Detox for athletes, explained: what your body already does, why cleanses hurt training, the anti-doping risks of detox supplements, and how to shop safely.

Sirtuins are called longevity proteins, but what do human studies show? A plain guide to NAD+, resveratrol, food, lifestyle and supplement labels.

Compare cordyceps studies by preparation, participants and measured outcome. Review energy claims, label details and questions for your clinician or pharmacist.

Separate cellular recycling from energy promises. Review human autophagy research, what blood-cell measurements mean, and questions about supplement claims.

Compare supplements for active adults by training goal, study population and full formula. Review caffeine totals, product documents and anti-doping questions.