LifeSource Vitamins
Rated 4.86 out of 5
7 Reviews

Melatonin 3 mg - 120 Capsules

Original Price: $12.99   Current Price: $12.99
  • Promotes restful, deeper sleep & regulates circadian rhythm*
  • Eases jet lag & reduces nighttime awakenings*
  • Provides antioxidant & immune support*
  • Supports brain health & neuroprotection*
  • May help prevent migraines & relieve tinnitus*
  • Promotes overall nervous system regeneration*
  • 3rd-party lab tested for purity & potency
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Product Details

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
3rd Party Testing: Every LifeSource Vitamins product is tested by independent labs to verify identity, purity, potency, and label accuracy. Click Here To View Our 3rd-Party Testing Process

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!*

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