GLOW is a research blend rather than a single peptide or defined pharmaceutical compound. Common formulations combine GHK-Cu, BPC-157, and TB-500, three distinct peptides that have been investigated individually in preclinical research. Exact composition and ratios can vary by supplier, so the product specification should always be verified against the applicable batch documentation.

Research involving the individual components has examined areas including extracellular-matrix signaling, cellular migration, vascular pathways, cytoskeletal organization, and related tissue-biology processes. However, evidence from studies of the individual peptides should not be interpreted as evidence that the GLOW combination itself produces the same effects. The specific combination has not been established as an approved therapeutic product or validated treatment.

For laboratory applications, GLOW may serve as a multi-compound research material for controlled studies investigating interactions between its constituent peptides and related cellular pathways.