Is a health problem associated with Low vitamin D, Low Magnesium, or too much Calcium – Jan 2016 | VitaminDWiki
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Calcium Magnesium Zinc & Vitamin D3 Supplement - 365 Vegetarian Tablets - 6 Month Supply of High Strength Osteo Tablets - Calcium Supplement Complex - Made in The UK by Nutravita :
![James DiNicolantonio on Twitter: "Magnesium is needed to activate vitamin D. Make sure you magnesium intake is adequate is you want your vitamin D to work. https://t.co/zepa4n3A0n" / Twitter James DiNicolantonio on Twitter: "Magnesium is needed to activate vitamin D. Make sure you magnesium intake is adequate is you want your vitamin D to work. https://t.co/zepa4n3A0n" / Twitter](https://pbs.twimg.com/media/EYStAxGWAAAusvs.jpg)