The Recommended Dietary Allowance (RDA) for phenylalanine and tyrosine is 33 mg per kilogram of body weight, or 15 mg per pound [REF].
Tyrosine, which can also be synthesized in the body from phenylalanine, is found in many high-protein food products such as chicken, turkey, fish, milk, yogurt, cottage cheese, cheese, peanuts, almonds, pumpkin seeds, sesame seeds, soy products, lima beans, avocados, and bananas [REF].