Why are there three separate recommendations, one each for those of Caucasian, African and Asian ancestry?
ER4YT & CR4YT both recommend portion amounts based on ancestry. In some cases, foods listed as beneficial/neutral were included in a whole category that is to be avoided by a particular heritage. Hence, these foods are considered an avoid for those people.
To promote a healthy digestive system, Dr. Peter D'Adamo blended two synergistic dietary nutrients, Butyric Acid and Caprylic Acid, with Larch Arabinogalactan to create Intrinsa.
