Cal-Mag Powder — Calcium & Magnesium with Vitamin D₂ (Citrate Forms)*
LifeSource Vitamins Cal-Mag Powder uses highly bioavailable citrate forms of calcium and magnesium, plus vitamin D₂, to support healthy bones, muscles, and nerves. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for identity, potency & purity.*
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. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*
|
Clinically Studied Benefits (human studies & authoritative reviews)
• Bone strength & fracture risk (context-dependent): Trials and meta-analyses show that calcium or calcium+vitamin D can help reduce fractures in some older-adult settings; vitamin D alone does not prevent fractures. (NIH/PubMed — Tang B, 2007)(NIH/PubMed — Avenell A, 2014, Cochrane)
• Muscle & nerve function:Calcium mediates contraction; magnesium supports relaxation and neuromuscular signaling; vitamin D aids calcium absorption. Authoritative overviews confirm these roles. (NIH ODS — Calcium)(NIH ODS — Magnesium)(NIH ODS — Vitamin D)
• Bioavailability advantage for citrate salts: Studies comparing salts report that calcium citrate is absorbed better than calcium carbonate in various conditions. (NIH/PubMed — Heaney RP, 2001)(NIH/PubMed — Sakhaee K, 2009)
Additional Studies Showing Promising Benefits*
• Cardiovascular/Blood pressure (modest): Meta-analysis shows small average BP reductions with magnesium supplementation. Effect size is small and depends on baseline status. (NIH/PubMed — Zhang X, 2016)
• Teeth & enamel: Adequate calcium and vitamin D support tooth mineralization and maintenance. (MedlinePlus — Calcium)
University Studies
• Academic meta-analyses and RCTs conducted by university-affiliated investigators support roles for calcium±vitamin D in select older-adult populations and clarify that vitamin D alone is insufficient for fracture prevention. (NIH/PubMed — Tang B, 2007)(NIH/PubMed — Avenell A, 2014)
Global Evidence & Authoritative Reviews
• Health-professional monographs summarize functions and safety of calcium, magnesium, and vitamin D, including absorption and interactions. (NIH ODS — Calcium)(NIH ODS — Magnesium)(NIH ODS — Vitamin D)
• Systematic reviews indicate vitamin D alone is unlikely to prevent fractures, whereas vitamin D + calcium may help in some older populations, with attention to GI/kidney stone risk. (NIH/PubMed — Avenell A, 2014, Cochrane)
We monitor research from the world’s leading institutions — including Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge University, Oxford, Stanford, Yale, MIT, the University of Florida, Oregon State University – Linus Pauling Institute, Boston University, Cornell, Columbia, and Ohio State — to ensure our guidance remains aligned with the highest standards of credible science.*
|
Brief Benefit Bullets
• Calcium citrate + magnesium citrate to support bone, muscle & nerve function*
• Vitamin D₂ supports calcium absorption & mineral balance*
• Clean label: no other ingredients
• Mixable, unflavored powder; vegan-friendly*
• 3rd-party lab tested for identity, potency & purity
Product Specifications
• Serving Size — 1 scoop (5.47 g)
• Servings Per Container — 30
• Vitamin D₂ (ergocalciferol) — 2.5 mcg (100 IU) — 13% DV
• Calcium (as calcium citrate) — 600 mg — 46% DV
• Magnesium (as magnesium citrate) — 300 mg — 71% DV
• Other Ingredients — none
• Form — Unflavored powder
• Quality — Third-party tested for identity, potency & purity
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.*
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.*
Cal-Mag Powder (citrate forms) with vitamin D₂ — supports bone, muscle & nerve health; clean label and 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
