I believe in a number of vitamins and supplements and many of the top athletes I coach believe in them too. I am not a physician, so I am not comfortableabout recommending specific items. However, I believe that Puritan's Pride is a super company. The quality of the products the sell is outstanding as is their prices and their customer service.
Here is there site: www.puritan.com
For information on four of my programs for improving performance at sports, work and school go to: