The l-aspartic acid in hydrolyzed ... from 0.5 to 10.0 U/mL (1 U will liberate 1.0 μg phenolphthalein from phenolphthalein glucuronide per hour at 37°C at pH 5.0). Stock solutions of MUG ranging ...

Some testosterone-boosting dietary supplements contain the amino acid D-aspartic acid. Some studies support that D-aspartic acid can increase testosterone production, but other studies refute this.

Summary D-aspartic acid is an amino acid that is made in the body and obtained through the diet. It's important for brain function and the endocrine system. It's often marketed as a testosterone ...

Aspartic acid, also called aminosuccinic acid or aspartate, is a non-essential amino acid that is made naturally in the human body through dietary intake. Image ...