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What to check when buying research peptides
Five things worth confirming before an order, and what each one changes about what arrives.
Reference only. This page covers what the compound is, how it is presented and how it is handled. It does not give dosing protocols or administration schedules, and it is not medical advice.
| Check | Why it matters |
|---|---|
| Batch documentation | A certificate of analysis should name the batch, the method and the date. For research peptides the certificate is the only thing that ties a stated purity to the vial in front of you, so a certificate with no batch number is not evidence about your item. |
| Stated strength | Compare on cost per milligram rather than cost per unit. Where a listing states no strength, no cost per milligram can honestly be calculated for it. |
| Storage on arrival | Storage conditions are stated on the batch documentation. Anything supplied refrigerated should arrive cold. |
| Where it ships from | Stock held in the UK clears no customs and carries no import step. For research peptides that is the single largest difference in how quickly an order arrives. |
Presentation is the common trap
Short amino-acid sequences, supplied either as a lyophilised powder in a sealed vial or already in solution in a pre-filled pen. Which of the two arrives changes how it is stored and how long it stays usable once opened.
Stocked at The PED Shop
Quanta Pharma BPC-157 5mgin stock£16
Quanta Pharma GHK-cu 50mgin stock£30- SerenQ BPC-157 10mg Peptide Penin stock£45
- SerenQ GHK-Cu 50mg Peptide Penin stock£40
- SerenQ Glow Peptide Penin stock£85
- SerenQ Heal 10mg Peptide Penin stock£50
- SerenQ TB500 10mg Peptide Penin stock£55
Quanta Pharma TB500 5mgin stock£25
Availability checked 2026-09-09. The product page carries live stock.