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They even have a headline in their FAQ saying they specifically only recommend Hospira and to actively avoid vendor bac

Proc Natl Acad Sci USA 77:2023

Hydration Levels: The BIVA Graph tracks your hydration status, ensuring you stay properly hydrated, which is essential for optimal body function

MK-677 works through that same ghrelin-receptor pathway but is chemically a small-molecule compound, not a true peptide, even though bodybuilding content routinely groups it with the others
