Fecha de publicación: -- Fuente: WIPO "tomato" A method of removing acetic acid from N-acetyl beta alanine is disclosed. The method comprises micronizing a pre-existing N-acetyl beta alanine product, washing the micronized product with a non-polar solvent, and isolating the washed product to produce an N-acetyl beta alanine composition substantially free of acetic acid impurities. Also disclosed is the resulting composition substantially free of acetic acid impurities, as well as methods of supplementation using the composition with reduced organoleptic adverse effects associated with acetic acid.