LifeSource Vitamins Magnesium Glycinate — 400 mg — Vegan Capsules — Supports Sleep, Relaxation & Cardiovascular Health
LifeSource Vitamins Magnesium Glycinate 400 mg features a highly absorbable form of magnesium, Glycinate, designed to support overall wellness. This supplement provides essential support for sleep quality, relaxation, stress balance, and cardiovascular health, leveraging magnesium's role in muscle and nerve function. Produced in FDA-registered, GMP-certified facilities, it is Non-GMO, gluten-free, and free of artificial colors, preservatives, or synthetic chemicals.*
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
✓ Supports sleep quality — Oral magnesium supplementation improved sleep quality in older adults with insomnia (RCT).
NIH/PubMed — Mah, 2021
✓ Promotes relaxation — Reduced subjective anxiety in at-risk groups with magnesium supplementation (review/RCT).
NIH/PubMed — Boyle, 2017
✓ Supports cardiovascular health — Meta-analysis shows reductions in systolic and diastolic blood pressure with magnesium supplementation (meta-analysis of RCTs).
NIH/PubMed — Zhang, 2016
✓ Supports blood pressure management already within normal range — Dose-dependent reductions in blood pressure in hypertensive adults with magnesium (meta-analysis of RCTs).
NIH/PubMed — Zhang, 2012
✓ Supports glucose metabolism — Improved fasting glucose and insulin sensitivity in at-risk individuals with magnesium (meta-analysis).
NIH/PubMed — Veronese, 2021
✓ Supports bone health — Positive association with hip BMD in older adults with magnesium intake (observational/review).
NIH/PubMed — Groenendijk, 2022
✓ Supports mood balance — Significant decline in depression scores in adults with depressive disorder with magnesium (meta-analysis).
NIH/PubMed — Dibaba, 2023
✓ Supports inflammation reduction — Decreased serum C-reactive protein levels in adults with magnesium (meta-analysis).
NIH/PubMed — Dibaba, 2022
✓ Supports metabolic health — Inverse association with risk of metabolic syndrome with higher magnesium intake (review/meta-analysis).
NIH/PubMed — Kim, 2025
✓ Supports oxidative stress reduction — Beneficial effects on biomarkers of oxidative stress and inflammation with magnesium (meta-analysis).
NIH/PubMed — Cepeda, 2025
✓ Supports sleep efficiency — Supplementation increased sleep time and efficiency in elderly with primary insomnia (RCT).
NIH/PubMed — Abbasi, 2012
✓ Supports migraine prevention — Reduced intensity and frequency of migraines with magnesium supplementation (meta-analysis).
NIH/PubMed — Veronese, 2019
Additional / Promising Evidence
✓ May support stress balance — Improved anxiety/depression scores in stressed adults with magnesium (review/RCT).
NIH/PubMed — Noah, 2021
✓ May enhance muscle function — Aids contraction and relaxation in preliminary studies (review).
NIH/PubMed — Tarsitano, 2024
✓ May support PMS symptoms — Relief of premenstrual mood changes with magnesium (RCT).
NIH/PubMed — Facchinetti, 1991
✓ May improve digestive regularity — Improved bowel movement frequency and transit time with magnesium (review).
NIH/PubMed — Mori, 2019
✓ May support exercise recovery — Reduced muscle soreness and improved performance after supplementation (review/RCT).
NIH/PubMed — Reno, 2022
✓ May support energy metabolism — Role in ATP pathways from mechanistic and human studies.
NIH/PubMed — Fatima, 2024
✓ May support athletic performance — Repletion supports electrolyte balance and function in athletes (review).
NIH/PubMed — Nielsen, 2006
✓ May support hormone balance — Improved sleep efficiency and hormone balance with magnesium (RCT).
NIH/PubMed — Carlos, 2024
University-Led & Academic Studies
✓ Harvard Medical School — Research on magnesium’s role in sleep, relaxation, and cardiovascular health.
NIH/PubMed — Various, Ongoing
✓ Oregon State University – Linus Pauling Institute — Studies on magnesium’s metabolic and bone health benefits.
NIH/ODS — Linus Pauling Institute, Various
✓ Stanford University — Insights on magnesium supplementation for blood pressure management.
NIH/PubMed — Various, Ongoing
✓ Johns Hopkins University — Reviews on magnesium’s anti-inflammatory effects.
NIH/PubMed — Various, Ongoing
Global Evidence & Reviews
✓ NIH Office of Dietary Supplements — Magnesium fact sheet summarizing evidence for sleep, relaxation, cardiovascular, and metabolic support.
NIH/ODS — Magnesium Health Professional Fact Sheet
✓ World Health Organization (WHO) — Recognizes magnesium’s role in cardiovascular health and metabolic function.
WHO — Nutrition Guidelines (Magnesium context)
✓ National Center for Complementary and Integrative Health (NCCIH) — Reviews on magnesium for stress, sleep, and muscle support.
NCCIH — Magnesium Overview
✓ Linus Pauling Institute — Comprehensive micronutrient information on magnesium bioavailability and wellness.
LPI — Magnesium
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
- Magnesium Glycinate (400 mg elemental magnesium) — Highly absorbable form supporting sleep quality, relaxation, and cardiovascular health.
NIH/PubMed — Arab, 2023
Brief Benefit Bullets
- Supports sleep quality*
- Promotes relaxation*
- Supports cardiovascular health*
- Supports blood pressure management already within normal range*
- Supports glucose metabolism*
- Supports bone health*
Suggested Use
Take 3 vegan capsules daily with food, or as directed by your healthcare professional. Those with kidney or heart disease should consult a physician before use. Not studied in children except for ADHD focus support; consult physician.*
Product Specifications
- Serving Size: 3 Capsules (400 mg elemental magnesium) | Servings Per Container: 40
- Form: Vegan Capsules
- Free From: Non-GMO, gluten-free, no artificial colors, preservatives, or synthetic chemicals*
- 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.
Magnesium Glycinate 400 mg — Vegan capsules for sleep, relaxation, cardiovascular & metabolic health with highly absorbable form. Clinically Studied — NIH/PubMed!*
