9th Edn., National Academy Press, Washington, DC, USA, ISBN-13: 9780309048927, Pages: 176
Oxid Med Cell Longev 2013, 972913.CrossRefGoogle ScholarPubMed
Reported benefits (per available research): Studied for its ability to produce sustained, dose-dependent increases in growth hormone and IGF-1 secretion in a Phase 1 human trial in healthy adults, published by Teichman et al
In contrast, oral GLP-1 pills face the challenge of surviving the digestive process, which means only a fraction of the medication actually reaches your bloodstream
Once absorbed, intracellular esterases remove the acetyl group to release free glutathione
While constipation can be an ongoing challenge with GLP-1s, most people find that simple habits like hydration, fiber, and movement are enough to keep it under control