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The preservative is included to help limit microbial growth during handling in controlled laboratory environments

Cancer 16 , 650662 (2016)

This does not mean the findings are wrong

Protective effects of PEP-1-GSTA2 protein in hippocampal neuronal cell damage induced by oxidative stress

Promoting lean muscle growth and reducing fat mass helps improve overall body composition

"From a consumer-buyer-beware standpoint, anytime you consume or inject something where you don't know what you're taking, there's the possibility of adverse health effects, and that's concerning," said Matt Fedoruk, USADA's chief science officer.