- Alanine
- Amino acids
- Arginine
- Asparagine
- Aspartic Acid
- Carnitine
- Citrulline
- Cysteine and Cystine
- Dimethylglycine ( DMG )
- Gamma-Aminobutyric Acid ( GABA )
- Glutamic Acid
- Glutamine
- Glutathione
- Glycine
- Histidine
- Homocysteine
- Isoleucine
- Leucine
- Lysine
- Methionine
- Ornithine
- Phenylalanine
- Proline
- Serine
- Taurine
- Threonine
- Tryptophan
- Tyrosine
- Valine