does topical ghk cu lower igf 1 GHK-Cu - 200MG (Topical) GHK-Cu Scalp Solution | Empower
Description
The most common experiences include slight nausea (particularly with first doses), minor fatigue or drowsiness, temporary dizziness, injection site reactions like mild redness or itching, and sleep disturbances (usually with evening dosing)

doi: 10.1002/advs.201900610

Reconstitute lyophilised GHK-Cu with sterile bacteriostatic water (0.9% benzyl alcohol) for research protocols requiring extended storage stability

What they do produce is a substantial improvement in the quality and recovery of training, body composition over time, and markers of biological age
