Related Episodes for Supplements that lengthen telomeres | Elissa Epel

“For example, while vitamin C acts primarily as an antioxidant at physiological concentrations of approximately 50 micromoles per liter, pharmacologic doses of intravenous vitamin C greater than 1 gram generate hydrogen peroxide, a type of reactive oxygen species produced by neutrophils to destroy pathogens such as viruses.”

“The most compelling human signal appears when the brain is under acute strain. In a randomized crossover study, a single dose of 0.35 grams per kilogram during 21 hours of sleep deprivation changed cerebral energy metabolites and preserved selected measures of cognitive performance.”

“A recent meta-analysis also found small benefits in selected cognitive domains, including memory and processing speed, with responses that may depend on age, diet, baseline stores, stress, dose, and the cognitive test used.”

“A separate six-week randomized study in 30 healthy young adults found that neither 10 nor 20 grams per day improved the tested cognitive outcomes compared with placebo. The result is an important counterweight to the acute sleep-deprivation experiment.”

“Healthy, well-nourished adults can usually synthesize enough, and athlete trials have not found consistent improvements in immune measures, aerobic performance, body composition, or intestinal permeability from routine supplementation.”

“A critical element in healthiness is the timing and content of our meals. Time-restricted eating, a form of daily fasting wherein the time of the day during which a person eats is limited, capitalizes on the body's natural circadian metabolic rhythms to promote health.”

“Tools, companies, and resources mentioned OpenAI - AI research and deployment company behind widely used GPT systems and developer tools; its science case study describes GPT-5 helping Unutmaz's lab resolve a long-standing immunology question.”

“Dr. Rhonda Patrick discusses the differences between different forms of DHA in terms of bioavailability and transport into different cells. She talks about why a specific type of DHA (DHA in phosphatidylcholine) is more readily transported into the brain because it forms DHA-lysophsophatidylcholine.”

“Dr. Patrick explains that she uses zinc lozenges only during exposure or the earliest signs of illness, often totaling roughly 80 to 100 milligrams per day for a short period. Small randomized zinc-acetate lozenge trials have produced mixed results, with one reporting a shorter cold and another finding no faster recovery with more adverse effects.”

“Lunch varied among sardines, mackerel, wild salmon, avocado, nuts, fruit, cheese, and quinoa salad, giving her flexible sources of protein, marine fats, fiber, and fermented foods. Dinner typically paired fish, chicken, or occasional beef with vegetables or salad.”