BPC 157 and TB 500 can be mixed together, and many people do this for convenience. TB 500 is the shorter version of thymosin beta 4. The full thymosin beta 4 has some immune effects, while TB 500 The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University Revolutionizing Recovery: How Dr. Lundquist is Using BPC 157, TB 500, and Regenerative Therapies to Accelerate Healing Active Life Pain Center PEPTIDE POWER: Harmonify's BPC 157 + TB 500 combines two of the most promising research based peptides for repairing tissue, reducing inflammation, and speeding up healing. WHY THEY'RE USED TOGETHER: BPC 157 support for BPC 157 + TB 500 Blend 20mg Research Peptide PRG