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DE
Amino acid

D-Aspartic Acid

D-aspartic acid is the mirror-image form of the amino acid aspartic acid. It occurs naturally in nerve and hormone-producing tissue and is mostly studied for testosterone.

Also listed as D-AA, D-Aspartate, DAA

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Do study amounts provide a dosing guide?

Human studies have used different regimens, including roughly 3 g daily and 6 g daily. A higher amount did not reliably produce a larger testosterone response. These experimental regimens should not be read as an established effective dose. 1 2

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