Frequently asked questions
Everything you need to know about comparing peptide prices safely.
What is Peptides Market?
Peptides Market is an independent South African price-comparison site. We scrape peptide suppliers daily, normalise their listings into comparable products, and show live prices, price-per-mg, delivery costs and trust signals in one place. We do not sell or supply any products.
How does the trust score work?
Each supplier is scored 0–100 from signals such as lab testing claims, COA availability, whether they operate their own lab, and whether they resell. A higher score means more positive trust signals — but it is not a guarantee. See our methodology page for the full breakdown.
What is price-per-mg?
Price-per-mg is the product price divided by its milligram dosage. It lets you compare value across different vial sizes fairly. It is only calculated for milligram (mg) products — IU/ml products show a dash instead.
Why does the same peptide cost different amounts at different shops?
Suppliers have different dosages, vial sizes, delivery fees and overheads. We normalise listings so you can compare like-for-like, and we always show the cheapest price and the full range.
What does "lab tested" mean?
It means the supplier claims their products are tested by a third-party lab (usually HPLC). We surface the claim as a badge — always confirm the lab report directly with the supplier before ordering.
What is a COA?
A Certificate of Analysis is a document from a lab describing a product’s tested purity and composition. Suppliers who provide COAs are flagged with a badge.
How often are prices updated?
We re-check every supplier about every 12 hours. The comparison pages also refresh their timestamps from our live data feed, so you can see how fresh the prices are.
How do I track a peptide or supplier?
Tap the star on any peptide or supplier page to add it to your watchlist. We remember what you watch so you can find your starred peptides and suppliers quickly from the header star menu.
What are the delivery options?
We show each supplier’s delivery terms: flat fee, free delivery, or free above a spend threshold. The comparison table also estimates a delivery-inclusive total.
I’m a supplier — how do I opt out or get listed?
We respect robots.txt. To stop us crawling your store, add "User-agent: PeptidesMarketBot" and "Disallow: /" to your robots.txt (a blanket "User-agent: *" rule also works). To be included, just leave Peptides Market out of your disallow rules. See our methodology page for the exact snippet.
Do you sell peptides?
No. We compare prices and link out to suppliers. All products are for in-vitro research use only — always confirm legality, safety and supplier credentials yourself.