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Shift Four synthesizes research-grade peptides to exacting purity — each verified by independent HPLC and mass spectrometry, and catalogued with its certificate of analysis.
Every vial is a study in precision — synthesized, independently verified, and documented before it earns the label.
Body Protection Compound, a stable gastric pentadecapeptide.
Selective growth-hormone secretagogue pentapeptide.
Long-acting GLP-1 receptor agonist research peptide.
Synthetic fragment of the actin-regulating protein Thymosin β4.
Selective growth-hormone secretagogue pentapeptide.