D'Adamo Personalized Nutrition provides nutritional support and guidance for individuals who follow the blood type diet and the genotype diet. The company also offers a range of anti-aging, brain, detox, digestion, energy, heart, hormone balance, joints and bones, lungs, stress, and weight loss vitamins and supplements. It also provides skin care products and functional foods, including protein powder, bars, and teas and beverages, as well as related books, tests, kits, and apps.