I bought a 10-pack of GLP-2 30mg from NextGen in mid-February 2026, along with a single vial of Reta. Pre-shipment processing took about a day longer than I'm used to, but I think they were about to move to a new warehouse and the small delay was no big deal. My products arrived looking really slick and upscale, perhaps the nicest branding and packaging I've seen, but a few days into my first vial my research rat began to feel as if she was steadily reverting to a pre-Tirz state. Symptoms included (among others) frequent hunger pains, loud tummy gurgling, mental "food noise", low blood sugar and weakness between meals. I increased the dosage, in case it was a sudden plateau, but the product never felt like it was working. Simultaneously, my rat reported a wave of skin pains, torso leg and foot aches, tiredness, dizziness, and headaches. Allodynia can be an indicator of diabetes and this subject was pre-diabetic before starting her tirzepatide testing, but her condition had been largely controlled for the previous four months, and the symptoms never manifested this aggressively in the past. By the middle of the second vial, she was bloated and gaining weight, exhausted from lack of sleep, taking large frequent doses of nsaid pain killers, and barely able to get off the couch. I couldn't afford self-funded testing, in fact I barely had enough money for another order, but I decided to set the NextGen product aside, and find a replacement elsewhere. There was a big stink in March about grey vendor GLP-2 that wasn't Tirz at all, and multiple vials from several vendors were testing positive for endotoxins, so considering the timing and the fact that most domestic peptide supply lines can be traced back up the chain to one of the same 5 big Chinese manufacturers, I always wondered if I just happened to get a bad batch. I finally reconstituted and researched my single vial of NextGen Reta, in June, and that one seemed fine.