Honest head-to-heads & roundups

Berberine went viral as a natural metformin. An honest comparison of the evidence, the effects, and whether the hype holds.

Is it when you eat or how much you eat that matters? An honest comparison of intermittent fasting and caloric restriction.

NMN and NR both raise NAD+, but which is the smarter buy? An honest, evidence-first comparison with the real bottom line.

Two of the most-hyped longevity drugs, compared honestly: mechanisms, the real human evidence, risks, and the bottom line.

Heat or cold? An honest head-to-head on the evidence, the claimed benefits, and which actually earns a spot in your routine.

Creatine is cheap, proven for muscle, and increasingly pitched for brain and aging. An honest take on what the evidence actually says.

Collagen is a billion-dollar supplement. Does it do anything? The honest evidence on skin, joints, and the claims.

Red light therapy is everywhere. Does it work? The honest evidence on skin, recovery, and the bold longevity claims.

From saunas to red light to wearables, which longevity gadgets earn their price? An honest, Evidence-Meter-rated roundup.

Most longevity supplements are hype. Here are the few with real human evidence, honestly rated on the Evidence Meter.