Is drinking soy milk effective for luteal phase deficiency?

Under normal circumstances, drinking soy milk when experiencing luteal phase deficiency can provide plant-based estrogens and offer some supportive regulation for mild hormonal imbalances. However, it cannot replace medical treatment. If the luteal insufficiency is severe or significant improvement in hormone levels is required, simply drinking soy milk will not be effective. If you have concerns, it is recommended to consult a doctor early. Detailed analysis is as follows:

Soy milk contains soy isoflavones, which can exert estrogen-like effects in the body. If luteal phase deficiency is accompanied by mildly low estrogen levels, moderate consumption of soy milk can supply phytoestrogens, helping regulate endocrine function and alleviate minor discomforts. It generally does not impose additional burden on the body and can be part of daily dietary adjustment.

However, in more severe cases of luteal phase deficiency—such as those presenting irregular menstruation or difficulty conceiving—drinking soy milk alone cannot provide sufficient progesterone or restore luteal function. In such cases, professional medical treatment under a doctor’s guidance (e.g., progesterone supplementation) is necessary. The supportive role of soy milk is limited, and relying solely on it may delay proper diagnosis and treatment, potentially affecting recovery or fertility plans.

Individuals with luteal phase deficiency should first seek medical evaluation to determine the underlying cause and severity. Soy milk should not be used as the primary method of treatment. When consumed regularly, intake should be moderated to avoid gastrointestinal discomfort. Additionally, regular hormone level monitoring is recommended so that the management plan can be adjusted accordingly.