保健品有改善人体免疫功能的作用,但不能因此忽视人体自身形成的自然免疫过程。如体内缺铁时,白细胞杀菌功能减弱。但是,如果为此过多补充含铁的保健品,同样会抑制白细胞的杀菌功能。所以,不恰当地吃保健品,不但不会增强肌体免疫力,反而会降低免疫功能。这就说明在选用保健品时 Health care products can improve the body’s immune function, but can not therefore ignore the body’s own natural immune process. If the body of iron deficiency, leukocyte bactericidal function weakened. However, if too much for iron supplement supplements, the same will inhibit the bactericidal function of leukocytes. Therefore, improper eating health products, not only will not enhance the body immunity, but will reduce the immune function. This shows that the choice of health products