Of all the vitamins that you could supplement with, Vitamin D3 is the most essential. This does not diminish the importance of the other vitamins, but Vitamin D is the only one that we cannot possibly get a sufficient amount from our diet, and it is probably the most deficient vitamin in America. Recent research estimates that upwards of 80% of people are deficient in Vitamin D, and those are by very modest standards. Read the rest of this entry »