietary nitrate<\/strong> from vegetables enters the bloodstream after absorption.<\/li>\n<li><strong>Salivary glands<\/strong> concentrate nitrate in saliva.<\/li>\n<li><strong>Oral bacteria<\/strong> on the tongue and in the mouth reduce nitrate to nitrite.<\/li>\n<li>When you swallow, nitrite enters the acidic environment of the stomach, where it can be chemically converted into NO and other nitrogen oxides.<\/li>\n<li>Some NO acts locally in the stomach and upper GI tract; some products are absorbed and contribute to systemic NO availability independent of eNOS.<\/li>\n<\/ol>\n<p>This pathway is important because it provides an alternative source of NO, particularly when endothelial NO production is impaired. It has documented relevance for:<\/p>\n<ul>\n<li>Vascular health and blood pressure regulation.<\/li>\n<li>Endothelial function.<\/li>\n<li>Metabolic health and exercise performance.<\/li>\n<\/ul>\n<p><strong><em>Several everyday factors can disrupt this oral\u2013gut nitrate\u2013NO axis:<\/em><\/strong><\/p>\n<ul>\n<li><strong>Antiseptic mouthwashes<\/strong> that kill nitrate\u2011reducing bacteria reduce nitrite formation and downstream NO.<\/li>\n<li>Very <strong>limited chewing<\/strong> (e.g., relying heavily on liquids or smoothies) reduces contact time with oral bacteria and the mechanics of chewing that signal this conversion.<\/li>\n<li><strong>Chronic high\u2011dose proton pump inhibitor (PPI<\/strong>) medicines use reduces gastric acidity, making nitrite\u2011to\u2011NO conversion less efficient.<\/li>\n<\/ul>\n<p>When this axis is impaired, dietary nitrate from vegetables no longer converts as effectively into NO, potentially contributing to endothelial dysfunction, higher blood pressure, and worsening cardiometabolic profiles.<\/p>\n<p><strong>5. NO, inflammation, and systemic insulin resistance<\/strong><br \/>\nSystemic insulin resistance often emerges in the setting of low\u2011grade, chronic inflammation in metabolic tissues: adipose tissue, liver, and skeletal muscle.\u00a0 In these tissues:<\/p>\n<ul>\n<li>Inflammatory signaling induces iNOS expression, especially in adipose tissue macrophages and hepatocytes.<\/li>\n<li>iNOS produces high levels of NO that react with other molecules to form reactive nitrogen species.<\/li>\n<li>These reactive species cause <strong>post\u2011translational modifications<\/strong> of insulin pathway proteins, particularly S\u2011nitrosylation (attachment of an NO group to cysteine residues), which alters protein function.<\/li>\n<li>The protein\u2019s ability to transmit the insulin signal is reduced.<\/li>\n<li>Glucose uptake in skeletal muscle falls.<\/li>\n<li>Hepatic glucose production becomes less tightly controlled.<\/li>\n<li>Adipose tissue becomes more lipolytic and pro\u2011inflammatory.<\/li>\n<\/ul>\n<p><strong><em>Over time, this leads to insulin resistance across liver, muscle, and fat tissue, even if pancreatic insulin output is initially normal or elevated.<\/em><\/strong><\/p>\n<p>In short, chronic iNOS\u2011driven NO and nitrosative stress in metabolic organs are one of the biochemical \u201cwrenches\u201d thrown into the gears of insulin signaling.<\/p>\n<p><strong>6. eNOS vs iNOS in metabolic regulation<\/strong><br \/>\nThere is a clear distinction between:<\/p>\n<ul>\n<li><strong>eNOS\u2011derived NO<\/strong> \u2013 generally protective in metabolic regulation.<\/li>\n<li><strong>iNOS\u2011derived NO<\/strong> \u2013 often damaging in the context of obesity and insulin resistance.<\/li>\n<\/ul>\n<p>Reduced eNOS activity or NO bioavailability in the endothelium is associated with endothelial dysfunction, insulin resistance, hypertension, and broader cardiometabolic disease. Blood vessels lose their ability to dilate appropriately, nutrient delivery to muscles and other tissues is impaired, and insulin\u2019s ability to reach and act on target cells declines.<\/p>\n<p>Upregulated iNOS and high flux of nitrogen oxides promote inflammation and insulin resistance in liver, muscle, and adipose tissue. Animal models with increased iNOS show worse metabolic profiles, while iNOS knockout or pharmacologic suppression often improves insulin sensitivity.<br \/>\nThis gives us a practical therapeutic focus:<\/p>\n<ul>\n<li>Enhance <strong>eNOS<\/strong> and its physiologic NO to improve vascular and metabolic function.<\/li>\n<li>Limit chronic <strong>iNOS<\/strong> activation and its high\u2011flux nitrosative output, especially in inflamed gut and metabolic tissues.<\/li>\n<\/ul>\n<p><strong>7. Nitrosative stress and metabolic complications<\/strong><br \/>\nWhen NO\u2014particularly from iNOS\u2014is produced in excess and the antioxidant system is overwhelmed, several damaging processes occur:<\/p>\n<ul>\n<li>NO reacts with superoxide to form peroxynitrite, a potent oxidant.<\/li>\n<li><em>Peroxynitrite <\/em>drives <strong>nitrosative stress<\/strong>, which overlaps with oxidative stress but specifically involves nitrogen\u2011containing reactive species.<\/li>\n<li>Lipid peroxidation damages cell membranes and lipoproteins.<\/li>\n<li>Mitochondrial proteins and DNA are injured, impairing energy production.<\/li>\n<li>Enzymes in metabolic pathways are modified, leading to functional impairment.<\/li>\n<\/ul>\n<p>Clinical and experimental data connect this nitrosative stress to:<\/p>\n<ul>\n<li>Worsening insulin resistance.<\/li>\n<li>Diabetic complications (e.g., neuropathy, nephropathy, vascular damage).<\/li>\n<li>Dyslipidemia and disturbed glucose homeostasis.<\/li>\n<\/ul>\n<p><strong>SUMMARY: Protect your gut\u2013metabolic axis!<\/strong><\/p>\n<ul>\n<li>Gut inflammation and dysbiosis drive high iNOS activity, the same nitric oxide chemistry that should protect you becomes part of a loop that damages the barrier, disrupts microbes, and worsens insulin resistance.<\/li>\n<li>Supporting healthy eNOS\u2011driven NO with diet, movement, and vascular care, while calming chronic iNOS activation, helps keep that loop from spinning out of control and causing damage.<\/li>\n<\/ul>\n<p><strong>We want to nourish \u201cgreen light\u201d NO through vegetables, exercise, and oral\u2013gut health and avoid flipping on chronic \u201cred light\u201d NO by reducing inflammation, processed foods, and gut barrier injury.<\/strong><\/p>\n<p><strong>YOUR NITRIC OXIDE-GUT OPTIMIZING ACTION PLAN <\/strong><br \/>\nOur Action Plan is designed to keep your gut and nitric oxide system on the same team.\u00a0 It helps digestion and also supports blood flow, metabolism, brain health and hormone balance as you age, and lowers risk of chronic illness.<\/p>\n<p><strong>Step 1: Understand the NO\u2013gut\u2013metabolism connection<\/strong><\/p>\n<p>Think of nitric oxide (NO) as a \u201csmart messenger\u201d that helps:<\/p>\n<ul>\n<li>Keep blood flowing smoothly to your gut and other organs<\/li>\n<li>Protect your gut lining so it isn\u2019t \u201cleaky\u201d<\/li>\n<li>Support healthy blood sugar, blood pressure, and energy<\/li>\n<\/ul>\n<p>When the gut is unhealthy\u2014too many \u201cbad\u201d bacteria, not enough \u201cgood\u201d ones, and a damaged gut lining\u2014more toxins (like LPS<strong>-lipopolysaccharide<\/strong> a known as endotoxin from bacteria) leak into the bloodstream. That leakage turns on a more aggressive form of NO (from iNOS) and related \u201cnitrosative stress,\u201d which can:<\/p>\n<ul>\n<li>Injure the gut lining further<\/li>\n<li>Upset the microbiome balance<\/li>\n<li>Interfere with insulin and promote inflammation<\/li>\n<\/ul>\n<p>At the same time, the helpful form of NO (from eNOS in your blood vessels) often goes down with aging, stress, and poor lifestyle habits. So, the goal is simple:<\/p>\n<ul>\n<li>Boost the <em>protective<\/em> NO that supports circulation and barrier health<\/li>\n<li>Dial down the <em>inflammatory<\/em> NO that keeps your gut and metabolism \u201con fire\u201d<\/li>\n<\/ul>\n<p><strong>Step 2: Spot what quietly drains your nitric oxide: <\/strong>\u201c<strong>NO saboteurs\u201d<\/strong><\/p>\n<ul>\n<li><strong>Getting older<\/strong> \u2013 Our natural NO\u2011producing enzymes slow down with age.<\/li>\n<li><strong>Declining estradiol in women and testosterone in men<\/strong>: Seek to optimize your hormones!<\/li>\n<li><strong>Not moving enough<\/strong> \u2013 Sitting most of the day means less blood\u2011flow signal to make NO.<\/li>\n<li><strong>Standard American diet<\/strong> \u2013 Lots of processed food, sugar, and unhealthy fats lower NO and raise inflammation.<\/li>\n<li><strong>Too few leafy greens and beets<\/strong> \u2013 These foods are the main nitrate sources your body uses to make NO.<\/li>\n<li><strong>Daily antibacterial mouthwash<\/strong> \u2013 It kills the mouth bacteria that turn food nitrates into usable NO.<\/li>\n<li><strong>Frequent antibiotics<\/strong> \u2013 disturb the gut and mouth microbes that help with NO pathways.<\/li>\n<li><strong>Long\u2011term acid blockers (PPIs)<\/strong> \u2013 They interfere with how nitrates are turned into NO in the stomach.<\/li>\n<li><strong>Regular use of NSAIDs<\/strong> and certain other meds \u2013 Some drugs can damage blood vessels or disrupt NO signaling.<\/li>\n<li><strong>Obesity, high blood pressure, high blood sugar<\/strong> \u2013 All stress your blood vessels and reduce NO.<\/li>\n<li><strong>Smoking and toxins<\/strong> \u2013 create oxidative stress that destroys NO.<\/li>\n<li><strong>Chronic stress and poor sleep<\/strong> \u2013\u00a0 raise stress hormones and inflammation that blunt NO production.<\/li>\n<li><strong>Genetic factors affecting methylation\/BH4<\/strong> \u2013 In some people, NO\u2011making enzymes simply are not working efficiently.<\/li>\n<\/ul>\n<p>You don\u2019t have to fix all of these at once. Start by circling the ones that apply most to you and BEGIN THERE!<\/p>\n<p><strong>Step 3: Eat in a way that builds NO and calms gut inflammation<\/strong><\/p>\n<p>A simple food pattern can help both your gut and your nitric oxide:<\/p>\n<ul>\n<li>Load your plate with nitrate\u2011rich vegetables to feed the \u201cnitrate\u2013nitrite\u2013NO\u201d pathway, supporting better blood flow, energy, and metabolic balance.<\/li>\n<li>Aim to eat more foods like beets, beet greens, spinach, arugula, bok choy, kale, celery, cabbage, and other leafy or cruciferous veggies.<\/li>\n<li>Protect the mouth\u2013gut NO pathway\n<ul>\n<li>Chew your food well and don\u2019t rely only on smoothies; this gives your oral bacteria a chance to work with food nitrates.<\/li>\n<li>Use strong antiseptic mouthwash only when clearly needed, not as a daily routine.<\/li>\n<li>If you\u2019re on long\u2011term acid blockers, ask your clinician whether they\u2019re still necessary and if lower doses or alternatives are possible.<\/li>\n<\/ul>\n<\/li>\n<li>Feed the \u201cgood\u201d bacteria in the gut to help grow beneficial microbes that support nitrate metabolism and reduce the inflammatory triggers that crank up iNOS.\n<ul>\n<li>Regularly include prebiotic\u2011rich foods: beans, lentils, onions, garlic, asparagus, oats.<\/li>\n<li>Add colorful, polyphenol\u2011rich foods: berries, dark and unsweetened cocoa, green tea, and a variety of vegetables.<\/li>\n<\/ul>\n<\/li>\n<li>Cut back on gut and metabolic \u201cfire starters\u201d promote gut leakiness, liver and fat tissue inflammation, and the kind of NO (iNOS) that damages rather than protects.\n<ul>\n<li>Minimize ultra\u2011processed snack foods, fast food, sugary drinks,<\/li>\n<li>Reduce intake of saturated fats.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Step 4: Use movement as a daily nitric oxide \u201cON switch\u201d for protective NO production<\/strong><\/p>\n<ul>\n<li>Aim for regular, moderate aerobic activity\n<ul>\n<li>Brisk walking, cycling, swimming, or similar movement most days of the week.<\/li>\n<li>Even shorter \u201cmovement snacks\u201d (5\u201310 minutes multiple times per day) help.<\/li>\n<\/ul>\n<\/li>\n<li>Add resistance training to help blood vessels make more of the right form of NO and improve blood glucose regulation\n<ul>\n<li>Light weights, resistance bands, or body\u2011weight exercises a few times per week strengthen muscles and improve insulin sensitivity.<\/li>\n<li>Every time you are moving around, you get your blood flowing, you\u2019re teaching your vessels to produce more protective NO.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Step 5: Clean up habits that damage NO and the gut \u2013 small changes have big impact<\/strong><\/p>\n<ul>\n<li>Keep alcohol intake to moderate amounts 1-2 times a week, not daily<\/li>\n<li>Avoid tobacco.\u00a0 Both excess alcohol and <strong><em>any tobacco use <\/em><\/strong>damage blood vessels, raise oxidative stress, and push NO in the wrong direction.<\/li>\n<li>Improve stress management and sleep duration\/quality\n<ul>\n<li>Chronic stress and poor sleep raise inflammatory and hormonal signals that suppress NO and harm the gut.<\/li>\n<li>Simple routines\u2014breathwork, mindfulness, light evening stretching, consistent bedtimes\u2014can calm this down.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>These steps not only help nitric oxide but also support your gut barrier, microbiome, and overall resilience.<\/p>\n<p><strong>Step 6: Consider targeted supplements<\/strong><\/p>\n<p>These are tools, not magic bullets, and should be used working with a clinician who knows your history and medications:<\/p>\n<ul>\n<li>For supporting protective NO\n<ul>\n<li>L\u2011arginine or L\u2011citrulline: amino acids that can help NO production.<\/li>\n<li>Nitrate\u2011rich concentrates (e.g., beet products): may boost NO, blood flow, and performance.<\/li>\n<\/ul>\n<\/li>\n<li>For calming inflammatory NO and nitrosative stress\n<ul>\n<li>Plant polyphenols (cocoa flavanols, resveratrol, green tea catechins): can support healthy NO, reduce oxidative stress, and reduce inflammatory signaling.<\/li>\n<li>Antioxidant nutrients (vitamin C and E): help protect NO from being destroyed and may modestly improve vessel function.<\/li>\n<li>Botanicals such as quercetin and berberine help reduce \u201coveractive\u201d inflammatory pathways that drive iNOS and nitrosative stress.<\/li>\n<li>Probiotic and prebiotic combinations: support a healthier microbiome and lower gut\u2011derived toxins, indirectly reducing iNOS activity and improving insulin sensitivity.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Optimizing Benefits of L-Arginine Supplementation:<\/strong><\/p>\n<ul>\n<li>I recommend our <a href=\"https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant=46472932786498\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant%3D46472932786498&amp;source=gmail&amp;ust=1783702783084000&amp;usg=AOvVaw3ktUNpM19ocDrxElHrZZ9k\">TruNitricOxide SR\u2122<\/a> which has a unique patented extended-release form of L-arginine to prolong bioavailability of L-arginine to make NO.<\/li>\n<li><a href=\"https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant=46472932786498\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant%3D46472932786498&amp;source=gmail&amp;ust=1783702783084000&amp;usg=AOvVaw3ktUNpM19ocDrxElHrZZ9k\">TruNitricOxide SR\u2122<\/a> also contains ACTINOS2\u00ae, a mixture of both high- and low-molecular weight fractions of proteins and peptides that activate NOS to boost nitric oxide production, enhance transcription of the NOS gene and support its role in reducing the negative feedback mechanism for NO production.<\/li>\n<li>Studies found ACTINOS2 increases NO production in human endothelial cells in vitro from 9.5 to 12.7 times compared to a control.<\/li>\n<\/ul>\n<p>I also selected our<a href=\"https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant=46472932786498\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant%3D46472932786498&amp;source=gmail&amp;ust=1783702783084000&amp;usg=AOvVaw3ktUNpM19ocDrxElHrZZ9k\"> TruNitricOxide SR\u2122 <\/a>product because it is manufactured in the United States using the highest purity (&gt;98.0%) of L-arginine alpha Ketoglutarate that is commercially available. This formulation is designed to deliver L-arginine alpha ketoglutarate in a controlled manner over a period of approximately 4-6 hours.<\/p>\n<p><a href=\"https:\/\/shoptruthforhealth.com\/products\/trunitricoxide-sr?variant=46472932786498\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-10820\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-layzr=\"https:\/\/www.truthforhealth.org\/wp-content\/uploads\/2026\/07\/2102967d-6f16-4fcb-b0e0-d107b443b589-683x1024.jpg\" alt=\"\" width=\"683\" height=\"1024\" \/><\/a><\/p>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td><strong>CAUTIONS:<\/strong><br \/>\nNO is dose dependent as with many medications, drugs or supplements. Too little (deficiency) can cause many unwanted health effects, and lead to chronic fatigue and chronic illness. But too much can cause unwanted side effects also.<\/p>\n<p><em>Some of the side effects of excessive NO include inflammation and oxidative stress, hypotension, headaches, bleeding risk, worsening of respiratory conditions like asthma, respiratory distress, lung damage and even death in rare cases of nitric oxide toxicity (but usually only in occupational settings).<\/em><\/p>\n<p><strong>Check with your physician before combining ANY Nitric oxide supplement when you take these RX medicines of have these medical conditions:\u00a0 <\/strong>Nitric oxide can interact with a variety of medications and enhance their effects, which could lead to unwanted results. In the cases listed below, focus first on lifestyle and dietary strategies.\u00a0 Make sure to discuss with your cardiologist before adding concentrated NO donors.<\/p>\n<ul>\n<li><strong>Blood pressure medications<\/strong>. Adding NO can lower blood pressure further, which means your doctor may need to lower your Rx dose to avoid dropping blood pressure too much.<\/li>\n<li><strong>Erectile Dysfunction drugs<\/strong> \u2013 Viagra, Cialis, Levitra<\/li>\n<li><strong>Anticoagulants and antiplatelet drugs<\/strong> -warfarin, heparin, aspirin, clopidogrel, \u201cSpike Detox\u201d OTC combination products<\/li>\n<li><strong>Alpha-blockers <\/strong>used to treat benign prostatic hyperplasia (BPH) and hypertension<\/li>\n<li><strong>Nitrates + PDE5 inhibitors<\/strong> (or other combination where vasodilation is risky)<\/li>\n<li><strong>Any Rx medicines that affect cytochrome P450 enzymes<\/strong><\/li>\n<\/ul>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <strong>If you have a History of these medical conditions:<\/strong><\/p>\n<ul>\n<li>Symptomatic hypotension or orthostatic intolerance<\/li>\n<li>Critical aortic stenosis or severe valvular disease<\/li>\n<li>Decompensated heart failure<\/li>\n<li>Active sepsis or severe systemic infection<\/li>\n<\/ul>\n<p><strong>CAUTION:<\/strong> As always, we urge you to avoid supplements without checking knowledgeable sources to evaluate your medical situation, proper lab tests to verify what is needed, and to make sure to avoid adverse interactions with prescription medicines and other supplements you take.\u00a0 Under medical practice regulations, we are unable to answer individual medical questions or make specific individual supplement recommendations for people who are not established patients of Dr. Vliet\u2019s independent medical practice (<a href=\"http:\/\/www.ViveLifeCenter.com\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=http:\/\/www.ViveLifeCenter.com&amp;source=gmail&amp;ust=1783702783084000&amp;usg=AOvVaw20VPQNiqEz5MB6n6MsmWHV\">www.ViveLifeCenter.com<\/a>).<\/p>\n<p>All Truth for Health Foundation Products Meet or Exceed cGMP Quality Standards, the highest quality standard for supplements sold in the USA. <strong><em>For more information, references from studies are listed in the Product Data Sheets for each product, available on our website.<\/em><\/strong><br \/>\n<strong>Check us out at <a href=\"http:\/\/www.TruthforHealth.org\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=http:\/\/www.TruthforHealth.org&amp;source=gmail&amp;ust=1783702783084000&amp;usg=AOvVaw1CACjEH-liBzS9j921QpN5\">www.TruthforHealth.org<\/a> Click on tab for Store.<br \/>\nOR <a href=\"http:\/\/www.shopTruthforHealth.com\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=http:\/\/www.shopTruthforHealth.com&amp;source=gmail&amp;ust=1783702783084000&amp;usg=AOvVaw2LUT4tyQMhm2hMG9NjFqbx\">www.shopTruthforHealth.com<\/a><\/strong><\/p>\n<p>As you put all the pieces together that I have described today, I encourage you to consider our other natural medicines with our top quality, cGMP-compliant professional formulas:<strong><em> TruMitochondrial\u2122 Boost,\u00a0 TruNAC\u2122, Tru BioD3, Tru B\u2122 Complex Full Spectrum, TruZinc\u2122, TruC with BioFlavonoids\u00a0 <\/em>(Natural sourced Vitamin<em> C with complete Bioflavonoids), and TruProBiotic\u2122 Daily <\/em><\/strong>to replenish critical bifidobacteria depleted by COVID shots, viral illnesses, and antibiotic therapy.<\/p>\n<p><strong>To Your good health and improving resilience!<\/strong><br \/>\n<strong>Elizabeth Lee Vliet, MD<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.truthforhealth.org\/es\/category\/health-tips\/\"><u><strong>C<\/strong><em><strong>lick here to read Dr. Vliet\u2019s Health Tips<br \/>\non these and more products.<\/strong><\/em><\/u><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Did you know nitric oxide (NO) plays a major role in maintaining gut health?\u00a0 Most doctors don\u2019t mention it.\u00a0 Most people never heard about nitric oxide beyond \u201cit helps lower &hellip; <\/p>","protected":false},"author":21,"featured_media":10819,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[222],"tags":[],"class_list":["post-10818","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health-tips","fadeIn","image-hover-transition-effect","latest_post"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dr. Vliet\u2019s Health Tip~ Silent Sabotage: How Modern Life Depletes Nitric Oxide &amp; Damages Your Gut\u201d - Truth for Health Foundation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.truthforhealth.org\/es\/2026\/07\/dr-vliets-health-tip-silent-sabotage-how-modern-life-depletes-nitric-oxide-damages-your-gut\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dr. Vliet\u2019s Health Tip~ Silent Sabotage: How Modern Life Depletes Nitric Oxide &amp; 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