BPC-157 (Body Protection Compound 157) is a synthetic pentadecapeptide composed of 15 amino acids with the sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, originally derived from a protein fragment identified in gastric tissue. Since its discovery in the early 1990s, BPC-157 has been studied extensively in controlled experimental settings for its potential influence on molecular signaling, structural remodeling, and angiogenic processes. It promotes angiogenesis via VEGF pathways, enhances collagen synthesis, and modulates nitric oxide signaling. Research has demonstrated consistent activity across musculoskeletal, gastrointestinal, vascular, and neurological injury models, positioning it as a widely explored compound in regenerative preclinical research.
TB-500 is a synthetic peptide fragment corresponding to an active region of thymosin beta-4, a naturally occurring actin-sequestering protein present throughout the human body. Thymosin beta-4 was first identified in thymic tissue in the 1960s as a component of the thymosin fraction. Since its characterization, the active TB-500 fragment has been studied in controlled experimental settings for its potential influence on actin dynamics, cellular migration, vascular remodeling, and tissue regeneration processes.