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Safety depends on the specific peptide, dose, formulation, sourcing, route of administration, and patient health history
Who Benefits from B12 Injections Patients with Documented Deficiency Blood work showing low serum B12 (below 200 pg/mL) confirms deficiency
Three compounds dominate the published research: BPC-157 (a gastric pentadecapeptide with unusual protease resistance), TB-500 (a synthetic fragment of thymosin beta-4), and GHK-Cu (a copper-binding tripeptide with broad ECM-modulating effects)
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