4 Untargeted metabolomics factorization reveals differentiation-linked metabolic states
However, WADA is very strict about Section S2, which covers "Peptide Hormones, Growth Factors, Related Substances, and Mimetics." This section includes things like: Erythropoietins (EPO) Peptide hormones and their releasing factors Growth factors affecting muscle, tendon, or ligament protein synthesis Because "collagen peptides" share half their name with these banned substances, athletes often get nervous
J Orthop Surg Res 14 , 199 (2019)
at the 8mg/week cohort it covers approximately 3.75 weeks
Although this deviation could be due to relatively small sample size, our results for GSTP1 must be taken with caution and future studies will be needed to comprehensively assess the effect of this variant