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Emmanuel Andrs, Thomas Vogel, Laure Federici, Jacques Zimmer, Ecaterina Ciobanu and Georges Kaltenbach

Originally, bodybuilders were drawn to peptides for muscle gains and the promised benefits to physique

Composition GHK-Cu: 100 mg Appearance: lyophilized powder in a sealed research vial Research Focus (non-clinical) Peptide identity and purity assessment Assay development and calibration for quantitative analysis Chromatographic method optimization for impurity profiling Stability characterization of a lyophilized peptide under laboratory storage conditions Documentation Lot-specific COA available Batch and lot traceability Important Notice For research use only Not for human consumption Not intended to diagnose, treat, cure, or prevent any disease Quality & Manufacturing Lot-specific COA Lyophilized for transit stability

These are not minor differences of degree

Methylmalonic acid in serum from patients with neurological symptoms consistent with cobalamin deficiency

Therefore, any TB4 that is available would be marketed as a research peptide that falls outside the scope of regulatory oversight