Longevity and health claims, checked against the actual studies
Peer-reviewed studies, unbiased analysis
Living better, backed by the research.
We turn the peer-reviewed science of longevity, performance, and everyday health into something you can actually use, and we link every claim to the study behind it, so you can check the numbers yourself.
Every study verified on PubMed
Plain English, not clinical
Independent, no industry ties
Latest articles
-
NMN vs NR: What the First Head-to-Head Trial Found
NMN vs NR, finally tested head to head: in 65 healthy adults both roughly doubled blood NAD+, with no winner. Here is what that does and does not…
-
PT-141 vs Melanotan 2: What the Evidence Shows
PT-141 vs Melanotan 2: one was tested in 1,250 women and carries a safety label. The other has case reports of melanoma and vials that never hold 10…
-
Thymosin Alpha-1 and TB-500: What the Evidence Shows
Thymosin alpha-1 is a prescription drug in 35+ countries, and its biggest trial came back flat. TB-500 has no published human trial. Here is the real gap.
-
Sleep Tracker Accuracy: Trust the Trend, Not the Night
Sleep tracker accuracy splits in two: rings nearly match a medical ECG on heart rate, but no device is close on sleep stages. Here is what to trust…
-
Does Gratitude Rewire Your Brain? What Scans Show
Does gratitude rewire your brain? Only one study has scanned gratitude writers, and it found a shift in activity, not new wiring. Here is the evidence.
-
GLP-1 Muscle Loss: How Much, and How to Limit It
GLP-1 muscle loss runs from about a quarter to 40% of the weight you drop. See what the trials really show, and how protein and lifting keep muscle…
-
Erythritol Stroke Risk: What the Science Actually Shows
The erythritol stroke risk headlines came from cells in a dish, not people. Here is what the 2025 study found, what it cannot show, and what to check.
-
The Mouth Taping Sleep Trend: Thin Data, Real Risk
Mouth taping sleep claims rest on 10 poor-quality studies covering 213 patients. What the evidence really shows, who it helped, and when taping is dangerous.
-
Exercise Timing: Morning vs Evening for Your Health
Exercise timing tilts which benefit you get, not whether you get one. What the trials say about morning versus evening workouts, and what matters more.
-
Saffron for Depression: Does It Match an SSRI?
Eight trials pitted saffron for depression against an SSRI and found no gap in mood scores, with fewer side effects. Why that is still not proof of a…
