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 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 guidance aligned with credible science.*

Clinically Studied Benefits (Human Evidence)

Additional / Promising Evidence*

May reduce dysmenorrhea — Magnesium may lessen menstrual cramps in women. (NIH/PubMed — Fontana-Klaiber H, 1990) Foundational Study
May alleviate PMS symptoms — Magnesium may reduce premenstrual tension. (NIH/PubMed — Proctor ML, 2016)
May support digestive health — Magnesium may improve bowel regularity. (NIH/PubMed — Argeros Z, 2025)
May reduce chronic fatigue — Magnesium may alleviate symptoms in adults. (NIH/PubMed — Held A, 2022)
May improve ADHD focus — Magnesium may enhance concentration in children. (NIH/PubMed — Effatpanah M, 2019)
May support metabolic health — Magnesium may aid glucose regulation. (NIH/PubMed — Kim Y, 2025)
May aid restless legs — Magnesium may relieve symptoms in adults. (DOI — Marshall NS, 2019)
May improve mood — Magnesium may modulate neurotransmitters. Preliminary findings from Journal of Affective Disorders, 2023.

University / Academic Context

Harvard Medical School — Research on magnesium citrate bioavailability.
University of California, Los Angeles (UCLA) — Studies on magnesium for migraine prevention.
University of Cambridge — Reviews magnesium’s sleep benefits.
Oregon State University – Linus Pauling Institute — Explores magnesium’s bone health role.

Global Evidence & Authoritative Reviews

We monitor research from leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, the University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, and Ohio State — to keep our guidance aligned with credible science.*

Shop All LifeSource Vitamins Minerals

Key Ingredients

Supports high bioavailability — Magnesium Citrate shows superior absorption. (NIH/PubMed — Lindberg JS, 1990)

Promotes relaxation — Magnesium Glycinate supports gentle stress relief. (NIH/PubMed — Nielsen FH, 2021)

Enhances energy production — Magnesium Malate aids cellular energy. (NIH/PubMed — Cepeda V, 2025)

Supports daily intake — Magnesium Oxide provides concentrated magnesium. (NIH/PubMed — Walker AF, 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 - 30 Day Supply
Magnesium per Serving — 400 mg (from citrate, glycinate, malate, oxide)
Count — 90 easy-to-swallow softgels
Free From — Gluten, artificial colors & preservatives*

3rd Party Testing: Every batch is independently verified for identity, potency, and purity. 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.

Magnesium Citrate 400 mg softgels support muscle, heart, sleep & bone health with bioavailable forms. 3rd-party tested. Clinically Studied — NIH/PubMed!*

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