Often associated with bodybuilders and gym culture, creatine is actually a natural compound your body already produces and uses every day. Supplementation can support strength, recovery, muscle growth, brain health, and the preservation of mobility and independence as we age. Few nutritional supplements have been studied as extensively or demonstrated such a strong combination of effectiveness, safety, and affordability.

Coffee is far more than a comforting ritual — research suggests it may support energy, metabolism, brain function, heart health, mood, and overall wellness when enjoyed in moderation. Studies also highlight the importance of timing and hydration, as caffeine can affect sleep for hours after consumption. Experts recommend limiting intake to 300–400 mg daily and avoiding caffeine late in the day, especially for sensitive individuals.

Originally published in 2019, this presentation remains one of the clearest explanations of metabolism, insulin, and fat burning. Metabolic scientist Dr. Benjamin Bikman explains how the body uses sugar and fat for fuel, the causes of insulin resistance, the importance of metabolic flexibility, and the role of ketones in health and energy. You'll also learn practical concepts related to fasting, nutrition, and improving long-term metabolic health.