Tongkat ali, an herbal supplement, is best known for its ability to enhance libido, testosterone levels, erectile function, sexual performance, and fertility in men, for which it has been referred to as “Malaysia’s home-grown Viagra”. It is used as an adaptogen and as a traditional “anti-aging” remedy to help older individuals adapt to the reduced energy, mood, and libido that often comes with age.[2] Besides being a potential supplement for sexual health and performance, tongkat ali may also be beneficial in male osteoporosis, building muscle, reducing body fat, raising the metabolic rate, improving blood circulation and energy levels, relieving of diabetes, and reducing anxiety. However, tongkat ali has a variety of health benefits including:Increases testosterone [3] Improves male fertility [4] Improves sexual health [5] Enhances muscle strength [6] Increases athletic performance [7] Promotes weight loss [8] Helps people fight cancer [9] Reduces stress and anxiety [10] Enhances immune system [11] Helps with diabetes [12] Reduces pain [13] Alleviates inflammation [14] Helps with male osteoporosis [15] Improves erectile function [16] Improves physical and mental energy levels and overall quality of life [17] Has effects on stress hormone balance [17]A study was done in 2012. The study was done on seventy-six men, only 35% of whom had normal testosterone levels. It was reported that after one month of supplementing with tongkat ali, the number of men in the group with normal testosterone levels jumped to over 90%.[18]