Man Dime HARDE Love foods, also known as aphrodisiacs, have been around for centuries. They contain substantial levels of zinc, which raises testosterone production. It may also be caused by the failure of the testes to descend into the scrotum or by problems of delivering sperm into the vagina. It also works in a slightly different way, as it will help raise the amount of testosterone in the body. Blossoms are white or rosy and can be seen in May and June. There could be a variety of causes of a decreased libido: stress, illness, lack of nutritious diet program, smoking, drinking, etc.