Rice Protein Peptide is a low-molecular-weight bioactive peptide derived from enzymatic hydrolysis of rice protein, extracted from non-genetically modified rice (Oryza sativa L.). Rich in essential amino acids, particularly branched-chain amino acids (BCAAs), it offers a hypoallergenic, plant-based alternative to animal-derived proteins. These small peptides are rapidly absorbed and exhibit multiple biological activities, including antioxidant, anti-inflammatory, and immunomodulatory effects, making them a valuable ingredient in sports nutrition, functional foods, and cosmeceuticals.