Peptide United

Research comparison

BPC-157 vs TB-500

Side-by-side comparison of research status, mechanisms, pharmacokinetics, and administration routes.

BPC-157

Body Protection Compound 157 · PL 14736

Preclinical

BPC-157 is a 15-amino-acid peptide fragment derived from human gastric juice. It is one of the most extensively researched peptides for tissue repair, demonstrating accelerated healing of tendons, ligaments, muscle, bone, and gut lining in animal models. It appears to upregulate growth hormone receptors and promote angiogenesis at injury sites.

Research Status

Preclinical Research

Half-Life

~4 hours (subcutaneous); oral stability under investigation

Molecular Formula

C₆₂H₉₈N₁₆O₂₂

Molecular Weight

1419.55 Da

CAS Number

137525-51-0

Research Categories

Healing & Recovery, Pain & Inflammation, Cognitive Enhancement

Routes of Administration

Subcutaneous (SQ)Intramuscular (IM)Oral
TB-500

Thymosin Beta-4 Fragment · Tβ4 fragment

Preclinical

TB-500 is a synthetic version of the active region of Thymosin Beta-4, a naturally occurring peptide found in virtually all human cells. Research shows it promotes actin polymerization and cell migration, which accelerates wound healing, muscle repair, and vascular growth. It is particularly studied for its ability to reduce inflammation and promote cardiac tissue repair.

Research Status

Preclinical Research

Half-Life

~6–8 hours

Molecular Formula

C₂₁₂H₃₅₀N₅₆O₇₈S

Molecular Weight

4963.44 Da

CAS Number

77591-33-4

Research Categories

Healing & Recovery, Muscle & Performance, Cardiovascular

Routes of Administration

Subcutaneous (SQ)Intramuscular (IM)

Full mechanism comparison

Mechanism of action, pharmacokinetics, and research findings comparison available on the Researcher plan.

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