A functional composition or food containing whey protein, an antibody derived from milk, or an antibody and a whey protein food characterized by comprising whey protein and any of a glucide, cocoa powder, powdery non-coagulable insoluble, powdered green tea, aloe powder, turmeric powder, pumpkin powder, red grape juice powder, tomato powder, cranberry powder, raspberry powder, blueberry powder, and or strawberry powder.