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"Effects of Specific Bioactive Collagen Peptides in Combination with Concurrent Training on Running Performance." Nutrients , 15(20), 4300

Nishikawa H, Enomoto H, Yoh K, Iwata Y, Hasegawa K, Nakano C, et al

Prevents oxidative stress

Certificate of Analysis Each batch is tested by an independent third-party laboratory for: Peptide identity verification Purity analysis via HPLC (99%) Microbial contaminant screening Heavy metal analysis Residual solvent testing Description FOXO4-DRI is a D-retro-inverso peptide designed to interfere with the FOXO4-p53 interaction, supplied as a lyophilized 10mg vial

PLoS One 10, e77966 (2013)

The trace should show one dominant peak