Pineal Perspective

Pineal Gland: Function, Melatonin & Common Questions

A practical guide to the pineal gland, melatonin, circadian timing and common claims.

This guide is designed as a hub: start here, then follow the linked evidence and product-research paths.

What the pineal gland is known for

The pineal gland is a small neuroendocrine organ best known for secreting melatonin in relation to the light-dark cycle. Melatonin is part of circadian timing; that established biology should not be confused with broader claims about “third-eye activation.”

Explore the evidence graph

Function · melatonin · sleep · calcification · third eye claims.

Sources & editorial standard

Belay DG, Worku MG. Prevalence of pineal gland calcification: systematic review and meta-analysis. Systematic Reviews (2023).
Authoritative health and primary research sources are preferred for biological claims; seller pages are treated as sources for seller claims only.

Educational information only; not medical advice.