The red Clover is an herbaceous, perennial plant with smooth leaves and height 30-80 cm. The leaves are toothed and the flowers are purple. It is often found in the Greek nature and it blooms from July to September. The whole plant and the seeds are useful but the flowering tops are used mainly in the medicine. The plant contains phenolic glycosides, flavonoids, coumarins. The active substances that contained in the leaves are provitamin A, vitamins C, D, E and K1 and minerals such as calcium, potassium, iron and phosphorus. The red clover protects from prostate cancer, it fights female disorders during menopause and it has a beneficial effect on fertility. Also, research has shown that it acts as a kind of natural viagra.