Calming Magnesium Powder — 16 oz — Supports Stress Relief, Sleep Quality & Muscle/Nerve Function*
LifeSource Vitamins Calming Magnesium Powder supplies magnesium carbonate with citric acid, which converts to highly soluble magnesium citrate when mixed in water for excellent absorption to help support relaxation, restful sleep, healthy blood pressure already within the normal range, and neuromuscular function. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency, and purity. Non-GMO, gluten-free powder.*
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 (Human Evidence)
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Magnesium Citrate — Improves sleep quality in older adults per double-blind RCT. ((NIH/PMC — Abbasi B, 2012))
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Magnesium Citrate — May support healthy blood pressure already within the normal range per meta-analyses. ((NIH/PubMed — Zhang X, 2016); (NIH/PubMed — Rosanoff A, 2017); (NIH/PMC — Yang K, 2024))
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Magnesium Citrate — Supports mood improvement in low-magnesium status per systematic review. ((NIH/PMC — Saghafian F, 2023))
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Magnesium Citrate — Helps with mild anxiety and sleep complaints per review. ((NIH/PubMed — Ebben M, 2024))
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Magnesium Citrate — Supports insulin sensitivity and glucose metabolism per meta-analyses. ((NIH/PubMed — Veronese N, 2016); (NIH/PubMed — Tabrizi R, 2021))
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Magnesium Citrate — Supports neuromuscular and cardiac function as a cofactor in 300+ enzymes (foundational RCT). ((NIH/PubMed — Walker AF, 2003))
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Magnesium Citrate — May support PMS-related mood symptoms per foundational RCTs. ((NIH/PubMed — Facchinetti F, 1991); (NIH/PMC — Ebrahimi E, 2010))
Additional / Promising Evidence
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Magnesium Citrate — May support headache prevention per narrative review. ((NIH/PMC — Orr SL, 2023)) Positive Findings — Emerging Evidence Under NIH/PubMed Review
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Magnesium Citrate — May support muscle performance and recovery per review. ((NIH/PMC — Zhang Y, 2024)) Positive Findings — Emerging Evidence Under NIH/PubMed Review
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Magnesium Citrate — May support sleep quality in elderly per RCT replication. ((NIH/PubMed — Abbasi B, 2012)) Positive Findings — Emerging Evidence Under NIH/PubMed Review
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Magnesium Citrate — May support glucose control in high-risk individuals per meta-analysis. ((NIH/PubMed — Tabrizi R, 2021)) Positive Findings — Emerging Evidence Under NIH/PubMed Review
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Magnesium Citrate — May support blood pressure reduction per umbrella review. ((NIH/PMC — Yang K, 2024)) Positive Findings — Emerging Evidence Under NIH/PubMed Review
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Magnesium Citrate — May support PMS symptom reduction with B6 synergy per RCT. ((NIH/PMC — Ebrahimi E, 2010)) Positive Findings — Emerging Evidence Under NIH/PubMed Review
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Magnesium Citrate — May support muscle cramp relief with mixed evidence per RCT. ((NIH/PubMed — El-Tawil S, 2020)) Positive Findings — Mixed Evidence Under NIH/PubMed Review
University / Academic Context
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Harvard Medical School — Research includes magnesium’s role in sleep and stress regulation.
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Johns Hopkins University — Studies explore magnesium’s impact on neuromuscular function.
Global Evidence & Authoritative Reviews
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Office of Dietary Supplements (NIH ODS) — Outlines magnesium’s roles in sleep, stress, and muscle function, with ongoing research needs.
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, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Key Ingredients
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Magnesium (from magnesium carbonate + citric acid) — Helps support neuromuscular function, energy production, and relaxation. ((NIH/PubMed — Lindberg JS, 1990); (NIH/PubMed — Walker AF, 2003))
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Citric Acid — Reacts with magnesium carbonate to create ionic magnesium citrate for absorption.*
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Natural Raspberry Flavor & Organic Stevia — Provides pleasant taste without sugar.*
Brief Benefit Bullets
- Calming support for stress and occasional anxiety*
- Supports restful sleep quality*
- Helps maintain healthy blood pressure already within the normal range*
- Neuromuscular support for normal muscle and nerve function*
- Supports insulin sensitivity and carbohydrate metabolism*
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3rd-party tested for purity and potency*
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — 1/2 tablespoon (4.5 g)
- Servings Per Container — 101
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Form — Powder; raspberry-lemon flavor
- Free From — Non-GMO, gluten-free*
- Quality — 3rd-party tested for identity, potency and purity
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.
Calming Magnesium Powder, 16 oz — Supports stress relief, sleep, muscle/nerve function, blood pressure & glucose metabolism. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
