Carnosine & Beta-Alanine: Anti-Glycation & Muscle Buffering

Carnosine is a dipeptide (beta-alanine + histidine) concentrated in muscle and brain tissue. It serves as an intracellular buffer (neutralizing acid during intense exercise), an anti-glycation agent (preventing the formation of advanced glycation end products, or AGEs), and a zinc chelator. Its synthesis is limited by beta-alanine availability, which is why beta-alanine is the supplement of choice for raising carnosine levels.

Anti-Glycation Properties

Glycation is the non-enzymatic binding of sugars to proteins, forming AGEs that contribute to aging, diabetic complications, and tissue stiffening. Carnosine acts as a sacrificial target for glycation (protecting other proteins) and may also directly inhibit AGE formation. This has made it a compound of interest in aging and diabetes research.

Food Sources

Carnosine is found exclusively in animal tissues, with the highest concentrations in beef, poultry, and pork. Beta-alanine supplements (which raise carnosine levels more effectively than carnosine supplements) typically cause a harmless tingling sensation (paresthesia) at higher doses.