IGF-1 levels tell GH medication efficacy and security, with aims to stay in age-proper stages
https://emilianofbmx562.hexaforgey.com/posts/gh-growth-hormone-how-it-supports-normal-pediatric-development
IGF-1 stages tell GH healing efficacy and security, with targets to stay in age-brilliant stages, lowering disadvantages of overexposure and guiding dose titration.