Royal Peptides
Online seller of research peptides with a 139-item public catalog, a testing page naming Janoshik.
As of October 19, 2026, Royal Peptides publishes a public certificate-of-analysis (COA) or test-results page and names 1 outside testing lab (Janoshik), and mentions endotoxin, sterility and heavy-metal testing. FDA sent it a warning letter on August 24, 2026 (unapproved new drugs/misbranded). We have not tested its products. FDA record.
- COA / test page
- Published
- Labs named
- Janoshik
- FDA warning letter
- Yes, August 24, 2026
- Listed $/mg
- $3.00–$7.20
- Catalog matched
- 38 compounds
Quality & trust signals
What Royal Peptides' 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: “All products are sold strictly for research purposes only”
- Royal Peptides — site copyChecked
- HPLC mentioned
- Vendor copy: “methods may include common analytical approaches such as HPLC and mass spectrometry depending on the batch and documentation available”
- Royal Peptides — site copyChecked
- Mass spectrometry mentioned
- Vendor copy: “may include common analytical approaches such as HPLC and mass spectrometry depending on the batch and documentation available”
- Royal Peptides — site copyChecked
- Endotoxin testing mentioned
- Vendor copy: “Endotoxin Look Beyond Purity Where applicable, endotoxin data adds another useful”
- Royal Peptides — site copyChecked
- Sterility testing mentioned
- Vendor copy: “Sterility + Microbial Biological Cleanliness Available microbial or sterility-related”
- Royal Peptides — site copyChecked
- Heavy-metals testing mentioned
- Vendor copy: “Heavy Metals Unwanted Elements Elemental analysis can help identify metals and impurities”
- Royal Peptides — site copyChecked
- Payment methods mentioned
- cryptocurrency, ACH / bank transfer, Cash App (named on this page; check checkout for what is accepted).
- Royal Peptides — site pageChecked
- Regulatory status: FDA warning letter
- Yes — FDA warning letter 734884 dated August 24, 2026 (unapproved new drugs/misbranded).
- FDA — warning letter 734884Checked
Royal Peptides prices per mg
Prices listed on Royal Peptides' 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 Royal Peptides' catalog (38)
Products in Royal Peptides' public catalog on October 19, 2026 that we matched to a compound profile. Listing is not verification of identity or purity.
5-Amino-1MQAHK-CuAOD-9604ARA-290BPC-157BPC-157 + TB-500 blendCagrilintideCJC-1295CJC-1295 + ipamorelinDSIPEpithalonGHK-CuGLOW blendGlutathionehCGIGF-1 LR3IpamorelinIpamorelin + tesamorelin blendKisspeptin-10KLOW blendKPVMOTS-cOxytocinPT-141RetatrutideSelankSemaglutideSemaxSermorelinSLU-PP-332SomatropinSS-31TB-500TesamorelinThymosin alpha-1TirzepatideVesugenVIP
Royal Peptides FAQ
Does Royal Peptides publish certificates of analysis (COAs)?
Yes. Royal Peptides' site links a testing or COA page and names Janoshik. Match any certificate to the lot number on the vial you receive.
Has the FDA sent Royal Peptides a warning letter?
Yes. FDA issued a warning letter dated August 24, 2026 (unapproved new drugs/misbranded). It is linked on this page.
How much does Royal Peptides charge per mg?
On October 19, 2026 its listed prices ranged from $3.00 to $7.20 per mg across 22 products we could verify (BPC-157, TB-500, semaglutide, tirzepatide or retatrutide). See the table on this page.
What payment methods does Royal Peptides mention?
cryptocurrency, ACH / bank transfer, Cash App (named on this page; check checkout for what is accepted).
Is Royal Peptides legit?
We don't rate vendors. What we can verify: it links a testing page, it names 1 testing lab, and it has received an FDA warning letter. Its products are sold for research use only.