Aspartic acid, also known as DAA, is a non-essential amino acid that is often used in testosterone boosting supplements. It is commonly used by bodybuilders and other athletes. Naturally, we wanted to see if this supplement could actually increase testosterone levels and enhance penis enlargement.

DAA Facts

The body naturally synthesizes DAA for many physiological processes, therefore dietary intake is not necessary for survival. We will examine if supplementation has positive effects.

DAA is a precursor to other amino acids such as lysine and methionine and plays a role in testosterone production. The role in testosterone is probably why this supplement is touted as a “testerone boosting supplement”.

Effects on Testosterone

There has been no study indicating that aspartic acid supplementation can increase testosterone levels to any significant level. In fact, this study demonstrated no change after 28 days of DAA use.

DAA supplementation likely does NOT increase testosterone levels and therefore seems to have no  benefit to penis enlargement.

While there are other effects of using d-aspartic acid such as increasing serum D-ASP and DDO, this also has no effect on penis size. suggest that DAA supplementation can temporarily increase testosterone levels, they failed to cite any credible sources that actually demonstrated this effect. They do link to some studies, but I guess they don’t expect people would actually read the studies. There was nothing to suggest that oral administration of d-aspartic acid actually increases testosterone levels.

Do We Recommend Taking DAA?

No. Until further evidence suggests otherwise, we have no reason to believe that DAA can enhance your PE routine and maximize penis growth.

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