There is no obvious time limit for the intake of soy isoflavones, so if necessary, they can be taken regularly at a certain time of the day. Soy isoflavones are mainly from soybeans and have a weak estrogen-like effect, which can regulate estrogen in both directions. Specifically, when the body’s estrogen level is relatively low, the intake of soy isoflavones can moderately raise the level of estrogen; when the body’s estrogen level is relatively high, soy isoflavones, by occupying the estrogen target, will appropriately reduce the side effects caused by too much estrogen. Therefore, moderate supplementation of soy isoflavones is beneficial to health, can help menopausal women better through menopause, while to some extent can improve the symptoms of osteoporosis. In terms of consumption, there is no obvious time limit for soy isoflavones, if necessary, regular intake at a certain time every day can be. It should be noted that mega doses of soy isoflavones may cause weak estrogen-related side effects. To be on the safe side, it is recommended that soy isoflavones be taken scientifically under the guidance of a doctor.