Decode Your Supplements

Good Health Lifestyles Herbal Helpers

Your favorite health food store has plenty of supplements. But trying to figure out which nutrient is the best—decoding them—can be tricky. Here is a codebook for three of the most widely used and most important natural ingredients.   Vitamin: D3 What it is: Vitamin D3, or cholecalciferol, is one of two forms of vitamin D. Where it comes from: …