Red clover is an herbal supplement used orally (as a tea, tincture) for conditions such as menopausal symptoms and hot flashes, mastalgia, premenstrual syndrome, cancer prevention, indigestion, hypercholesterolemia, whooping cough, asthma, bronchitis, and sexually transmitted diseases. Always consult your practitioner beforehand if you decide to use herbal supplements with prescription medications, especially hormones, or if you have any health conditions.