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How to store lyophilised peptides in a research setting: −20 °C, 2–8 °C, light, moisture and shelf life after reconstitution.

Purity explained: what the percentage on an HPLC report says, what the remaining 2% is and why batch details matter for research.

Why are research peptides supplied freeze-dried? An explanation of lyophilisation, stability, the appearance of the powder and what is normal.

Can a freeze-dried peptide go a few days without cooling? An explanation of stability in transit, what to do on receipt and how we ship.

A checklist for choosing a research peptide supplier in Europe: verifiable purity, labelling, delivery, payment options and customer service.

An overview of the research history of GHK-Cu, from its identification in the 1970s to current areas of study. For informational purposes only.

An overview of the published research on retatrutide (LY3437943): its triple receptor profile, phase 2 data and the phase 3 TRIUMPH programme.

BPC-157 and TB-500 are different compounds with different backgrounds in the literature. A neutral side-by-side comparison in a research context.

What bacteriostatic water is, what benzyl alcohol does and why it is a common solvent for freeze-dried research compounds. Laboratory context only.

Background on GHK-Cu, the copper tripeptide, and what to check when choosing a research-grade supplier: purity, COA, labelling and delivery.