[2] Useful foods may be "built to have physiological benefits and/or lower the risk of chronic disease beyond primary nutritional capabilities, and should be identical in overall look to traditional foodstuff and consumed as part of an everyday diet".[three]Nhìn chung, ??n thu?c ???c ?i?n t?i m?t hi?u thu?c ngoài m?ng l??i s? ch? ???c b?o hi?m n?