If you're obese, you're four times more likely to benefit from testosterone replacement than non-obese men. By contrast, endurance exercises like cycling for hours or running marathons can actually reduce your testosterone level. Certain testosterone boosters have specific side effects. Also called Indian ginseng, people have used this plant for thousands of years in traditional medicine, particularly the Indian practice called Ayurveda. Researchers have looked into whether it helps with menopause symptoms, erectile dysfunction, and mental and physical signs of aging, but results have been mixed. However, people who don't have much exposure to sunlight may be deficient in vitamin D. Vitamin D. Your body naturally produces vitamin D when your skin is exposed to sunlight. In addition to having significant effects on health and illness, these hormonal changes are necessary for preserving physiological balance; one particularly significant time of hormonal change is during puberty, when a rise in sex hormones, such as testosterone, promotes the growth of secondary sexual traits like increased muscle mass, body and facial hair, and a deeper voice . Also called androgen replacement therapy, this is a medical treatment your doctor may prescribe if blood tests show unusually low levels of testosterone. Testosterone plays a vital role in male health, influencing energy levels, sex drive, and muscle mass. For men with low blood testosterone levels and symptoms most likely caused by a low level, the benefits of hormone replacement therapy usually outweigh potential risks. Testosterone, often dubbed the "male hormone," plays a pivotal role in various aspects of men’s health, including muscle growth, bone density, and, of course, sexual performance. Some people have a healthy libido even with relatively low testosterone levels. By adopting a healthy lifestyle, managing stress, and seeking medical advice when necessary, individuals can optimize their testosterone levels and enhance their libido. Effective stress management is essential for maintaining healthy testosterone levels and libido. The Leydig cells of the testes are the main source of testosterone in men; although testosterone is frequently regarded as a male hormone, it is essential for many physiological processes outside of sexual differentiation, including maintaining muscle mass, bone density, mood regulation, and metabolic processes . Reflect on when your libido started to drop and whether that coincided with any issues in your health or relationship. Whether or not you rule out clear physical-medical issues, you should also take a fearless inventory of your sex life. Many common drugs, from antidepressants to anticonvulsants, cancer treatments to contraceptives, and more, can all lower libido themselves. Just make sure to talk to your doctors about how to mitigate the sexual side effects of any meds they prescribe. Any number of chronic or acute health issues can affect libido, directly or indirectly. The research paper provides a thorough summary of the selection criteria and covers testosterone's effects on depression, vascular endothelium, muscle strength, bone health, and sexual function (Figure 1). It has been demonstrated that testosterone replacement treatment (TRT) improves muscle mass, strength, and physical function in hypogonadal men, while research indicates that men with low testosterone levels have decreased muscle mass and strength . Specifically, when testosterone levels rise, the body reduces the production of its primary source, while a decline in testosterone levels prompts an increase in its production; this intricate feedback loop plays a critical role in maintaining hormonal balance and is essential for understanding the regulatory mechanisms governing testosterone in men . Descriptive, observational, and experimental studies including healthy men-more especially, those assessing the effects of testosterone therapy-were required for inclusion. Beyond these physical advantages, testosterone plays a crucial role in male reproductive health by affecting spermatogenesis (the generation of sperm), libido, and erectile function. Notably, conditions including diabetes, kidney and liver diseases, recent weight increases, thyroid disorders, and even sleep apnea can all cause a decrease in testosterone, and thus libido, and that decrease can often be reversed by treating this underlying health issue. But while testosterone is "overall pretty safe" when properly prescribed and monitored by an expert, explains Jesse Mills, M.D., a urologist, male sexual health expert, and director of the Men’s Clinic at UCLA, it’s not risk free. Older men are more likely to have medical conditions and to take medicines that can interact with supplements. Deficiency correction—fixing low levels of zinc or vitamin D—shows the most consistent improvements. Trials commonly include small groups, short follow-up, and participants who are younger or healthier than typical men in their 60s. The actual effect size and consistency vary by ingredient and by the health of the person taking it. Each is thought to influence testosterone or related pathways in a different way.