Guides

The honest head-to-heads and roundups: which longevity options actually earn their place, and which are mostly hype.

Comparison
Berberine vs Metformin: Is Berberine Really "Nature's Ozempic"?

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

Comparison
Creatine for Longevity: Is It Actually Worth Taking?

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

Comparison
Intermittent Fasting vs Caloric Restriction: Which One Actually Wins?

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

Comparison
Is Collagen Worth It? What the Evidence Actually Shows

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

Comparison
Is Red Light Therapy Worth It? An Honest Look at the Evidence

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

Comparison
NMN vs NR: Which NAD+ Booster Is Actually Worth It?

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

Comparison
Rapamycin vs Metformin for Longevity: What the Evidence Actually Says

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

Comparison
Sauna vs Cold Plunge: Which Is More Worth Your Time?

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

Roundup
The Best Longevity Devices Worth the Money (and the Ones to Skip)

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

Roundup
The Best Longevity Supplements That Actually Work (Honestly Rated)

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