49 suppliers scored7 FDA warning letters tracked8 closures on recordUpdated October 2026 · How scoring works
Peptide Ranking

Extreme Peptides review

extremepeptides.com · US · since 2010
OperatingRank #31 of 49Updated 2026-10-19

Verdict. Extreme Peptides has traded since 2010, publishes a phone line and a support email, and links a certificate on its BPC-157 page, but the certificate names no laboratory, the page gives no purity figure and no address is published anywhere. Its Trustpilot record is split almost evenly between the highest and lowest ratings, with the low ones describing orders that were labeled but never shipped.

Third-party testingNot verified
Public certificatesYes
Lot-specificNot verified
Reference price$48.99

Who they are and what we checked

Extreme Peptides is one of the older US research peptide storefronts, with an about page that dates the company to 2010. The catalog covers lyophilized vials and bulk material, with BPC 157, Melanotan II, Ipamorelin and CJC-1295 NO-DAC among the named items and a category the site calls Metabolic Receptor Agonists for its GLP-class products. The company publishes a toll-free phone number and a support email and does not publish an address. The one thing a reader should know is that this is a supplier with a long history and a sharply divided customer record, and that its testing disclosure does not settle the question either way.

We read the homepage, the BPC-157 product page, the about page, the shipping and returns page and the payments and quality-documentation sections of the FAQ. We opened the certificate linked from the product page. We looked for an address. We then read the Trustpilot profile closely, because with 154 reviews it is one of the larger ones among the suppliers we cover, and checked the public record for warning letters.

What the certificate actually shows

The BPC-157 product page links a certificate of analysis as a PDF, and the FAQ’s quality-documentation section carries titles referring to HPLC and mass spectrometry certificates. On that basis we record HPLC and MS as present. The document itself is the problem. It does not name the laboratory that produced it, so there is no accreditation to check and no one to call to confirm the result. The product page shows no purity figure at all, which means a buyer has to open the PDF to learn anything and, having opened it, cannot tell who is vouching for the number inside. Whether the certificate is specific to the lot on sale is not stated, and endotoxin and sterility are not mentioned anywhere on the site.

That places Extreme Peptides in the lower-middle group for testing transparency. It is ahead of the storefronts that publish nothing, because a document exists and can be read. It is behind every supplier that names its laboratory, because an unattributed certificate cannot be verified by anyone outside the company. Finnrick, the independent testing aggregator, has no results on record for this vendor, so there is no outside test to weigh either.

The age of the company makes the gap more striking rather than less. A storefront that has sold peptides since 2010 has had fifteen years to establish a relationship with a laboratory it is willing to name, and to put a lot number and a purity figure on the page where a buyer will see them. Many of the younger suppliers we track have done both within their first year. Extreme Peptides has chosen not to, and the result is that its long history, which ought to be an asset, does not translate into any documentary advantage over a newcomer.

The company, the prices and the fine print

The company publishes a phone line, +1 (888) 853-8123, and a support email, and it carries a research-use-only disclaimer and a 21+ age gate. It publishes no street address, no city and no state, which for a business that says it has operated for fifteen years is a notable omission. We found no FDA warning letter naming the company.

The Trustpilot profile deserves careful reading rather than a glance at the headline. The score is 4.4 from 154 reviews, which looks healthy. The distribution does not: 47 percent of reviews sit at the lowest rating and 44 percent at the highest, with very little in between. The low-rated reviews describe a recurring pattern, shipping labels created for orders that were then never shipped, and emails that went unanswered. We cannot verify individual reviews and we do not score them, but a split this sharp, on a sample this large, is information a buyer should have before ordering.

Prices sit in the middle of the market. The 5 mg BPC 157 is $48.99 on sale from a $55.99 list price. Free shipping starts at $99 according to the shipping page and $100 according to the homepage, a small inconsistency that recurs with the cutoff time: the shipping page says in-stock orders placed before 1:00 pm Eastern ship the same day, while the homepage says noon. Delivery is quoted at two to seven business days by USPS, to US addresses only. Payments are by card, Bitcoin or same-day ACH, according to the FAQ, and the company states a same-day shipping guarantee on in-stock orders placed before the cutoff.

The returns policy is restrictive. Returns are accepted only for damage or defects attributable to the company or the manufacturer, peptides are generally not accepted back at all, and a theft claim must be made within 48 hours of the delivery scan. In practice, a buyer who receives the wrong item or a lot they doubt has no written route to a refund, and the same-day shipping guarantee is the only promise on the page.

Bottom line

Extreme Peptides has been selling research peptides longer than most of its competitors, answers a phone and takes cards, and that counts for something. Against it, the certificate it publishes cannot be traced to any laboratory, the product page gives no purity figure, the company gives no address, and nearly half of a large body of reviews describes orders that did not arrive. If you want a mid-priced vial from a long-standing seller and you are paying by card for the protection it gives, Extreme Peptides is a workable option, with a small first order the sensible way to test the fulfillment record for yourself. If you need a certificate from a named laboratory, or any route to a refund beyond a damaged parcel, this supplier does not offer one.

What we liked

  • The about page dates the company to 2010, one of the longer trading histories among the suppliers we track.
  • A certificate PDF is linked from the BPC-157 product page, and the FAQ references HPLC and mass spectrometry certificates.
  • A phone line, a support email, a research-use disclaimer and a 21+ age gate are published, and payment can be made by card, Bitcoin or same-day ACH.
  • The 5 mg BPC-157 is $48.99 on sale, free shipping starts at $99, and in-stock orders placed before the afternoon cutoff carry a same-day shipping guarantee.

What we would want fixed

  • The certificate linked on the BPC-157 page names no laboratory, and the product page shows no purity figure.
  • No physical address is published anywhere on the site.
  • Trustpilot shows 4.4 from 154 reviews, but 47 percent sit at the lowest rating against 44 percent at the highest, with complaints of shipping labels created for orders that never shipped and unanswered emails.
  • Peptides are generally not returnable; returns are accepted only for damage or defects attributable to the company, and the shipping cutoff and free-shipping threshold each differ between pages.

Catalog and pricing

72 listings indexed from extremepeptides.com on 2026-10-19. Price per mg uses the stated mass; pens are shown without a per-mg figure.

ListingPeptideSizePrice$/mgCOA
Glutathione 1500mg
vial
Glutathione1500 mg$150$0.10NoView
Glutathione 600mg
vial
Glutathione600 mg$89.99$0.15NoView
Slu-pp-332 25mg
vial
other25 mg$79.99$3.20NoView
Selank 10mg
vial
Selank10 mg$49.99$5.00NoView
Selank 5mg
vial · out of stock
Selank5 mg$29.99$6.00NoView
Tirz (GLP-1, GIP RA) 50mg
vial
GLP-1/GIP dual class listings50 mg$349$6.98NoView
Tirz (GLP-1, GIP RA) 30mg
vial
GLP-1/GIP dual class listings30 mg$249$8.30NoView
Tesamorelin 10mg
vial
Tesamorelin10 mg$99.99$10.00NoView
Thymosin Beta-4 — Full-Length (43 aa; TB-500) 5mg
vial
TB-5005 mg$59.99$12.00NoView
Reta (GLP-1/GIP/GCG) 30mg
vial · out of stock
Triple-agonist class listings30 mg$390$13.00NoView
Reta (GLP-1/GIP/GCG) 20mg
vial
Triple-agonist class listings20 mg$300$15.00NoView
Oxytocin 2mg
vial
other2 mg$29.99$15.00NoView
Tirz (GLP-1, GIP RA) 10mg
vial
GLP-1/GIP dual class listings10 mg$159$15.90NoView
AOD 9604 5mg
vial
AOD-96045 mg$99.99$20.00NoView
Reta (GLP-1/GIP/GCG) 10mg
vial
Triple-agonist class listings10 mg$200$20.00NoView
Thymosin Beta-4 — Full-Length (43 aa; TB-500) 2mg
vial
TB-5002 mg$39.99$20.00NoView
Tirz (GLP-1, GIP RA) 5mg
vial
GLP-1/GIP dual class listings5 mg$110$22.00NoView
Reta (GLP-1/GIP/GCG) 5mg
vial
Triple-agonist class listings5 mg$130$26.00NoView
GLOW Blend (GHK-Cu, BPC-157, TB-500)
blend
GLOW blend—$140—NoView
KLOW Blend (GHK-Cu, BPC-157, TB-500, KPV)
blend
KLOW blend—$190—NoView
5-amino-1mq
vial
5-Amino-1MQ—$49.99—NoView
Thymosin Alpha-1
vial
Thymosin Alpha-1—$79.99—NoView
Pinealon
vial
Pinealon—$69.99—NoView
BPC-157 / TB-500 Blend
blend
BPC-157 + TB-500 blend—$99.99—NoView
CJC-1295 NO-DAC / Ipamorelin Blend
blend
CJC-1295 + Ipamorelin blend—$89.99—NoView
Semax
vial
Semax—$39.99—NoView
NAD+
vial
NAD+—$99.99—NoView
MOTS-c
vial
MOTS-c—$69.99—NoView
LL-37
vial
LL-37—$94.99—NoView
KPV
vial
KPV—$54.99—NoView
Kisspeptin-10
vial
Kisspeptin-10—$49.99—NoView
Cagrilintide
vial
Amylin-analog class listings—$99.99—NoView
Sema (GLP-1 RA)
vial
GLP-1 class listings—$109—NoView
GHK-CU
vial
GHK-Cu—$49.99—NoView
DSIP
vial
DSIP—$29.99—NoView
AOD 9604
vial · out of stock
AOD-9604—$25.99—NoView
Tesamorelin
vial
Tesamorelin—$26.99—NoView
Sermorelin
vial
Sermorelin—$34.99—NoView
PT-141 (Bremelanotide)
vial
PT-141—$37.99—NoView
Melanotan II
vial
Melanotan II—$39.99—NoView
Ipamorelin
vial
Ipamorelin—$27.99—NoView
IGF-1 LR3
vial
IGF-1 LR3—$79.99—NoView
Hexarelin
vial
Hexarelin—$27.99—NoView
GHRP-6
vial
GHRP-6—$28.99—NoView
GHRP-2
vial
GHRP-2—$28.99—NoView
Epithalon
vial
Epitalon—$48.99—NoView
CJC-1295 WITH DAC
vial
CJC-1295 (DAC)—$43.99—NoView
CJC-1295 NO-DAC (MOD GRF 1-29)
vial
CJC-1295 (no DAC)—$30.99—NoView
BPC 157
vial
BPC-157—$48.99—NoView
Tesamorelin / Ipamorelin Blend
blend
other—$110—NoView
Dihexa
vial
other—$99.99—NoView
Dutasteride
vial
other—$39.99—NoView
Survodutide
vial
other—$130—NoView
Mazdutide
vial
other—$150—NoView
GW501516
vial
other—$57.99—NoView
S-23
vial · out of stock
other—$81.99—NoView
S-4 (Andarine)
vial · out of stock
other—$64.99—NoView
YK-11
vial
other—$72.99—NoView
RAD140
vial
other—$74.99—NoView
MK-677
vial
other—$76.99—NoView

Public certificates on file

No public certificate documents indexed for this supplier yet.

The data behind this review

Everything above rests on these fields. Each one is what the supplier states on its own pages, or "not verified".

Score breakdown

Testing & certificates30% weight28
Documentation depth15% weight0
Transparency20% weight72
Track record10% weight57
Catalog10% weight46
Pricing7% weight69
Ordering & service8% weight80
Weighted total44

Verification checklist

  • Third-party laboratory testingNot verified
  • Certificates of analysis open to the publicPass
  • Certificates tied to a specific lotNot verified
  • Testing laboratory namedFail
  • Research-use-only disclaimer presentPass
  • No FDA warning letter on recordPass
  • Identifiable company (address or phone)Pass
  • Currently operatingPass
Full fact sheet
Websiteextremepeptides.com
StatusOperating
Based inUS
Founded2010
Third-party testingNot verified
Laboratories namedNone named
Certificates publicYes — view
Lot-specific certificatesNot verified
Methods shownHPLC, Mass spectrometry
Catalog sizeNot counted
Formatsvials, bulk
Price tiermid · BPC-157 5 mg listed at $48.99
Free shipping from$99
Ships from / abroadUS / No
Payment methodscard, crypto, ach
Certifications claimedNone claimed
Research-use disclaimerYes
Contactservice@extremepeptides.com · +1 (888) 853-8123

Compare Extreme Peptides

Frequently asked questions

Is Extreme Peptides legit?

It is a long-running company with a phone line and an email, and we found no FDA warning letter naming it. Its certificate names no laboratory, it publishes no address, and nearly half of its 154 Trustpilot reviews sit at the lowest rating, mostly describing orders that were not shipped. The record is mixed rather than clear either way.

Does Extreme Peptides publish COAs?

A certificate PDF is linked from the BPC-157 product page, and FAQ titles refer to HPLC and MS certificates. The document we opened does not name the laboratory that produced it, and the product page itself shows no purity figure, so a buyer cannot check the result against an issuing lab.

Where is Extreme Peptides located?

The site does not say. It publishes the phone number +1 (888) 853-8123 and the email service@extremepeptides.com, ships from the US by USPS to US addresses only, and gives no street address, city or state.

How much is BPC-157 at Extreme Peptides?

The 5 mg vial is $48.99 on sale from a $55.99 list price, which sits in the middle of the market. Free shipping begins at $99 according to the shipping page, or $100 according to the homepage, and delivery is quoted at two to seven business days by USPS.

Sources: www.extremepeptides.com · www.extremepeptides.com/product/bpc-157/ · www.extremepeptides.com/about-us/ · www.extremepeptides.com/shipping-and-returns/ · faq.extremepeptides.com/category/57-payments · faq.extremepeptides.com/category/103-quality-docume · www.trustpilot.com/review/extremepeptides.com. Spotted an error? Request a correction.