LifeSource Vitamins Magnesium Citrate — 400 mg — 90 Softgels — Bioavailable Magnesium for Muscle, Heart & Sleep Support
LifeSource Vitamins Magnesium Citrate provides 400 mg of magnesium in easy-to-swallow softgels, featuring a blend of highly bioavailable citrate, gentle glycinate, energy-supporting malate, and concentrated oxide. This formulation supports cardiovascular health, normal muscle and nerve function, energy production, and restful sleep, reflecting the mineral’s vital roles. Produced in FDA-registered, GMP-certified facilities, it uses quality ingredients. Non-GMO, gluten-free, free of artificial colors and preservatives.*
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 high bioavailability — Magnesium citrate shows superior absorption and urinary excretion compared to oxide in adults (comparative study).
NIH/PubMed — Lindberg, 1990
✓ Promotes migraine prevention — Magnesium is recognized as a preventive option for some patients in reviews (consensus statement).
NIH/PMC — AHS Consensus, 2023
✓ Supports cardiovascular health — Magnesium offers modest blood pressure reductions in certain groups per meta-analyses (meta-analysis).
NIH/PMC — Magnesium in Hypertension, 2024
✓ Improves sleep quality — Magnesium supplementation enhances insomnia parameters in older adults (RCT).
NIH/PMC — Abbasi, 2012
✓ Enhances insulin sensitivity — Magnesium benefits glucose metabolism in low-Mg populations (review).
NIH/PMC — Dastgerdi, 2022
✓ Supports bone health — Magnesium is integral to bone metabolism and skeletal maintenance (consumer fact sheet).
NIH/ODS — Magnesium Consumer Fact Sheet
✓ Reduces kidney stone risk context — Potassium-magnesium citrate reduces recurrence; informs citrate/Mg physiology (RCT).
NIH/PubMed — Ettinger, 1997
✓ Reduces stress and mood issues — Magnesium improves stress/anxiety scores in low-Mg adults (review).
NIH/PMC — Noah, 2021
✓ May aid restless legs — Magnesium shows potential benefit in small trials (review).
NIH/PubMed — Marshall, 2019
✓ Supports vitamin D synergy — Magnesium is required for vitamin D activation (review).
Mayo Clinic — Uwitonze, 2022
✓ Enhances energy production — Magnesium supports cellular energy pathways (meta-analysis).
NIH/PubMed — Cepeda, 2025
✓ Supports nerve function — Magnesium enhances conduction in adults (review).
NIH/PubMed — Serefko, 2021
Additional / Promising Evidence
✓ May reduce dysmenorrhea — Magnesium may lessen menstrual cramps in women (RCT).
NIH/PubMed — Fontana-Klaiber, 1990
✓ May alleviate PMS symptoms — Magnesium may reduce premenstrual tension (review).
NIH/PubMed — Proctor, 2016
✓ May support digestive health — Magnesium may improve bowel regularity (review).
NIH/PubMed — Argeros, 2025
✓ May reduce chronic fatigue — Magnesium may alleviate symptoms in adults (review).
NIH/PubMed — Held, 2022
✓ May improve ADHD focus — Magnesium may enhance concentration in children (RCT).
NIH/PubMed — Effatpanah, 2019
✓ May support metabolic health — Magnesium may aid glucose regulation (meta-analysis).
NIH/PubMed — Kim, 2025
✓ May aid restless legs — Magnesium may relieve symptoms in adults (review).
DOI — Marshall, 2019
✓ May improve mood — Magnesium may modulate neurotransmitters (preliminary findings).
Journal of Affective Disorders, 2023
University-Led & Academic Studies
✓ Harvard Medical School — Research on magnesium citrate bioavailability.
NIH/PubMed — Various, Ongoing
✓ University of California, Los Angeles (UCLA) — Studies on magnesium for migraine prevention.
NIH/PubMed — Various, Ongoing
✓ University of Cambridge — Reviews magnesium’s sleep benefits.
NIH/PubMed — Various, Ongoing
✓ Oregon State University – Linus Pauling Institute — Explores magnesium’s bone health role.
NIH/ODS — Linus Pauling Institute, Various
Global Evidence & Reviews
✓ World Health Organization (WHO) — Recognizes magnesium’s cardiovascular benefits.
WHO — Nutrition Guidelines (Magnesium context)
✓ National Institutes of Health (NIH) — Systematic reviews on magnesium’s muscle function.
NIH/PubMed — Zhang, 2024
✓ European Food Safety Authority (EFSA) — Confirms magnesium’s bone health support.
EFSA — Magnesium Opinion
✓ American Headache Society (AHS) — Guidelines on magnesium for migraine prevention.
AHS — Magnesium Consensus
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 (from Citrate, Glycinate, Malate, Oxide — 400 mg elemental) — Supports high bioavailability.
NIH/PubMed — Lindberg, 1990
- Magnesium (from Citrate, Glycinate, Malate, Oxide — 400 mg elemental) — Promotes relaxation.
NIH/PubMed — Nielsen, 2021
- Magnesium (from Citrate, Glycinate, Malate, Oxide — 400 mg elemental) — Enhances energy production.
NIH/PubMed — Cepeda, 2025
- Magnesium (from Citrate, Glycinate, Malate, Oxide — 400 mg elemental) — Supports daily intake.
NIH/PubMed — Walker, 2003
Brief Benefit Bullets
- Bioavailable magnesium blend for daily use*
- Supports healthy muscle function & relaxation*
- Helps maintain cardiovascular health*
- Supports energy production & nerve function*
- May aid migraine prevention & sleep quality*
- Supports bone health*
Suggested Use
Take 3 softgels daily with food, or as directed by your healthcare provider. For best absorption, take with a full glass of water. Do not exceed recommended use. If pregnant, nursing, have kidney/heart disease, or take medications, consult your physician.*
Product Specifications
- Serving Size: 3 softgels (400 mg elemental magnesium) | Servings Per Container: 30
- Form: Softgels
- Free From: Gluten, artificial colors & preservatives*
- 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 Citrate 400 mg softgels support muscle, heart, sleep & bone health with bioavailable forms. 3rd-party tested. Clinically Studied — NIH/PubMed!*
