NOW Foods L-Proline 500mg 120 KAPS.

L-Proline is an amino acid that is essential for the synthesis of collagen, the most abundant protein in mammals. Collagen is the main structural protein that constitutes all human connective...

IngredientsOther Ingredients Gelatin, Cellulose, Magnesium Stearate.

 

L-Carnosine is classified as a dipeptide, which is a combination of two amino acids, in this case alanine and histidine. It naturally occurs in high concentrations in skeletal muscle tissue, and...

L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin.*...