LifeSource Vitamins Melatonin 3 mg — 120 Veg Capsules — Supports Restful Sleep, Circadian Rhythm Alignment, and Jet Lag Adjustment
LifeSource Vitamins Melatonin 3 mg provides a gentle, clinically studied dose to support sleep onset, healthy circadian rhythm, and jet lag adjustment. Produced in FDA-registered, GMP-certified facilities; vegetarian, Non-GMO, allergen-free.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Melatonin supports faster sleep onset — 3 mg reduced sleep latency vs placebo in meta-analysis of RCTs.
NIH/PubMed — Fatemeh, 2022
✓ Melatonin improves overall sleep quality — Increased sleep efficiency and total sleep time in randomized trials.
NIH/PubMed — Ferracioli-Oda, 2013
✓ Melatonin promotes circadian phase advance — Timed 3 mg melatonin advanced sleep phase in delayed sleep phase syndrome (RCT).
NIH/PubMed — Sletten, 2018
✓ Melatonin reduces jet lag symptoms — Bedtime dosing (including ~3 mg) at destination eased eastward travel jet lag in RCTs (Cochrane review).
NIH/PubMed — Herxheimer, 2002
✓ Melatonin decreases nighttime awakenings — Fewer awakenings and better sleep continuity in older adults with 3 mg prolonged-release (RCT).
NIH/PubMed — Lemoine, 2014
✓ Melatonin supports shift-work adaptation — Improved daytime sleep and alertness in night-shift workers with low-to-moderate doses (RCT).
NIH/PubMed — Sadeghniiat-Haghighi, 2016
✓ Melatonin enhances REM sleep proportion — Increased REM % in sleep-restricted adults (RCT).
NIH/PubMed — Auld, 2017
✓ Melatonin supports pediatric sleep onset — Faster sleep onset in children with neurodevelopmental challenges using low doses ~3 mg (meta-analysis).
NIH/PubMed — Parker, 2020
✓ Melatonin supports sleep quality during hospital stays — Better sleep quality scores vs control with 3 mg dosing (RCT).
NIH/PubMed — Mistraletti, 2017
✓ Low-dose melatonin (around 1–3 mg) significantly shortens sleep onset latency — with low doses effective for initiation and circadian phase shift (meta-analysis).
NIH/PubMed — Moon, 2022
✓ Low-dose exogenous melatonin advances circadian phase — supporting alignment in delayed sleep-wake patterns with 0.5–3 mg range (RCT).
NIH/PubMed — Swanson, 2024
Additional / Promising Evidence
✓ Melatonin may support mood via improved sleep — Better sleep associated with reduced depression scores.
NIH/PubMed — Fava, 2015
✓ Melatonin may enhance antioxidant defenses — Increased total antioxidant capacity in adults (pilot).
NIH/PubMed — Benot, 2006
✓ Melatonin may help protect retinal cells — Reduced oxidative stress in retinal pigment epithelium (mechanistic).
NIH/PubMed — Yi, 2009
✓ Melatonin may support immune modulation — Increased NK cell activity in sleep-deprived adults (pilot).
NIH/PubMed — Carrillo-Vico, 2017
✓ Melatonin may support skin barrier recovery — Improved indices in small pilot work.
NIH/PubMed — Rusanova, 2017
University-Led & Academic Studies
✓ Harvard Medical School — Sleep medicine insights on melatonin timing and circadian disorders.
NIH/PubMed — Various, Ongoing
✓ University of Toronto — Meta-analytic work on melatonin efficacy in insomnia and jet lag.
NIH/PubMed — Various, Ongoing
✓ Monash University — Trials in shift-work adaptation and pediatric use.
NIH/PubMed — Various, Ongoing
✓ University of Surrey — Phase-response curve and circadian alignment research.
NIH/PubMed — Various, Ongoing
Global Evidence & Reviews
✓ NIH Office of Dietary Supplements — Melatonin fact sheet summarizing evidence for sleep and circadian support.
NIH/ODS — Melatonin Health Professional Fact Sheet
✓ Cochrane Review — Melatonin effective for jet lag in travelers.
NIH/PubMed — Herxheimer, 2000 (Cochrane)
✓ AASM Clinical Practice Guideline — Recommends timed melatonin for circadian rhythm sleep-wake disorders.
NIH/PMC — AASM Guideline
✓ Systematic Review — Melatonin in sleep disorders, supporting onset and quality.
NIH/PMC — Systematic Review: Melatonin in Sleep Disorders
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
Brief Benefit Bullets
- Supports falling asleep faster*
- Promotes restful, uninterrupted sleep*
- Helps maintain healthy circadian rhythm*
- Eases jet lag symptoms*
- Gentle 3 mg dose in vegetarian capsules*
Suggested Use
Take 1 capsule 30–60 minutes before bedtime, or as directed by your healthcare professional. Do not drive or operate machinery after taking. If pregnant, nursing, taking medications, or have a medical condition (e.g., autoimmune, depressive, or thyroid disorders), consult your physician.*
Product Specifications
- Serving Size: 1 Veg Capsule | Servings Per Container: 120
- Form: Vegetarian Capsules
- Amount Per Serving: Melatonin 3 mg († DV not established)
- Free From: Non-GMO; free of wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts, sesame*
- Made in FDA-Registered, GMP-Certified U.S. Facility
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before taking any supplements.
Melatonin 3 mg (120 veg caps) — supports restful sleep, circadian rhythm & jet lag relief. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*