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Research shows that implementing COA (Certificate of Analysis) and HPLC (High Performance Liquid Chromatography) testing protocols gives researchers compounds for laboratory use

The absence of a defined receptor target means that batch-to-batch consistency in peptide identity and purity is particularly important, because the usual pharmacodynamic markers that guide concentration selection for receptor-targeted peptides are not available for this research tool

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Influence of vitamin C on markers of oxidative stress in the earliest period of ischemic stroke

Yes, it is available for research purposes in the U.S., but it is not FDA-approved for general medical use