Peptide Crafters
Online seller of research peptides with a 76-item public catalog, a testing page.
As of October 19, 2026, Peptide Crafters publishes a public certificate-of-analysis (COA) or test-results page and names no outside testing lab on the pages we read, and mentions endotoxin and sterility testing. We found no FDA warning letter naming it. We have not tested its products. FDA record.
- COA / test page
- Published
- Labs named
- None found
- FDA warning letter
- None found
- Listed $/mg
- $2.25–$10.00
- Catalog matched
- 47 compounds
Quality & trust signals
What Peptide Crafters' own pages say, with the page and the date we read it. Vendor claims are labeled as such; we have not independently tested products.
- Research-use-only notice
- Yes — the site says: “Submit an enquiry For research use only Products are supplied for in vitro laboratory research”
- Peptide Crafters — site copyChecked
- HPLC mentioned
- Vendor copy: “01 — HPLC Analysis verified: purity, identity, mass, Variance 02 — Micro Testing”
- Peptide Crafters — site copyChecked
- Endotoxin testing mentioned
- Vendor copy: “Endotoxin & sterility tested”
- Peptide Crafters — site copyChecked
- Sterility testing mentioned
- Vendor copy: “Endotoxin & sterility tested”
- Peptide Crafters — site copyChecked
- Regulatory status: FDA warning letter
- None found naming Peptide Crafters in FDA's warning-letter records.
- FDA — warning lettersChecked
Peptide Crafters prices per mg
Prices listed on Peptide Crafters' own product pages on October 19, 2026, for the five compounds we track. Price per mg = listed price ÷ total mg (vials × mg per vial). Research use only.
Compounds in Peptide Crafters' catalog (47)
Products in Peptide Crafters' public catalog on October 19, 2026 that we matched to a compound profile. Listing is not verification of identity or purity.
5-Amino-1MQAdamaxAOD-9604ARA-290BPC-157BPC-157 + TB-500 blendCagrilintideCardiogenCartalaxCJC-1295CJC-1295 + ipamorelinDSIPEpithalonFOXO4-DRIGHK-CuGLOW blendGlutathioneIGF-1 LR3IpamorelinIpamorelin + tesamorelin blendKisspeptin-10KLOW blendKPVL-carnitineLL-37Melanotan IMelanotan IIMOTS-cOxytocinPinealonProstamaxPT-141RetatrutideRiginSelankSemaxSermorelinSNAP-8SS-31TB-500TesamorelinTestagenThymalinThymogenThymosin alpha-1TirzepatideVIP
Peptide Crafters FAQ
Does Peptide Crafters publish certificates of analysis (COAs)?
Yes. Peptide Crafters' site links a testing or COA page. Match any certificate to the lot number on the vial you receive.
Has the FDA sent Peptide Crafters a warning letter?
We found no FDA warning letter naming Peptide Crafters in fda.gov's warning-letter search on October 19, 2026.
How much does Peptide Crafters charge per mg?
On October 19, 2026 its listed prices ranged from $2.25 to $10.00 per mg across 18 products we could verify (BPC-157, TB-500, semaglutide, tirzepatide or retatrutide). See the table on this page.
Is Peptide Crafters legit?
We don't rate vendors. What we can verify: it links a testing page, no outside lab named, and no FDA warning letter found. Its products are sold for research use only.