Every reel says creatine is for muscle, bone, and brain. The evidence does not split evenly across those three. Dr. Shad Abdulla, ND, breaks down which claim has Tier 1 support, which one rests on a single small trial, and which one the largest two-year study could not confirm, plus the dose and safety notes that actually matter.

16:8 has become the default intermittent fasting protocol, but the evidence on whether it actually moves the needle on autophagy, metabolic flexibility, and longevity is thinner than the hype. Fasting isn't about doing less. It's about doing what matters. Here's why 16:8 may be too short for the outcomes you want, and what the research suggests about fasting windows, protein timing, and chrononutrition.