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.

a short-lived molecular configuration where the reaction energy is maximum—L-amino acid had much more electrostatic stability than its D-type counterpart, due to the geometrical arrangement of ...

L-citrulline is also a non-essential amino acid, meaning that your body makes it on its own. However, it’s produced at levels lower than what you’d get by eating watermelon or via supplementation.

Phenylalanine is an amino acid found in many foods. It exists in two forms — L-phenylalanine and D-phenylalanine. They’re nearly identical but have slightly different molecular structures (1 ...

Think about computer keyboards – almost all have the same configuration ... D. L. Hatfield, V. N. Gladyshev (2009). Genetic Code Supports Targeted Insertion of Two Amino Acids by One Codon ...

L-Lysine, or lysine, is an amino acid - which are organic compounds that link together to form proteins. Lysine is considered an essential amino acid because the body needs it but can't produce it.