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It’s strictly for research use—never intended for human consumption, so don’t even think about in vivo work without proper protocols, but for in vitro assays or preclinical trials, the ≥99% purity (HPLC verified) actually holds up better than a lot of what we see form non-GMP labs, and that’s what most buyers in the retatrutide space are after anyway.
The lyophilized powder comes in sterile glass vials, and we’ve got eight sizes—2mg, 5mg, 10mg, 15mg, 20mg, 30mg, 50mg, 60mg—so you can order exactly what you need without wasting powder, though the 50mg vial is the one most people go with for, about 2-3 weeks typical dilevery.
We also run Mass Spec, not just HPLC, which catches the odd dimer or aggregate that a single method might miss even at 99%+, and it’s stored at -20°C in a dry enviornment; shelf life is 24 months, but we’ve had vials go 30 months or so with negligible degradation if you don’t open them.
What it’s not suited for is solubility in water—it’s only slightly soluble in water and DMSO, so you’ll need to reconstitute with a small amount of DMSO first (usually 20-50 µL per mg) before diluting further, and basically any aqueous buffer at neutral pH will give you a haze if you skip that step.
Also, GMP cert is real—ISO 9001 too—but we don’t guarantee lead times on custom vial sizes if you’re ordering less than 20 units, so confirm stock before you lock down your protocol, because teh 15mg size seems to sell out faster than the 10mg for some reason.
Yes, we provide HPLC and mass spectrometry reports with every batch. Just let us know which lot number you need and we’ll send them over.
There’s no strict MOQ on the WL-Series—you can order single vials if you want. For larger sizes like 60mg, we suggest checking stock first since those move faster.
We ship lyophilized powder in sterile glass vials packed with ice packs in insulated containers. Just make sure someone’s there to receive it and get it into a -20°C freezer quickly.
Absolutely, we can do custom vial sizes and private labeling for the WL-Series. Minimums apply for custom runs, so reach out with your specs and we’ll get you a quote.
Yes, our GMP and ISO 9001 certifications are available for review under a mutual NDA. Just contact your sales rep to start the process.
