LifeSource Vitamins Whole Food Magnesium Calming Powder β 16 oz (β70 servings) β Marine-Sourced Magnesium for Relaxation, Sleep & Stress Support β Mixed Berry
LifeSource Vitamins Whole Food Magnesium Calming Powder combines purified North Atlantic seawater with marine red algae (Lithothamnion calcareum) in a naturally effervescent, food-based mineral matrix. This whole-food source provides bioaccessible magnesium to support relaxation, sleep quality, stress balance, and muscle function. Produced in FDA-registered, GMP-certified facilities, it contains no artificial colors and is sweetened with organic stevia (Reb A).*
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
β Supports muscle & nerve function β Magnesium aids contraction and relaxation in adults (review of human studies).
NIH/PubMed β Dibaba, 2022
β Supports sleep quality β In older adults with insomnia, magnesium supplementation improved sleep time and efficiency (RCT).
NIH/PubMed β Abbasi, 2012
β Helps maintain healthy blood pressure already within normal range β Meta-analysis shows modest reductions in systolic and diastolic BP with magnesium (meta-analysis of RCTs).
NIH/PubMed β Zhang, 2016
β Supports stress balance β Reduced subjective anxiety in at-risk groups with magnesium supplementation (review/RCT).
NIH/PubMed β Boyle, 2017
β Supports bone health β Positive association with hip BMD in older adults with magnesium intake (observational/review).
NIH/PubMed β Groenendijk, 2022
β Supports glucose metabolism β Improved fasting glucose and insulin sensitivity in at-risk individuals (meta-analysis).
NIH/PubMed β Veronese, 2021
β Supports mood balance β Significant decline in depression scores in adults with depressive disorder (meta-analysis).
NIH/PubMed β Dibaba, 2023
β Supports inflammation reduction β Decreased serum C-reactive protein levels in adults with magnesium (meta-analysis).
NIH/PubMed β Mazidi, 2018
β Supports metabolic health β Inverse association with risk of metabolic syndrome with higher magnesium intake (review/meta-analysis).
NIH/PubMed β Kim, 2025
β Supports oxidative stress reduction β Beneficial effects on biomarkers of oxidative stress and inflammation with magnesium (meta-analysis).
NIH/PubMed β Cepeda, 2025
β Supports sleep efficiency β Supplementation increased sleep time and efficiency in elderly with insomnia (RCT).
NIH/PubMed β Mah, 2021
β Supports migraine prevention β Reduced intensity and frequency of migraines with magnesium supplementation (meta-analysis).
NIH/PubMed β Chiu, 2016
β Magnesium supplementation lowers blood pressure in hypertension/hypomagnesemia β Systematic review/meta-analysis of RCTs showed significant reductions in SBP/DBP, stronger in hypertensive individuals on medication or with low baseline Mg.
NIH/PubMed β Argeros, 2026
β Long-term magnesium intake reduces inflammatory markers in metabolic syndrome β Meta-analysis of RCTs showed CRP reductions, particularly with oral supplementation.
NIH/PubMed β Wang, 2025
Additional / Promising Evidence
β May support stress balance β Improved anxiety/depression scores in stressed adults with magnesium (review/RCT).
NIH/PubMed β Noah, 2021
β May enhance muscle function β Aids contraction and relaxation in preliminary studies (review).
NIH/PubMed β Tarsitano, 2024
β May support PMS symptoms β Relief of premenstrual mood changes with magnesium (RCT).
NIH/PubMed β Facchinetti, 1991
β May improve digestive regularity β Improved bowel movement frequency and transit time with magnesium (review).
NIH/PubMed β Mori, 2019
β May support exercise recovery β Reduced muscle soreness and improved performance after supplementation (review/RCT).
NIH/PubMed β Reno, 2022
β May support energy metabolism β Role in ATP pathways from mechanistic and human studies.
NIH/PubMed β Fatima, 2024
β May support athletic performance β Repletion supports electrolyte balance and function in athletes (review).
NIH/PubMed β Nielsen, 2006
β May support hormone balance β Improved sleep efficiency and hormone balance with magnesium (RCT).
NIH/PubMed β Carlos, 2024
University-Led & Academic Studies
β Harvard Medical School β Research on magnesiumβs role in sleep and stress management.
NIH/PubMed β Various, Ongoing
β Oregon State University β Linus Pauling Institute β Studies on marine-sourced magnesium and bone health.
NIH/ODS β Linus Pauling Institute, Various
β Stanford University β Insights on magnesiumβs impact on blood pressure and metabolic health.
NIH/PubMed β Various, Ongoing
β Johns Hopkins University β Reviews on magnesiumβs anti-inflammatory effects.
NIH/PubMed β Various, Ongoing
Global Evidence & Reviews
β NIH Office of Dietary Supplements β Magnesium fact sheet summarizing evidence for relaxation, sleep, muscle function, and metabolic health.
NIH/ODS β Magnesium Health Professional Fact Sheet
β World Health Organization (WHO) β Recognizes magnesiumβs role in muscle function and metabolic health.
WHO β Nutrition Guidelines (Magnesium context)
β National Center for Complementary and Integrative Health (NCCIH) β Reviews on magnesium for stress and sleep support.
NCCIH β Magnesium Overview
β Linus Pauling Institute β Comprehensive micronutrient data on magnesium bioavailability and wellness.
LPI β Magnesium
We monitor research from leading institutions β
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University β Linus Pauling Institute, Columbia, Cornell, Ohio State β to align with credible science.*
Key Ingredients
Brief Benefit Bullets
- Supports relaxation, calm, and stress balance*
- May help sleep quality and nighttime unwind*
- Promotes muscle & nerve function*
- Naturally effervescent; gentle on the stomach*
Suggested Use
Add 1 scoop to a cup and pour in 2β3 oz of hot water. Let it fizz, then stir until dissolved. Top off with additional water (warm or cold) to taste. Take 1β2 hours before bedtime for relaxation support, or as directed by your healthcare professional. Use consistently for best results. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size: 1 scoop (3.7 g) | Servings Per Container: About 70
- Form: Natural effervescent powder (Mixed Berry)
- Free From: No artificial colors; sweetened with organic stevia (Reb A)*
- Other Ingredients: Citric acid, beet root powder, natural flavors, organic stevia extract (Reb A)
- Made in FDA-Registered, GMP-Certified U.S. Facility
LifeSource Vitamins β Proudly American β 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.
Whole Food Magnesium Calming Powder boosts relaxation, sleep, stress relief & muscle function with marine-sourced Mg. 16 oz, 3rd-party tested. Clinically Studied Ingredients β NIH/PubMed!*