"Mr. Greg Peterson is considered one of the pioneers in the field of clinical nutrition. He has consulted with thousands of health care practitioners in the United States and around the world. Nutri-Dyn is considered by natural healthcare professionals to be a leading nutrition company in quality certified food supplements and provides continuing education for natural healthcare providers. Greg brings over 40 years of clinical experience in nutrition, and he enjoys sharing his knowledge of nutrition. Today, we will be discussing with Mr. Peterson if vitamins are really necessary for good health. Also, we will be asking our special guest if all vitamin supplements are created and manufactured equally; and is it safe to be purchasing vitamins on the Internet and much more!"