ROS are constantly being produced in the body, but their levels are kept in check in healthy people. It happens when the body’s own antioxidant defenses are overwhelmed because of disease, old age, an unhealthy lifestyle, or environmental pollutants ( 14, 15, 16). Oxidative stress is when levels of reactive oxygen species (ROS) reach harmful levels in the body. Some evidence indicates that taking antioxidant supplements, such as vitamin C, may improve fertility. You’re probably familiar with vitamin C’s ability to boost the immune system. Shop for D-aspartic acid supplements online. More research is needed to investigate the potential long-term risks and benefits of D-AA supplements in humans. The current evidence indicates that D-AA supplements may improve fertility in men with low testosterone levels, while they don’t consistently provide additional benefits in men with normal to high levels. Studies in athletes or strength-trained men with normal to high testosterone levels found that D-AA didn’t increase its levels further and even reduced them at high doses ( 6, 7). The number of pregnancies also increased among their partners ( 4).Īnother controlled study in healthy men showed that taking 3 grams of D-AA supplements daily for 2 weeks increased testosterone levels by 42% ( 5). This is supported by studies showing that D-AA supplements may increase levels of testosterone, the male sex hormone that plays an essential role in male fertility.įor example, a study in infertile men suggested that taking 2.7 grams of D-AA for 3 months increased their testosterone levels by 30–60% and sperm count and motility by 60–100%. In fact, D-AA levels are significantly lower in infertile men than fertile men ( 3). Researchers believe that D-AA is implicated in male fertility. It should not be confused with L-aspartic acid, which makes up the structure of many proteins and is far more common than D-AA.ĭ-AA is mainly present in certain glands, such as the testicles, as well as in semen and sperm cells. Here are 10 science-backed ways to boost sperm count and increase fertility in men.ĭ-aspartic acid (D-AA) is a form of aspartic acid, a type of amino acid that’s sold as a dietary supplement. Some foods and nutrients are associated with greater fertility benefits than others. Infertility can have multiple causes and may depend on genetics, general health, fitness, diseases, and dietary contaminants.Īdditionally, a healthy lifestyle and diet are important. Low levels of testosterone, the male sex hormone, may be responsible for infertility in some men. Sperm motility is measured as the percentage of moving sperm cells in a sample of semen. An essential function of healthy sperm cells is their ability to swim. An important aspect of semen quality is the number or concentration of sperm cells in a given amount of semen. Also known as impotence, erectile dysfunction is when a man is unable to develop or maintain an erection. Foods or supplements that claim to increase libido are called aphrodisiacs. Otherwise known as sex drive, libido describes a person’s desire to have sex. Sometimes infertility is linked to sexual function, and other times it could be linked to semen quality. It usually depends on the quality of his sperm cells. Male infertility is when a man has a poor chance of making his female partner pregnant. Fertility refers to people’s ability to reproduce without medical assistance.
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