D'Adamo Personalized Nutrition provides nutritional support and guidance for individuals who follow the Blood Type Diet and the GenoType Diet. Its products are produced in GMP (Good Manufacturing Practices) facilities that have been certified with an "A" compliance rating through the Natural Products Association. Kosher-certified vegetarian capsules are used in all the formulations. D'Adamo products do not contain artificial fillers, animal stearates, or synthetic lubricants. Many of the D'Adamo products use certified organic ingredients and they have been developed and tested in clinical settings. The D'Adamo Unibars and protein drinks are gluten free. The Genoma Skin Care line is not tested on animals.