Extreme Peptides
Online seller of research peptides with a 85-item public catalog.
As of October 19, 2026, Extreme Peptides has no public COA page that we could find and names no outside testing lab on the pages we read. We found no FDA warning letter naming it. We have not tested its products. FDA record.
- COA / test page
- Not found
- Labs named
- None found
- FDA warning letter
- None found
- Listed $/mg
- $6.98–$22.00
- Catalog matched
- 45 compounds
Quality & trust signals
What Extreme 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: “Products are not for human consumption of any kind”
- Extreme Peptides — site copyChecked
- Testing / COA page
- Not found — no dedicated testing page is linked from the homepage navigation.
- Extreme Peptides — homepageChecked
- International shipping (vendor-stated)
- “International Shipping Unfortunately, we do not offer international shipping”
- Extreme Peptides — site copyChecked
- Regulatory status: FDA warning letter
- None found naming Extreme Peptides in FDA's warning-letter records.
- FDA — warning lettersChecked
Extreme Peptides prices per mg
Prices listed on Extreme 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.
| Compound | Product | Total mg | Price | $/mg | Stock |
|---|---|---|---|---|---|
| TB-500 | Thymosin Beta-4 — Full-Length (43 aa; TB-500) 5mg | 5 | $59.99 | $12.00 | In stock |
| TB-500 | Thymosin Beta-4 — Full-Length (43 aa; TB-500) 2mg | 2 | $39.99 | $20.00 | In stock |
| Tirzepatide | Tirz (GLP-1, GIP RA) 50mg | 50 | $349.00 | $6.98 | In stock |
| Tirzepatide | Tirz (GLP-1, GIP RA) 30mg | 30 | $249.00 | $8.30 | In stock |
| Tirzepatide | Tirz (GLP-1, GIP RA) 10mg | 10 | $159.00 | $15.90 | In stock |
| Tirzepatide | Tirz (GLP-1, GIP RA) 5mg | 5 | $109.99 | $22.00 | In stock |
Compounds in Extreme Peptides' catalog (45)
Products in Extreme Peptides' public catalog on October 19, 2026 that we matched to a compound profile. Listing is not verification of identity or purity.
5-Amino-1MQAOD-9604BPC-157BPC-157 + TB-500 blendCagrilintideCJC-1295CJC-1295 + ipamorelinDihexaDSIPEpithalonGHK-CuGHRP-2GHRP-6GLOW blendGlutathioneHexarelinHGH fragment 176-191IGF-1 LR3IpamorelinIpamorelin + tesamorelin blendKisspeptin-10KLOW blendKPVLL-37MazdutideMelanotan IIMGFMK-677MOTS-cOxytocinPEG-MGFPinealonPT-141SelankSemaglutideSemaxSermorelinSLU-PP-332SNAP-8SurvodutideTB-500TesamorelinThymosin alpha-1TirzepatideTriptorelin
Extreme Peptides FAQ
Does Extreme Peptides publish certificates of analysis (COAs)?
We could not find a COA or test-results page linked from Extreme Peptides' site on October 19, 2026.
Has the FDA sent Extreme Peptides a warning letter?
We found no FDA warning letter naming Extreme Peptides in fda.gov's warning-letter search on October 19, 2026.
How much does Extreme Peptides charge per mg?
On October 19, 2026 its listed prices ranged from $6.98 to $22.00 per mg across 6 products we could verify (BPC-157, TB-500, semaglutide, tirzepatide or retatrutide). See the table on this page.
Where does Extreme Peptides ship?
On international orders it says: International Shipping Unfortunately, we do not offer international shipping
Is Extreme Peptides legit?
We don't rate vendors. What we can verify: no testing page found, no outside lab named, and no FDA warning letter found. Its products are sold for research use only.