Plain-language guides for research buyers: certificates of analysis, purity, storage, reconstitution and how to choose a supplier.
Milligrams in the vial, millilitres of water, units on the syringe. One formula connects them, and the calculator on this site does it for you. Here is the logic so you can sanity-check the result.
Read articleBatch COAs, EU shipping, honest labels, real support. Ten things to check before you send money to any peptide supplier, including us.
Read articleBoth are water. One of them keeps a multi-draw vial usable for weeks, the other is meant to be used once. Which to pick, and how to reconstitute without wasting a vial.
Read articleHeat, light, moisture and repeated freeze-thaw cycles are what degrade a peptide. A short guide to storing sealed vials and reconstituted solution the way a lab does.
Read articleTwo vials can both say 99% and still be different products. Purity, net peptide content and identity are three separate things. Here is how to read them together.
Read articleA COA is the lab report behind a vial. Here is what each line means, how to match it to the batch in your hand, and the red flags that should make you walk away.
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