Testosterone is a male hormone produced in the testes and in the adrenal glands. A balanced testosterone level is related to sexual performance, reproductive function, building muscle mass, hair growth, aggression, and competitive behavior. Testosterone also stimulates the production of blood cells including red blood cells, and opposes the loss of bone calcium (osteoporosis). The testosterone level increases until the age of 30 and then declines slowly afterward. There are many foods that boost testosterone, so if you feel that…