Potential negative side effects of Estroven include drowsiness, a feeling of swelling of the whole body, numbness or tingling sensations, diarrhea, and severe allergic reaction, according to Drugs.com. Symptoms of a severe allergic reaction to Estroven include difficulty breathing, tightness in the chest, swelling in the mouth, rash or hives.
There are no known major side effects associated with the recommended dosage of Estroven, although women who are pregnant, breast-feeding or attempting to become pregnant should not take the supplement, explains Drugs.com. Estroven capsules contain ingredients such as vitamin B-12, vitamin B-6, folate, niacin and calcium. The supplements also contain vitamin E, selenium, black cohosh root, magnolia bark and thiamine. Other ingredients found in the supplement include cellulose, croscarmellose sodium, silica, vegetable magnesium stearate, vanilla and caramel color. Estroven is gluten- and lactose-free, containing no dyes, wheat, yeast or artificial coloring.
Estroven is commonly used to relieve symptoms associated with menopause, perimenopause and postmenopause, states Drugs.com. Estroven contains natural ingredients and is a dietary supplement that is taken a few hours before bedtime with food. Clinical testing of the ingredients found in Estroven shows that women experience a reduction in night sweats, hot flashes and irritability related to menopause. Additionally, overall sleep patterns improve.