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So you're setting up a metabolic study in the US or EU and need a reliable supply of retatrutide for those triple agonist —most buyers we work with are running in-vivo weight management or glycemic control protocols, and they care about consistent purity more than flashy claims.
It's a 4.1kDa peptide lyophilized as a white powder, >99% by HPLC, and we're packing it at 5mg per sterile vial (usually 10 vials to a box, but MOQ can flex depending on your order size). The CAS is 2381089-83-2, and it hits GIP, GLP-1, and GCG receptors—basically a triple agonist with a slight edge on GIP activation for satiety signaling.
Storage is straightforward: -20°C in a dry enviornment, and you'll get roughly 24 months shelf life from manufacture if you keep it sealed. We've had labs push it to 30 months or so without noticeable degradation, but I wouldn't recommend that for critical assays—better to use within the stated window.
What you get in order is a COA with the HPLC trace (purity data, batch number, the works), plus an SDS and sometimes a stability report if we've got one handy for that lot. For import into the UK or EU, we include a commercial invoice and packing list that clearly states "research use only" to avoid customs hiccups—no GMP certs here, it's not suited for human work.
One detail that catches first-time buyers off guard: the lyophilized cake can look slightly off-white in some batches (usually 2-4 weeks old), but it's still >99%—that's just residual buffer salts from the lyophilization process. Solubility is fine in water or PBS, just reconstitute gently to avoid foaming.
Also, we typically have stock for 5mg and 10mg vial sizes, but teh 5mg is easier to handle for smaller studies, and the pricing per mg drops a bit at volume. Confirm lead time if you're ordering more than 50 vials—we keep a buffer of about 200 vials in the EU warhouse, but the US hub might need 5-7 days.
We typically require a 10-vial minimum for first orders, but we can discuss smaller trial quantities if you're just starting out. Just reach out to our sales team.
Absolutely, we include a CoA with every batch showing HPLC and MS test results confirming the >99% purity. Just request it when you place your order.
It's soluble in water or buffer solutions — just add your solvent directly to the sterile vial and swirl gently. Avoid vigorous shaking to maintain peptide integrity.
We usually ship within 3-5 business days after order confirmation and payment. For larger custom orders, it can take up to 10 days.
That 24-month shelf life is for the dry, lyophilized powder stored at -20°C. Once reconstituted, it's best used within a few days if kept refrigerated.
