If you pick up a vial weeks later and cannot remember how much water you added, you have no way to calculate accurate doses
Artunc-Ulkumen B, Pala HG, Pala EE, Yavasoglu A, Yigitturk G, Erbas O (2015) Exenatide improves ovarian and endometrial injury and preserves ovarian reserve in streptozocin induced diabetic rats
Importantly, their glucose-dependent mechanism means insulin secretion only occurs when blood glucose levels are elevated, substantially reducing hypoglycaemia risk
Thats without even mentioning the urgent need to find sustainable methods of peptide synthesis
This is common and clinically appropriate
Coadministration of glucagon-like peptide-1 during glucagon infusion in humans results in increased energy expenditure and amelioration of hyperglycemia