N-Acyl-α-amino acids are a class of organic compounds that exhibit diverse biological activities and applications in various fields, including pharmaceuticals, cosmeceuticals, and flavor additives. These molecules contain an α-amino acid with an acyl group attached to the nitrogen atom of the amino group, leading to structural diversity depending on the specific amino acid (e.g., alanine, valine) and the nature of the acyl substituent (e.g., acetyl, propionyl). Structurally, N-acyl-α-amino acids often possess enhanced lipophilicity compared to their corresponding free α-amino acids, which can improve their solubility in organic solvents and facilitate their cellular uptake. Their unique physicochemical properties make them valuable intermediates for the synthesis of complex molecules or as bioactive compounds themselves. In pharmaceutical applications, N-acyl-α-amino acids have shown potential as chiral precursors for drug development due to their ability to form stable stereoisomers. They are also investigated in the treatment of various diseases, including neurodegenerative disorders and inflammatory conditions, owing to their anti-inflammatory and antioxidant properties. In cosmeceuticals, N-acyl-α-amino acids have gained attention as effective skin conditioning agents and free radical scavengers, contributing to the development of anti-wrinkle creams, moisturizers, and sun protection products. Additionally, these compounds can be used in flavor additives for food and beverages due to their pleasant taste profiles. Overall, N-acyl-α-amino acids represent a promising class of molecules with versatile applications across multiple industries, driven by their unique structural features and biological activities.