However, the demonstration of the effects and efficacy of foods are regulated by the Pharmaceutical Affairs Act and some point out that it is not appropriatefor the de facto national institutions to state the effects and efficacy of such products.
しかし、食品について効果効能の表現は薬事法で規制されており、事実上の国の機関がそれを堂々と言うのはどうかという指摘もある。