Pineal Perspective
Pineal Gland and Melatonin
How the pineal gland and melatonin relate to the light-dark cycle and sleep timing.
This article focuses on established biology and the limits of current evidence.
What this page answers
Pineal Gland and Melatonin is part of Pineal Perspective's evidence-first knowledge graph. The goal is to answer the search intent without turning a plausible mechanism, association or marketing statement into a proven medical outcome.
How to read claims in this area
Distinguish established human biology from preliminary research, associations, traditional use and seller claims. For supplement decisions, verify the current label and consider individual health circumstances with a qualified clinician.
Continue through the topic
Pineal gland guide · calcification research · supplement buyer’s guide · Pineal 10X review.
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.