LifeSource Vitamins 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-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
✓ Magnesium Citrate improves sleep quality in older adults — Double-blind RCT showed enhanced sleep time and efficiency in elderly with insomnia.
NIH/PMC — Abbasi, 2012
✓ Magnesium Citrate supports healthy blood pressure already within the normal range — Meta-analyses show modest reductions in systolic and diastolic BP (multiple RCTs).
NIH/PubMed — Zhang, 2016
✓ Magnesium Citrate supports mood improvement in low-magnesium status — Systematic review showed benefits for anxiety/depression scores in stressed adults.
NIH/PMC — Saghafian, 2023
✓ Magnesium Citrate helps with mild anxiety and sleep complaints — Review of human data supports benefits for relaxation and sleep quality.
NIH/PubMed — Ebben, 2024
✓ Magnesium Citrate supports insulin sensitivity and glucose metabolism — Meta-analyses show improvements in fasting glucose and insulin resistance in at-risk populations.
NIH/PubMed — Veronese, 2016
✓ Magnesium Citrate supports neuromuscular and cardiac function — Acts as cofactor in 300+ enzymes, essential for muscle/nerve and heart health (foundational human data).
NIH/PubMed — Walker, 2003
✓ Magnesium Citrate may support PMS-related mood symptoms — Foundational RCTs show relief of premenstrual mood changes and tension.
NIH/PubMed — Facchinetti, 1991
Additional / Promising Evidence
✓ May support headache prevention — Narrative review indicates magnesium citrate as a potential preventive option for some patients.
NIH/PMC — Orr, 2023
✓ May support muscle performance and recovery — Review suggests benefits for muscle function and recovery in active individuals.
NIH/PMC — Zhang, 2024
✓ May support sleep quality in elderly — RCT replication supports improved sleep duration and efficiency.
NIH/PubMed — Abbasi, 2012
✓ May support glucose control in high-risk individuals — Meta-analysis shows benefits for fasting glucose and insulin resistance.
NIH/PubMed — Tabrizi, 2021
✓ May support blood pressure reduction — Umbrella review confirms modest effects in hypertensive populations.
NIH/PMC — Yang, 2024
✓ May support PMS symptom reduction with B6 synergy — RCT shows relief of premenstrual mood changes and tension.
NIH/PMC — Ebrahimi, 2010
✓ May support muscle cramp relief — Mixed evidence from RCTs for nocturnal leg cramps in non-pregnant adults.
NIH/PubMed — El-Tawil, 2020
University-Led & Academic Studies
✓ Harvard Medical School — Research includes magnesium’s role in sleep and stress regulation.
NIH/PubMed — Various, Ongoing
✓ Johns Hopkins University — Studies explore magnesium’s impact on neuromuscular function.
NIH/PubMed — Various, Ongoing
Global Evidence & Reviews
✓ Office of Dietary Supplements (NIH ODS) — Outlines magnesium’s roles in sleep, stress, muscle/nerve function, and metabolic health, with ongoing research needs.
NIH/ODS — Magnesium Health Professional Fact Sheet
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 magnesium carbonate + citric acid) — Converts to ionic magnesium citrate for absorption, supporting neuromuscular function, energy production, and relaxation.
NIH/PubMed — Lindberg, 1990
- Citric Acid — Reacts with magnesium carbonate to create ionic magnesium citrate for absorption.*
- 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*
- 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
- Form: Powder; raspberry-lemon flavor
- Free From: Non-GMO, gluten-free*
- Quality: 3rd-party tested for identity, potency and purity
- 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.
Calming Magnesium Powder, 16 oz — Supports stress relief, sleep, muscle/nerve function, blood pressure & glucose metabolism. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
