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Both peptides are banned by WADA and major sports leagues

Koi Research Labs LLC is a chemical supplier, not a compounding pharmacy under 503A nor an outsourcing facility under 503B of the Federal Food, Drug, and Cosmetic Act

Benzyl alcohol is a widely used pharmaceutical and laboratory preservative that disrupts bacterial cell membrane integrity and inhibits bacterial enzyme systems preventing microbial growth and maintaining the sterility of the reconstituted solution between uses

For a broader look at handling peptide products, see our peptide storage guide

Moreover, phospho-BCL-XL (Ser62) stabilizes G2 arrest by binding to and co-localizing with Cdk1 (cdc2) in nucleolar structures to avoid rapid nucleolar disassembly associated with mitosis onset, playing an unexpected role in the G2 phase checkpoint downstream of DNA damage distinct from its anti-apoptotic function 22

But it is a clinically interesting story