Vitamin B17 is found in the seeds of apricots, rather than in the meat. According to Vitamins and Health Supplements, apricot seeds and the seeds and flesh from most other non-citrus fruits, including apples, peaches, cherries, plums and prunes, may hold a vitamin B17 concentration of 2 to 3 percent. Apricot kernels and apple seeds can hold around 500 milligrams of vitamin B17 per 100 grams. Berries Many types of berries contain vitamin B17, such as strawberries, blueberries, huckleberries…