Compounded pharmacies, while operating under high standards, often default to the more conservative recommendation unless they have performed their own specific stability testing for a longer duration
Each one is powerful in its own way: Glutamine: A core part of proteins and essential for immune system support
GLP-1 enhances glucose absorption and utilisation in muscle and adipose tissue by facilitating the translocation of GLUT4 to the cell membrane (Chang et al
Reported benefits (per available research): Studied for its ability to raise GH and IGF-1 toward youthful levels and blunt age-related loss of fat-free mass, based on a 2-year randomized, placebo-controlled trial in 65 healthy older adults (Nass et al., 2008, Annals of Internal Medicine, PMID 18981485)
For more material per pack there is also a GHK-Cu 100mg vial
Take 80-125mg after meals or when burping becomes bothersome