How third-party testing works

Good testing answers a chain of questions in order: is this the right compound, how much of it is the target, is there enough of it in the vial, and is it free of contamination? Every Elisvon batch is put through a five-test panel by Freedom Diagnostics Testing that answers each one.

Identity comes first. Mass spectrometry ionises the sample and measures its molecular mass, then compares that against the known mass of the target peptide. A match rules out a mislabeled or substituted compound — you cannot trust a purity number until you know what you are measuring the purity of.

Purity is measured by reversed-phase high-performance liquid chromatography (HPLC), which separates the target compound from related impurities so each appears as its own peak. The area under the target peak, as a percentage of all peaks, is the purity figure — and the chromatogram itself is published so you can see the peak, not just the number.

Net content confirms the vial actually holds the labeled amount of material. Using a calibrated reference standard, the lab quantifies how much target peptide is present and checks it against the claim — because a vial can be highly pure and still be under-filled.

Endotoxins are heat-stable bacterial fragments that survive sterilisation and can skew sensitive assays. The LAL (Limulus Amebocyte Lysate) test, the pharmaceutical-industry standard, detects and quantifies them. Heavy metals — lead, arsenic, cadmium, mercury and others — are screened by ICP-MS down to parts-per-billion against established safety limits. Both are premium checks that many suppliers skip; we publish them.

Every method has limits, and a single number never tells the whole story. That is why we publish the full certificate — all five tests, tied to the lot — not just a headline figure.