Compound Library

Supplement / Sleep

Melatonin (Sublingual 0.3 mg)

Physiological dose melatonin via sublingual delivery for faster onset. 0.3 mg is the true physiological dose — 10x lower than most OTC products. Faster onset than standard tablets.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose0.3–1 mg sublingual 30 minutes before sleep
Half-life0.75 hours
Risk flaglow
Regulatory noteReview required

Side effects and watch-outs

  • Drowsiness (intended)
  • Vivid dreams
  • Morning grogginess at high doses (>3 mg)
  • Hormonal effects at chronic high doses
  • Generally excellent tolerability at physiological doses