If you see both options, choose based on price, supplier reputation, and product testing
TB-500 (Thymosin Beta-4) Research Wound Healing, Angiogenesis & Keratinocyte Migration (PubMed, 1999) A foundational pre-clinical study published on PubMed investigated Thymosin Beta-4 (TB4) in a rat full-thickness wound model
This classification is similar to most countries worldwide, where BPC-157 remains in research chemical status pending completion of human clinical trials
Wound and Gut Healing Endogenous BPC production in the stomach maintains the integrity of the entire GI tract, protecting the mucosal barrier from acids and exogenous substances and foods that are known to damage tissues
Choose reputable sources to ensure quality and safety Look for reliable brands that are transparent about sourcing, ingredient purity, and safety, ideally backed by third-party testing and customer reviews