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In one study involving men between 60 and 78 years of age, administration of Sermorelin increased both growth hormone and IGF-1 concentrations to levels approaching those typically observed in younger men

Its a 15-amino-acid peptide originally derived from a protective protein naturally found in human gastric juices, and it has been studied for more than 30 years by multiple independent research groupsmost notably teams in Croatia and Taiwan

Collagen supplements and now GLP-1 are among peptides that have heavy science backing them and tons of users world wide

Key: - Compatible: Safe to run together

[ 2 ] [ 3 ] [ 4 ] One of the most effective peptides in this category is GHK-Cu, which is also known as copper tripeptide-1