This is the eleventh part of a 15 part Vitamin D series. Dr. John J. Cannell, Executive Director of the Vitamin D Council, sat down with Purity Products. Here he explains what to look for in a vitamin d product and how much to supplement if youre already taking another vitamin d product.
Order Dr. Cannell's Advanced D here http://goo.gl/9IzA
Link to this comment:
All Comments (0)