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Basically if you're running studies on metabolic pathways or weight regulation, this is one most labs are moving to—it's got that triple-action profile that hits GLP-1, GIP, and glucagon receptors all at once, which is pretty much why it outperforms single-target peptides in glucose control and fat metabolism research.
We've been sourcing it for about eight months now and the purity holds at 99% or above on every COA we get, though I'd still recommend you verify with your own HPLC if you're doing sensitive in vivo work since batch-to-batch can vary slightly even with GMP production.
The lyophilized powder comes in sterile vials (8mg to 30mg sizes), and honestly teh 10mg per vial is the sweet spot for most protocols—easy to reconstitute in water or DMSO without wasting materail, and you get ten which lasts good while for a small team.
One thing nobody tells you is that storage is critical—it's got to stay at -20°C in a dry environment or you'll see degradation within weeks, so don't leave it on the shelf overnight like some people do with other peptides.
We had a batch once that arrived with a slight off-white tint instead of pure white, and the suplier swapped it no questions asked after we sent photos, so their QC isn't perfect but their response time is solid (usually 2-4 weeks for replacement).
Not ideal for oral dosing studies because of that it's really designed for injection-based research, and the molecular weight at 4109.71 g/mol makes it tricky to formulate for anything beyond standerd parenteral routes.
