L-alanine is a non-essential amino acid which has been found to aid in the metabolism of carbohydrates and sugar (1). It has also been found to increase immunity (2), provide energy for the muscle (3), brain and central nervous system (4).
1 – Felig, P. (1973). The glucose-alanine cycle. Metabolism, 22(2), 179-207.
2 – Schechter, I., Schechter, B., & Sela, M. (1966). Combining sites of antibodies with L-alanine and D-alanine peptide specificity and the effect of serum proteolytic activity on their estimation. Biochimica et Biophysica Acta (BBA)-General Subjects, 127(2), 438-456.
3 – Odessey, R., Khairallah, E. A., & Goldberg, A. L. (1974). Origin and possible significance of alanine production by skeletal muscle. Journal of Biological Chemistry, 249(23), 7623-7629.
4 – Monaghan, D. T., Bridges, R. J., & Cotman, C. W. (1989). The excitatory amino acid receptors: their classes, pharmacology, and distinct properties in the function of the central nervous system. Annual Review of Pharmacology and Toxicology, 29(1), 365-402.