LifeSource Vitamins Magnesium Citrate — 400 mg — 120 Veg Caps — Supports Energy Production, Muscle & Nerve Function
LifeSource Vitamins Magnesium Citrate provides 400 mg of elemental magnesium in a highly bioavailable citrate form, designed to support energy production, muscle function, nerve health, and overall wellness. This supplement features a fully reacted magnesium citrate, produced in FDA-registered, GMP-certified facilities. Non-GMO and free of wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts, and sesame, as verified by the label.*
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 energy production — Magnesium acts as a cofactor in over 300 enzymatic reactions, including ATP synthesis (authoritative review).
NIH/ODS — Magnesium Health Professional Fact Sheet
✓ Promotes muscle function — Magnesium enhances muscle contraction and relaxation in adults (review of human studies).
NIH/PubMed — Zhang, 2024
✓ Supports nerve health — Magnesium is essential for nerve transmission and neuromuscular function (authoritative review).
NIH/ODS — Magnesium Health Professional Fact Sheet
✓ Improves sleep quality — RCT in older adults with insomnia showed improved sleep time and efficiency with magnesium supplementation.
NIH/PMC — Abbasi, 2012
✓ May support blood pressure already within normal range — Meta-analysis of RCTs showed modest reductions in SBP/DBP with oral magnesium.
NIH/PubMed — Zhang, 2016
✓ Enhances bioavailability — Organic magnesium citrate shows higher absorption than inorganic forms in human comparisons.
NIH/PMC — Walker, 2003
✓ Supports metabolic health — Magnesium citrate supplementation decreased blood pressure and HbA1c in normomagnesemic subjects with metabolic syndrome (RCT).
NIH/PubMed — Joris, 2021
✓ Improves restless legs symptoms — Magnesium citrate monotherapy improved RLS symptoms and immobilization test scores in an open-label pilot.
NIH/PubMed — Gorantla, 2024
✓ Reduces leg cramps — Randomized crossover trial showed magnesium citrate reduced nocturnal leg cramps in non-pregnant adults.
NIH/PubMed — Garrison, 2002
✓ Supports insulin sensitivity — Systematic review/meta-analysis showed improvements in metabolic measures in insulin-resistant adults with magnesium supplementation.
NIH/PMC — Dibaba, 2017
✓ Magnesium supplementation reduces muscle soreness — Systematic review found MgS (including citrate forms) reduces soreness, improves recovery, and protects against damage in active individuals.
NIH/PubMed — Tarsitano, 2024
Additional / Promising Evidence
✓ May enhance relaxation — Magnesium may help mild anxiety and insomnia, particularly with low baseline levels (review).
NIH/PubMed — Boyle, 2017
✓ May support bone health — Reviews associate adequate magnesium with bone quality/BMD and vitamin D metabolism.
NIH/PMC — Rude, 2021
✓ May alleviate fibromyalgia symptoms — Magnesium citrate improved tender points and pain intensity in fibromyalgia patients (RCT).
NIH/PubMed — Gür, 2012
✓ May reduce stone recurrence — Potassium-magnesium citrate reduced recurrent calcium oxalate nephrolithiasis by 85% in a double-blind trial.
NIH/PubMed — Ettinger, 1997
✓ May improve glycemic control — RCTs reported improvements in fasting glucose/insulin resistance in at-risk populations with magnesium.
NIH/PubMed — Fang, 2016
✓ May support arterial health — Magnesium citrate supplementation showed potential effects on arterial stiffness in CKD patients (RCT).
NIH/PubMed — Schutten, 2022
✓ May lower inflammatory markers — Meta-analysis indicated magnesium supplementation reduced serum CRP levels.
NIH/PubMed — Mazidi, 2018
✓ May enhance sleep in elderly — Double-blind trial showed magnesium increased sleep time and efficiency in elderly with insomnia.
NIH/PubMed — Abbasi, 2013
University-Led & Academic Studies
✓ Harvard Medical School — Research on magnesium’s role in energy metabolism and blood pressure regulation.
NIH/PubMed — Various, Ongoing
✓ Oregon State University – Linus Pauling Institute — Studies on magnesium’s neuromuscular benefits and bioavailability.
NIH/ODS — Linus Pauling Institute, Various
✓ University of Texas Southwestern Medical Center — Investigations into magnesium citrate absorption and urinary excretion.
NIH/PubMed — Various, Ongoing
✓ University of Toronto — Trials on magnesium for sleep quality and inflammatory stress in older adults.
NIH/PubMed — Various, Ongoing
Global Evidence & Reviews
✓ NIH Office of Dietary Supplements — Magnesium fact sheet summarizing evidence for energy production, muscle/nerve function, and metabolic health.
NIH/ODS — Magnesium Health Professional Fact Sheet
✓ World Health Organization (WHO) — Recognizes magnesium’s role in energy production and metabolic health.
WHO — Nutrition Guidelines (Magnesium context)
✓ European Food Safety Authority (EFSA) — Confirms bioavailability of magnesium citrate malate for nutritional purposes.
EFSA — Magnesium Citrate Safety & Bioavailability Opinion
✓ American Heart Association — Meta-analyses highlight magnesium’s potential in reducing systolic blood pressure.
AHA — Magnesium & Blood Pressure Review
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 energy production*
- Promotes muscle function*
- Supports nerve health*
- Enhances relaxation and sleep quality*
- May support healthy blood pressure already within normal range*
- Highly bioavailable organic form*
Suggested Use
Take 3 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 Veg Capsules (400 mg elemental magnesium) | Servings Per Container: 40
- Form: Veg Capsules
- 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.
Magnesium Citrate 400 mg, 120 Veg Caps supports energy, muscle, nerve & relaxation. Non-GMO, 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
