How to use: Himalaya Kapikachhu Capsules is pure herb extract of Cowhage or Mucuna pruriens. Mucuna seed is especially used to improve sexual function and the quality of semen in infertile men. It improves male fertility by its action on the hypothalamus, pituitary and gonadal axis. It reduces stress. . . How it works: Himalaya Kapikachhu Capsules is pure herb extract of Cowhage or Mucuna pruriens. Mucuna seed is especially used to improve sexual function and the quality of semen in infertile men. It improves male fertility by its action on the hypothalamus, pituitary and gonadal axis. It reduces stress.