Medical Doctors’ Research (MDR) has established itself as a leader in the field of nutrition and wellness helping millions of men and women to stay healthy and fit. Physicians, athletes, scientists and celebrities chose MDR formulas because they work. For over 30 years, MDR has incorporated the latest advances in nutrition, medicine and anti-aging research into its exclusive formulas, which have been listed in the Physician’s Desk Reference. Medical Doctors Research carefully selects the highest quality sources of each nutrient to maximize benefits. Each formula is laboratory tested to insure optimum purity and potency. MDR local office may be reached at 954-845-9500 Ext.: 5568 Call customer Orders into 1-800-637-8227 anytime