Low estrogen levels in women can cause symptoms including irregular periods, hot flashes, headaches, mood swings, and more. Vitamin D deficiency may lead to lowered estrogen levels which is why each serving provides 40 MCG of Vitamin D3. Menopause Multi Symptom Capsules help support healthy estrogen levels contain key ingredients to support a healthy response to various symptoms experiences from the natural changes occurring during menopause including hot flashes and night sweats. Non GMO, Vegan, Gluten Free