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We're looking at quite a mix here—NAD+, Melanotan II, MOTS-C, GHK-Cu, and Retatrutide all in one set, and what it really comes down to is the documented purity overhead, with each batch running ≥99% by HPLC before we even think about vials (and that COA comes with every order).
The sterile lyophilized powder in those 2mg or 5mg vials is pretty standerd for reconstitution work, but we've found the endotoxin levels stay under 0.1 EU/mg across most runs, which beats many lower-tier supliers who don't even test for that.
Most buyers go with teh 5mg vials for stock reasons—fewer vials to track in the freezer—but if you're running small-scale panel assays, the 2mg sizes actually waste less compound per experiment, since reconstituting a whole 5mg vial for a single test is roughly half a day's reagent sunk.
Storage is straightforward but critical: keep them protected form light at -20°C, and you'll get about 24 months or so before any noticeable drop-off, though I've seen some GHK-Cu batches hold up longer in deep freeze than others.
Actually, one thing that catches new researchers off guard is the water solubility—it's good for most protocols, but not all peptides dissolve identically, so we usually recommend a quick vortex after reconstitution, then let it sit for 2 minutes, something we started doing after watching someone crash a Retatrutride batch by shaking too hard.
The cGMP compliance and sterile filtration are baked in, but this set isn't suited for any human work whatsoever—it's purely for lab use by trained folks who already know how to handle lyophilized peptides safely. Lead time is typically 2 weeks for stocked lots, give or take a few days depending on your courier.
We ship within 3-5 business days after order confirmation. If we have stock ready, sometimes it goes out in 24 hours.
Yes, the MOQ is 10 vials per compound, but you can mix and match across the different peptides in the same order.
Absolutely — we include a COA with every shipment, showing HPLC and MS results. Just request batch-specific docs and we'll share them.
Yes, all vials are sterile filtered and the endotoxin level is <0.1 EU/mg. They're cGMP compliant and ready for research use.
Keep them at -20°C, protected from light. Once reconstituted, use immediately or store at 2-8°C for up to 3 days.
