Where to get retatrutide tested — lab recommendations

2026-08-30 260 views 4 posts

Got retta from a research supplier and want to get it tested. Last time I used Janoshik and results came back 98.4% pure. What labs are people using for HPLC testing? How long does it take and what should it cost?

I switched from sema to tirz about 3 months ago. Big improvement in appetite suppression and fewer side effects. Down 51 lbs since switching. Everyone's different but for me it was the right call.

I could have written this post. Down 38 lbs in a similar timeframe. The mental shift is bigger than the physical one, honestly. I feel like a different person.

Following because I'm in the same boat. Week 12, 5mg, and the plateau is real. I'm trying to be patient but it's frustrating.