Nutrition Facts with Dr. Greger
Michael Greger, M.D. FACLM
Have you ever wondered if there’s a natural way to lower your high blood pressure, guard against Alzheimer’s, lose weight, and feel better? Well, as it turns out, there is. Michael Greger, M.D. FACLM, founder of NutritionFacts.org and New York Times best-selling author of How Not to Die, How Not to Diet, and the just-released How Not to Age, uncovers the best evidence-based nutrition that may add years to our life and life to our years.
Episodes
Mentioned books
May 7, 2026 • 14min
Everything You Wanted to Know About B12 (Part 1)
A deep dive into vitamin B12: causes and early signs of deficiency and how long stores might last. Tests and functional markers like MMA and homocysteine are explored, plus why single measurements can mislead. Discussion covers injections versus high-dose oral supplements, fortified foods, bacterial origins of B12, and why algae claims can be unreliable.
Apr 30, 2026 • 13min
Are Statins Worth It? (Part 2)
They discuss why people stop statins, focusing on reported muscle pain, fatigue, and real-world versus trial rates. They compare benefits for primary versus secondary prevention and weigh prevented events against harms. Diet trials that reverse heart disease and outperform drugs for mortality are highlighted. The podcast examines statin types, alternative drugs, mechanisms like LDL receptors and PCSK9, and the history of statins.
9 snips
Apr 23, 2026 • 13min
Are Statins Worth It? (Part 1)
A deep dive into whether cholesterol-lowering statin drugs should be used broadly. Discussions cover why lowering LDL matters and the trade offs of lifelong statin use. Listeners hear about risk thresholds, calculation tools to estimate benefit, and how lifestyle compares with medication. The conversation also touches on diabetes risk, differing trial results, and the importance of patient choice.
23 snips
Apr 16, 2026 • 11min
Losing Weight with Fiber-Rich Foods
Dr. Christine Dennis, a senior research scientist in nutrition, breaks down the science on fiber-rich foods and weight. She highlights population links between fiber and lower obesity, trials where short-chain fatty acids boost metabolism, and how beans, whole grains, and fiber supplements affect satiety and weight over time. Practical advice centers on aiming for higher fiber intake from whole plant foods.
14 snips
Apr 9, 2026 • 20min
Taking the Cold Plunge
A deep dive into cold-water immersion and why it became a recovery craze. Contrasts local ice therapy with whole-body plunges and reviews mixed evidence on soreness versus real performance gains. Examines placebo-controlled trials and questions if cooling after workouts can blunt muscle growth. Discusses ideal temperatures, timing, and when cold might help or harm different athletes.
Apr 2, 2026 • 53min
The Hazards of Ultra-Processed Foods
They unpack what makes ultra-processed foods different from minimally processed options. The conversation spotlights additives, processing byproducts like AGEs, and surprises about diet soda. Plant-based meat and milk alternatives are compared to animal products on safety, nutrient scores, sodium, and microbiome effects. Public health impacts of meat, antibiotics, contaminants, and cancer links are highlighted.
Mar 26, 2026 • 11min
The Health Benefits of Black and Green Teas
A dive into what makes Camellia sinensis special and why one plant yields both black and green teas. Exploration of theanine and how tea shifts brain waves toward relaxed alertness. Research on using green tea as a mouthwash for plaque and bad breath is discussed. Studies linking tea drinking to longer life and tea’s antiviral immune-boosting effects are highlighted.
Mar 19, 2026 • 11min
What’s Taurine and Why Do We Care? (Part 1)
A deep dive into taurine: what it is, how our bodies make it, and why it shows up in energy drinks. Discussion of its antioxidant and muscle roles and surprising links to aging. Animal studies suggesting lifespan and healthspan benefits are highlighted, along with limits of current human evidence.
Mar 12, 2026 • 15min
Deodorize from the Inside Out
Discussion of how what you eat can change body odor and the role of internal chlorophyll from plant foods. Explanations of how infection and inflammation alter scent. Findings that meat consumption can worsen underarm smell compared with plant-based diets. Examination of concerns around aluminum in antiperspirants, shaving, and potential links to breast tissue exposure.
Mar 5, 2026 • 22min
Q&A with Dr. Greger 16
Wide-ranging nutrition questions get concise, evidence-based answers. Topics include vitamin C on meat-only diets, matcha lead concerns, and storing nuts to prevent rancidity. Discussion covers protein needs, very low LDL safety, benefits of purple kale, carb quality, sweetener moderation, flu vaccination, and statin decision-making.
