D Aspartic Acid

D-Aspartic Acid (D-AA) is one of the two forms of the essential amino acid, aspartic acid. As it can aid in regulating testosterone synthesis and improving hormone function, D-Aspartic Acid is a popular natural testosterone booster.

By elevating testosterone levels D-Aspartic Acid can be an effective supplement for building muscle in males. As muscle and fat growth is directly linked to testosterone levels, higher testosterone levels can improve the ability to build muscle.

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