LifeSource Vitamins

Magnesium Powder Whole Food - MIXED BERRY - 9.13 oz

Original Price: $27.99   Current Price: $27.99
  • Whole-food magnesium from pristine North Atlantic seawater*
  • Promotes natural relaxation & stress relief*
  • Supports restful sleep & healthy sleep patterns*
  • Enhanced bioavailability from marine red algae*
  • Contains 72+ trace minerals from seawater*
  • May calm racing thoughts & support muscle relaxation*
  • Gentle, pleasant-tasting effervescent powder*
  • 3rd-party lab tested for purity & potency
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Product Details

LifeSource Vitamins Whole Food Magnesium Calming Powder β€” 16 oz (β‰ˆ70 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

βœ“ Supports muscle & nerve function β€” Magnesium aids contraction and relaxation in adults (review of human studies). NIH/PubMed β€” Dibaba, 2022

βœ“ Supports sleep quality β€” In older adults with insomnia, magnesium supplementation improved sleep time and efficiency (RCT). NIH/PubMed β€” Abbasi, 2012

βœ“ 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

βœ“ Supports stress balance β€” Reduced subjective anxiety in at-risk groups with magnesium supplementation (review/RCT). NIH/PubMed β€” Boyle, 2017

βœ“ Supports bone health β€” Positive association with hip BMD in older adults with magnesium intake (observational/review). NIH/PubMed β€” Groenendijk, 2022

βœ“ Supports glucose metabolism β€” Improved fasting glucose and insulin sensitivity in at-risk individuals (meta-analysis). NIH/PubMed β€” Veronese, 2021

βœ“ Supports mood balance β€” Significant decline in depression scores in adults with depressive disorder (meta-analysis). NIH/PubMed β€” Dibaba, 2023

βœ“ Supports inflammation reduction β€” Decreased serum C-reactive protein levels in adults with magnesium (meta-analysis). NIH/PubMed β€” Mazidi, 2018

βœ“ Supports metabolic health β€” Inverse association with risk of metabolic syndrome with higher magnesium intake (review/meta-analysis). NIH/PubMed β€” Kim, 2025

βœ“ Supports oxidative stress reduction β€” Beneficial effects on biomarkers of oxidative stress and inflammation with magnesium (meta-analysis). NIH/PubMed β€” Cepeda, 2025

βœ“ Supports sleep efficiency β€” Supplementation increased sleep time and efficiency in elderly with insomnia (RCT). NIH/PubMed β€” Mah, 2021

βœ“ Supports migraine prevention β€” Reduced intensity and frequency of migraines with magnesium supplementation (meta-analysis). NIH/PubMed β€” Chiu, 2016

βœ“ 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

βœ“ 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

βœ“ May support stress balance β€” Improved anxiety/depression scores in stressed adults with magnesium (review/RCT). NIH/PubMed β€” Noah, 2021

βœ“ May enhance muscle function β€” Aids contraction and relaxation in preliminary studies (review). NIH/PubMed β€” Tarsitano, 2024

βœ“ May support PMS symptoms β€” Relief of premenstrual mood changes with magnesium (RCT). NIH/PubMed β€” Facchinetti, 1991

βœ“ May improve digestive regularity β€” Improved bowel movement frequency and transit time with magnesium (review). NIH/PubMed β€” Mori, 2019

βœ“ May support exercise recovery β€” Reduced muscle soreness and improved performance after supplementation (review/RCT). NIH/PubMed β€” Reno, 2022

βœ“ May support energy metabolism β€” Role in ATP pathways from mechanistic and human studies. NIH/PubMed β€” Fatima, 2024

βœ“ May support athletic performance β€” Repletion supports electrolyte balance and function in athletes (review). NIH/PubMed β€” Nielsen, 2006

βœ“ May support hormone balance β€” Improved sleep efficiency and hormone balance with magnesium (RCT). NIH/PubMed β€” Carlos, 2024

University-Led & Academic Studies

βœ“ Harvard Medical School β€” Research on magnesium’s role in sleep and stress management. NIH/PubMed β€” Various, Ongoing

βœ“ Oregon State University – Linus Pauling Institute β€” Studies on marine-sourced magnesium and bone health. NIH/ODS β€” Linus Pauling Institute, Various

βœ“ Stanford University β€” Insights on magnesium’s impact on blood pressure and metabolic health. NIH/PubMed β€” Various, Ongoing

βœ“ Johns Hopkins University β€” Reviews on magnesium’s anti-inflammatory effects. NIH/PubMed β€” Various, Ongoing

Global Evidence & Reviews

βœ“ 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

βœ“ World Health Organization (WHO) β€” Recognizes magnesium’s role in muscle function and metabolic health. WHO β€” Nutrition Guidelines (Magnesium context)

βœ“ National Center for Complementary and Integrative Health (NCCIH) β€” Reviews on magnesium for stress and sleep support. NCCIH β€” Magnesium Overview

βœ“ 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 – 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 2–3 oz of hot water. Let it fizz, then stir until dissolved. Top off with additional water (warm or cold) to taste. Take 1–2 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
3rd Party Testing: Every LifeSource Vitamins product is tested by independent labs to verify identity, purity, potency, and label accuracy. Click Here To View Our 3rd-Party Testing Process

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!*

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