Testosterone is a male sex hormone produced in the male testicles that is required for sperm production. It helps in the development of muscle, bones, the penis and testicles. The primary cause of low testosterone is age, because as men age, their testosterone levels will normally drop (typically, about 1% a year after age 30 or 40).
As a result of lower testosterone levels, some men may notice changes in their sexual function (Reduced sexual desire, fewer spontaneous erections and infertility) with some other symptoms such as increased body fat, reduced muscle bulk & strength, decreased bone density and they may feel less energetic than before.
Some men with such symptoms may choose to use the popular Testosterone Replacement Therapy (TRT), which involves delivering testosterone to boost the Testosterone levels. But unfortunately, TRT has various risks. For example, the TRT therapy may contribute to sleep apnea, increase the risk of heart disease, stimulate noncancerous growth of the prostate and limit sperm production or cause testicle shrinkage (Men who want to conceive should not undergo TRT).
In brief, quoting from Mayo Clinic publication (Dec. 2017), treating normal aging with testosterone therapy is not currently advisable. The Mayo Clinic Staff suggest natural ways to boost testosterone.
“DR. J. Tongkat”, could be considered as an ideal alternative to TRT because it has been approved as a natural product for boosting the testosterone production. The product contains two herbs (Tongkat Ali and the Fungus Cordyceps). Both ingredients have been proved (traditionally and clinically) to be effective to enhance men sexual activities through enhancing the testosterone production.