The Science and Benefits of Nitric Oxide: The Swiss Army Knife Nutrient for Health, Part 2

Nitric Oxide: Supporting Vascular Health, Performance, and the Oral Microbiome with Dr. Nathan Bryan: Dr. Ronald Hoffman interviews nitric oxide researcher and entrepreneur Dr. Nathan Bryan about nitric oxide (NO) as a short-lived signaling gas that dilates blood vessels, reduces inflammation, mobilizes stem cells, supports mitochondria, and is linked to longevity. Bryan explains two NO production pathways: nitric oxide synthase from L-arginine and an entero-salivary nitrate pathway requiring dietary nitrate, specific oral bacteria, and stomach acid; he says sugar-heavy diets, fluoride toothpaste, antiseptic mouthwash, and proton pump inhibitors inhibit NO. Symptoms of deficiency include erectile dysfunction, rising blood pressure, metabolic disease/diabetes, exercise intolerance, and dementia/Alzheimer’s. They discuss limitations of many beet products, Bryan’s N-101 lozenges and NOBeats powder that generate NO, topical NO for wound healing and skincare, a fluoride-free prebiotic toothpaste, an upcoming mouth rinse, potential benefits for resistant hypertension, insulin resistance, cognition, and eye conditions like glaucoma, and access/discount details via hoffmannno.com.

Dr. Hoffman continues his conversation with nitric oxide researcher and entrepreneur Dr. Nathan Bryan.

Ever more powerful weight loss drugs are on the launchpad as FDA issues warnings about bootleg versions—and potential hazards of drastic weight loss to seniors and those with eating disorders; Botched Tennessee execution—how can that happen? Immune support for respiratory syncytial virus (RSV) in a lung cancer survivor; Should beta-glucans be taken with—or away from—food for optimal absorption? Boosting bone density with an exercise program targeted for osteopenia/fall prevention.

Do you have to worry about too much vitamin A from supplements? Urolithin A scores against a common form of heart failure; Most blood tests don’t require fasting; The health scourge of E-bikes; Slashing sugar before antibiotics reduces harms to microbiome; Study shows inadequate REM sleep associated with 83 diseases—but doubts persist over accuracy of sleep wearables.

Time-Restricted Eating Study: Nutritionist Leyla Muedin details a Johns Hopkins Medicine study (published July 27 in Obesity) on time-restricted eating (TRE), a form of intermittent fasting that limits eating to a consistent 8–10 hour daily window, in adults with obesity and prediabetes or diet-controlled type 2 diabetes. In a 12-week trial of mostly female and Black participants, groups followed either a 10-hour TRE schedule or a usual 16-hour eating pattern, while all received a provided, personalized-calorie DASH diet intended to maintain starting weight. Both groups experienced similar modest weight loss and reported improved eating behaviors (more restraint, less stress eating, less hunger), with no differences in appetite hormones (ghrelin, leptin) or inflammation markers (CRP, cortisol). Leyla argues a higher-carb DASH diet may have limited measurable benefits and suggests repeating the study with a true low-carbohydrate diet; she also explains how fasting periods can lower insulin, support fat burning, and improve sleep by avoiding late meals.

The benefits of kimchi for detoxing microplasticsWhat do you recommend my husband take to recover from Bell's Palsy?  Follow-up on coronary artery inflammation question

The benefits of PilatesWhat does it mean that certain brands of nattokinase are "free of K2"?Should I avoid soy products due to my history of breast cancer?How can I choose the best fish oil?  Is there a certain dose you recommend?Is there any other supplement I can take besides 5-HTP for mood?  What about SAMe?Is there any relief for my friend with ulcerative colitis?

Fish Oil, Full-Spectrum Omega-3s, and Immunometabolism with Dr. Jeffrey Bland: Dr. Ronald Hoffman interviews Dr. Jeffrey Bland, founder of the Personalized Lifestyle Medicine Institute and Big Bold Health, about fish oil and omega-3 science. Bland recounts becoming involved with commercial fish oil in 1980 while promoting MaxEPA amid the “fat is bad” era and discusses Greenland Inuit research showing high omega-3 blood levels and low heart disease. They contrast whole-food omega-3 intake with highly refined EPA/DHA products, highlighting additional constituents in minimally processed oils (vitamins A and D, astaxanthin) and precursor compounds related to specialized pro-resolving mediators. Bland describes Omega-3 Rejuvenate’s Alaska line-caught sourcing and low-heat, chemical-free processing, and addresses concerns about mercury, microplastics, and vitamin A dosing. The conversation also covers PLMI’s focus on immunometabolism, a CBC-derived SIRI marker, omega-3 insufficiency data from Fullscript, mitochondrial membrane support by DHA, and Bland’s upcoming book, “The Nourished Gene.”

Dr. Hoffman continues his conversation with Dr. Jeffrey Bland, founder of the Personalized Lifestyle Medicine Institute and Big Bold Health, about fish oil and omega-3 science.

Cholesterol Beyond the Basics: ApoB, Lp(a), Stress, and Aged Garlic Extract for Cardiovascular Risk: Dr. Ronald Hoffman interviews clinical pharmacist and nutritionist Jim LaValle about cardiovascular risk factors beyond total cholesterol, emphasizing that blood tests measure lipoprotein particles and subfractions rather than cholesterol itself. They discuss limitations of relying on surrogate markers, the role of lifestyle (diet, exercise, sleep, stress, glucose control), and advanced markers such as ApoB, Lp(a), oxidized LDL, and Lp-PLA2, noting that lowering Lp(a) or improving markers doesn’t always improve outcomes. LaValle highlights ApoB as a key risk barometer, reviews evidence for aged garlic extract lowering ApoB, slowing coronary artery calcification, regressing vulnerable plaque, and improving vascular function, and supports combining supplements with appropriate medications. They address lean-mass hyper-responders on ketogenic diets, debate broad statin use in seniors, and cover stress/cortisol dysregulation, hormone effects, and appropriate use of GLP-1 drugs for weight and metabolic risk.