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Its distinctive blue colouration in lyophilised form is characteristic of the copper-bound complex, and its dual identity as both a peptide and a metal-ion chelator has made it a uniquely versatile compound in peptide research environments

References Teichman, S

Because of that difference, research protocols schedule them differently: BPC-157 features far more frequently, while TB-500 appears on a much less frequent schedule, often with an initial higher-frequency phase followed by a lower-frequency one

For context on how this compares to other peptide administration schedules, the fat loss peptide overview covers dosing frequency across multiple compounds

It has more human studies behind it than the other peptides, mainly out of Eastern Europe