ingredients studies - vitamin b complex

Dr. Harold Bloomfield, MD - Psychiatrist in Del Mar, California Co-Author of "How To Deal With Depression"​​​​

Dr. Vernon Mark, MD Author of "Reversing Memory Loss"

Dr. Ronald Klatz, MD - President of the American Academy of Anti Aging; Author of "Ten Weeks To A Younger You"

Leslie Wade, CNN Medical Producer

According to the Study Produced in PLoS One, a Publication of the Public Library of Science, a non-profit in San Francisco