Guides
Guides
How to read the numbers on Peptilyze, and what they leave out. Each guide explains a rule the site follows, in plain words.
- Price per mg explained
How price per mg is calculated for vials, pens and packs, what counts as the lowest price on Peptilyze, and why per mg is not the whole story.
- How Peptilyze compares prices
From shop feed to comparison table: how products are matched to compounds, which offers can be the lowest, and what we do not check.
- Reading a certificate of analysis
What a certificate of analysis usually lists, which details make one easier or harder to rely on, and why it remains the seller’s own claim.
- VAT and shipping in peptide prices
Why every price on Peptilyze is in euros including VAT, how we handle shops that list prices without VAT, and what the numbers leave out.