Negative feedback suppression

1 study on Negative feedback suppression mechanism curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

2026-04-03 PubMed · n=100

GHRP-2 masks rhGH doping by cutting Rec/Pit ratio 39.9–43.9% in males

**GHRP-2 is an active masking agent for rhGH doping** that can depress a positive isoform test result by more than half — anyone combining GHRP-2 with rhGH for performance enhancement should understand this interactio…

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