The individualized prescription for maximising health, metabolism & vitality in every stage of your life. Your blood type is the key to living a healthy & vibrant life. Dr. Peter J. D' Adamo's groundbreaking work on blood types & their connection to diet & lifestyle has attracted huge attention & support. Thousands of testimonials & new genetic research all confirm that blood type affects your mental health, the way you digest your food & the efficiency of your metabolic & immune systems.