Epitalon
Synthetic tetrapeptide
reported a measurable change
Fewer than half
Ēnel Index +0.05 · 95% CrI [0.00, 0.18]
Ēnel Index +0.05, 95% credible interval 0.00 to 0.18
Epitalon is a synthetic tetrapeptide. People report using it for sleep, circadian rhythm, and longevity goals.
What is measured
The Ēnel Index reflects self-reported outcomes among people who already use Epitalon, read with a 95 percent credible interval.
What is established
Nothing yet. The interval still includes no effect, so the record reports a null result. This is not a negative verdict and not a clean bill. It means the evidence does not separate from chance at this point.
What is not established
Everything beyond the null read above. Absence here is a finding, not an endorsement or a dismissal. It is not medical advice. We never supply or prescribe.