Heat exposure, freezing, moisture, and improper handling can all affect peptide stability, making preparation just as important as the destination itself
Board PG, Baker RT, Chelvanayagam G, Jermiin LS
Reversal of hyperglycemia and diabetic nephropathy: effect of reinstitution of good metabolic control on oxidative stress in the kidney of diabetic rats
You can tell this upon injection
Lastly, keep in mind that most studies showing efficacy of GLP-1 agonists for weight loss usually require participants to make lifestyle modifications such as changes in diet and exercise, to control portions and eat high nutrient, low energy foods and move more while taking the medications
( Kennedy, D