Sup guys, I just finished converting tren e powder into ready made and did my first injection a couple days ago. The day after I noticed pretty bad stomach cramps (which i never get) and this brings up a question. How do I know I wasnt sent short ester. I plan on doing one shot per week at 300mgs. I could brake up the shots into 2 per week or eod but I still would like to know for sure what I have. Any suggestions?