Maca Men who use Maca have been shown to have an increase in libido and healthy sperm*. Tribulus Tribulus helps to increase testosterone in the body. It has been proven tribulus terrestris can increase the amount of Luteinizing Hormone (LH) produced by the body�s pituitary gland. LH stimulates the testes to secret the male hormone testosterone. Men's MultivitaminThe 100% whole food multivitamin contains all the nutrients you need on a daily basis plus specific nutrients needed for healthy sperm.