It does not increase testosterone directly but stimulates pituitary gland to produce more LH or Luteinizing Hormone, which in turn makes your testes produce more testosterone. It's great for enhancing your libido or sex drive. As a matter of fact, it can help you perform like a stud in bed! The market these days is completely full of diverse types of tablets, tonics, syrups and what not that guarantee to improve the sexual performance of folks. For males, some even guarantee to help in skyrocketing the knob size, except for enhancing libido and treating penile dysfunction. However, many of these products are basically made from chemical ingredients, and are unsafe to use as they cause side- effects to an individual's body. These side- effects last for ages and harm the body not only internally, but outwardly too.