Red Clover Promote Better Health. Red Clover is traditionally used as a Spring tonic to promote better health. Red Clover includes all-natural antioxidants and is one of the richest sources of isoflavones. Red Clover has also been used medicinally to treat a wide array of conditions. These have included cancer, mastitis (inflammation of the breast), joint disorders, jaundice, bronchitis, spasmodic coughing, asthma, and skin inflammations. Red Clover is also thought to purifying the blood. Red Clover contains isoflavone that theoretically could help prevent specific types of cancer, including breast and prostate cancer. Studies have shown that red clover preparations may also protect skin against sunburn and damage caused by exposure to sunlight.