I. Abstract

Endogenous circadian hormone and supplement/drug boundary case used to test regulatory variation and sleep-specific identity.

II. Activity Profile

Effects

documented physiological and clinical outcomes, ranked by evidence strength and magnitude

Sleep Onset SupportSIMPLE COMPOUNDS

Sleep Onset Support is indexed as a partial Melatonin effect from the compound directory seed.

Evidence: Not Assessed·Magnitude: Not Assessed
Circadian Phase ShiftSIMPLE COMPOUNDS

Circadian Phase Shift is indexed as a partial Melatonin effect from the compound directory seed.

Evidence: Not Assessed·Magnitude: Not Assessed

III. Dose Evidence

Target Range
0.3mg - 3mg
Frequency
As needed
Timing
30-90 min before bed
Clinical Notes

Dose and timing are more important than total daily exposure for circadian use.

Dietary Sources
Trace dietary sources
/
Endogenous synthesis

Melatonin is synthesized endogenously from serotonin in circadian pineal signaling pathways, while supplemental melatonin introduces exogenous exposure.

VI. Key Studies

Curated source records that explain the evidence landscape for this compound, including endpoint evidence, mechanism anchors, dose context, safety context, and limiting evidence.

Melatonin | Glass Label