Sometimes you don't think there is any difference happening in the body when you take a supplement until you stop taking it; that's how it was with this one.
Recommended by a friend after they'd used it with great success. If you don't mind your bowels changing color, give it a try.
My vitamin D level had been low for 2 years and each time the Dr. gave me a prescription for synthetic vitamin D which I refused to take; way too many side effects. Thorne was recommended and we've been a match ever since.
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