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Repeated injection into the same site causes tissue damage and reduced absorption Bloodwork: If running any GH-axis compound for more than 8 weeks, get IGF-1 tested at baseline and at 6-8 weeks Source quality: Every benefit described in every article on this site is contingent on compound purity

doi:10.3390/ph17040461 McGuire FP, Martinez R, Lenz A, Skinner L, Cushman DM

There is also a reason the combination is difficult to test cleanly: because both compounds act on overlapping repair pathways (angiogenesis, cell migration), a study of the two together struggles to attribute any observed effect to either one

People concerned about muscle loss during GLP-1 therapy may find the combination appealing

Those findings require a careful workup to rule out more urgent conditions

That finding alone makes it worth considering for anyone struggling with GI-related side effects
