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[–]Tums_is_Smut_bkwrds 2 insightful - 2 fun2 insightful - 1 fun3 insightful - 2 fun -  (0 children)

Fun Fact: The usable by the human body form of Vit D is called Calcifediol. It takes about 7 days for the liver to convert Vit D taken orally to Calcifediol. This is why it's important to take it every day.