Working Better Together: Magnesium, Vitamin D, and Calcium
For years, calcium by itself has been portrayed as being the key nutrient for bone health. But that is only part of the story. Vitamin D and magnesium are also important. Vitamin D facilitates calcium’s absorption, and magnesium helps keep calcium out of the soft tissues and in the bones where it’s needed most.*
Most studies have found a combination of bone health nutrients to be superior to any single nutrient alone.
For example, a study of fracture risk in postmenopausal women found a decreased risk of fracture in women who took supplemental vitamin D3, but found an even greater decrease in fracture risk when calcium was included.*1
Vitamin D is an important part of the picture – deficiency and insufficiency of vitamin D have both been well documented during the past decade. National survey data indicates that more than 40% of U.S. adults are vitamin D deficient2,3 – defined as less than 20 ng/mL of serum 25(OH)D. On the bright side, data shows that 37% of U.S. adults report taking supplemental vitamin D.2-4
Vitamin D and calcium are not the only nutrients that are dependent on each other for their efficacy.
But here’s the issue, according to World Health Organization statistics, as much as 3/4 of the U.S. adult population does not meet the U.S. Food and Drug Administration’s Recommended Daily Intake of magnesium – 420 mg per day.6
It is very clear that individuals who supplement with vitamin D should also consider their magnesium status as well. Failure to maintain an adequate level of magnesium in the body could lead to inadequate vitamin D metabolism.* Furthermore, individuals with an adequate magnesium level were found to require less vitamin D supplementation to maintain a normal level of that vitamin.*5
Research has correlated diets higher in magnesium to lower incidences of vitamin D deficiency.*7
Consider these supplements to augment a bone-healthy diet and lifestyle. Cal-Mag Citrate Effervescent Powder and Vitamin D Liquid – both non-encapsulated products provide easy supplementation for kids and adults.
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- Bergman G, Fan T, McFetridge J, Sen S. Efficacy of vitamin D3 supplementation in preventing fractures in elderly women: a meta-analysis. Curr Med Res Opin 2010;26(5):1193-1201.
- Institute of Medicine, Food and Nutrition Board. Dietary Reference Intakes for Calcium and Vitamin D. Washington, DC: National Academy Press, 2010.
- Forrest K, Stuhldreher W. Prevalence and correlates of vitamin D deficiency in US adults. Nutr Res 2011;31(1):48-54.
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