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Peptide Crafters

Evidence score: 8/10
Visit Peptide Crafters ↗

How we scored Peptide Crafters

Reviewed by , co-founder & editorial lead · Updated

COA practices 40%10/10
Reputation 20%7.5/10
Transparency 20%6.5/10
Operations 20%7/10

COA 40%; reputation, transparency and operations 20% each. Weighted result 8.2/10, rounded to 8/10.

COA evidenceCOA quality 10/10COA verified

Purity: Reported purity 98.18-100% across 445 in-scope report records with exact numerical results. 23 additional report records give comparator bounds. AOD-9604 report V260106-12 002 records 98.18% purity. Uncertainty, RSD, component peak shares and measured content are excluded from the range.

265 issuer-matched records · 56 exact current product keys
Browse 981 report records in the COA library →

Direct answer

Is Peptide Crafters legit?

Yes. Peptide Crafters has an extensive laboratory archive: 636 distinct reports dated June 2023–October 2026 across eight laboratories, all naming the vendor or its support address. PeptidePrices rates the COA program 10/10. Endotoxin appears on 230 reports, microbial testing on 129 and sterility on 61, usually as separate documents for the same lot. Exact certificates cover 56 of 65 offers, with verification status shown for each. Trustpilot showed 4.4/5 from 44 reviews on October 15, 2026, and checkout accepts major cards. Finnrick's independent sample results are mixed, no legal operator or street address is disclosed, and the shop and policies require an account.

Evidence summary

Peptide Crafters COAs and evidence

Peptide Crafters stands out for a three-year testing archive, eight laboratories and substantial endotoxin, microbial and sterility coverage. Exact certificates cover 56 of 65 offers, while 4.4/5 from 44 Trustpilot reviews adds a separate customer record.

The storefront requires an account, company disclosures are limited and dispatch or return wording needs clarification. Read the certificate status for the exact strength and lot; the archive includes both issuer-matched reports and documents without a usable public verifier.

01

COA archive and laboratories

The Peptide Crafters certificate archive contains 636 distinct printed reports in 981 source-version records across 316 compound and lot groups, because the merchant posts the same report in several source versions. Reports run from June 22, 2023 to October 7, 2026 (2 in 2023, 71 in 2024, 297 in 2025, 266 in 2026), cover 48 compounds, and all name Peptide Crafters or its support address as the client. Janoshik supplies 198 reports and Pharmetric Laboratory 197, Vanguard Laboratory 186, Accumark Labs 29, MZ Biolabs 10, Chromate 7, Prime Analytical Laboratories 6 and TrustPointe Analytics 3. 226 of the 636 reports match the laboratory's own record (198 Janoshik, 27 Accumark and 1 TrustPointe). Of the other 410, 399 come from laboratories without a usable public verifier (Vanguard's opt-in index 186, Pharmetric 197, MZ Biolabs 10, Prime Analytical 6), 7 are Chromate reports whose job numbers and access codes Chromate's portal recognized on October 16, 2026 but whose full report contents remain unverified, and 4 (Accumark 2, TrustPointe 2) could not be matched and carry no listing certificate.

02

Test depth and lot coverage

Each lot is usually covered by separate certificates. A Janoshik report gives identity, purity and content (171 reports carry all three, another 25 give identity and content only). Pharmetric supplies 197 endotoxin-only reports, Vanguard supplies 73 microbial-only and 58 sterility-only reports plus 53 with purity and content, and 26 of Accumark's 29 reports bundle identity, purity, content, endotoxin and microbial in one document. Across the archive, endotoxin appears on 230 reports, microbial testing on 129 and sterility on 61, but heavy metals and fentanyl screening appear on none. Vanguard publishes only opt-in records to its public index, so its 186 reports are presented as a neutral View COA document rather than as issuer-verified.

03

Exact listing certificates

Of 65 displayed offers, 56 carry an exact certificate for compound, strength and unit, and 6 of the 9 without one are in stock (Adamax 10 mg, GHK-Cu plus KPV 70 mg, BPC-157 plus TB-500 plus KPV 30 mg, GHK-Cu 1000 mg, SS-31 39 mg and Thymalin 10 mg). Of the 56 certificates, 22 are Janoshik (16) or Accumark (6) reports matched to the laboratory's own record and shown as COA verified, 10 are Vanguard reports shown as a neutral View COA, 22 are Pharmetric endotoxin reports shown as a neutral View COA because Pharmetric publishes no verifier, and 2 are Chromate reports that stay unresolved until compared. Because endotoxin or microbial results are issued as their own certificates, a card could show an endotoxin-only document ahead of the identity and purity report for the same lot. Partial reports link to the identity-and-purity report for the same compound and lot where one is available. Verified laboratory versions take precedence over duplicate merchant copies. 27 cards still show an endotoxin or microbial report because no identity-and-purity report exists for that lot.

04

Report-specific strength and lot differences

Vanguard AOD-9604 report V260618-15 001 (lot PC-S-AOD, June 23, 2026) prints a 10 mg header but measures 5.57 mg and 5.50 mg; the storefront sells that product as 5 mg. The inconsistent nominal strength prevents an exact product match. Report 51839 prints a different lot in the merchant copy, and Semax report 147561 has different lot text in the laboratory table and vial photograph. Those report-specific discrepancies remain visible, and affected certificates do not verify a mismatched listing.

05

Independent testing by Finnrick

Finnrick, an independent testing site, rates Peptide Crafters 61% and lists 39 passes in 60 classifiable tests (38 of 59 when PeptidePrices first read the page on October 15, 2026; the latest test is dated October 12). A pass means a sample cleared Finnrick's Purity focus standard, which requires identity to pass, purity of at least 99.5% and dose within 35% of the label, using samples Finnrick sources and sends to third-party laboratories. A fail can therefore be a 99.1% purity or a dose 40% off label, which is a stricter bar than a vendor's own certificate and does not test every current batch. Finnrick's per-compound scores range from GLP-1S at 81% (10 tests) and GLP-3R at 78% down to BPC-157 at 48% (11 tests), TB-500 at 47% and CJC-1295 at 29%. These are Finnrick's independently sourced samples, a separate evidence set from the merchant's published certificates.

06

Reviews

Trustpilot showed 4.4/5 from 44 reviews on October 15, 2026. Peptide Critic has 23 individual customer reviews, 20 five-star and three four-star, with visible dates in September–November 2025. Customers praise fast shipping, packaging, rewards and testing; one describes a prompt replacement after a mix-up. Finnrick's independent testing recorded 39 passes among 60 classifiable samples as of October 16, 2026 under its identity, 99.5% purity and ±35% content criteria. The 19 Reddit threads from April 2024–June 2026 are mostly buying questions, with a few price or product-experience accounts, including one concern about a weaker second vial. That Reddit sample covers posts rather than their comments.

07

Company information

The domain record dates registration to February 18, 2024. Peptide Crafters describes Dallas-Fort Worth dispatch and U.S. lyophilization, and publishes a large vendor-named certificate archive. No legal entity, founder, street address, phone number or synthesis facility is named. Support is available through an enquiry form and email. The storefront, policies and prices require a free account login.

08

Shipping, payment and returns

Visa, Mastercard, American Express and Discover are accepted. An October 15, 2026 Massachusetts checkout quoted FedEx at $12.50; a $315 basket qualified for free FedEx 2nd Day Air. The storefront advertises free shipping over $250 and quantity discounts of 5–20% for two or more containers. Optional shipping insurance is preselected. Returns require an RMA within 60 days, with original shipping and a $25 fee deducted and final-sale items excluded. Dispatch wording differs between an end-of-day cutoff and noon Central; the published policy is also inconsistent about opened products. Confirm those terms with support before ordering.

Strengths

  • 636 distinct laboratory reports from June 2023 to October 2026, all naming Peptide Crafters or its support address
  • Janoshik, Pharmetric, Vanguard, Accumark and four more named laboratories, with endotoxin on 230 reports, microbial on 129 and sterility on 61
  • 56 of 65 displayed offers carry an exact certificate for compound, strength and unit; 22 are matched to the laboratory's own record and partial reports link to the main report of the same lot
  • Trustpilot 4.4/5 from 44 reviews and 23 Peptide Critic user reviews at 4 or 5 stars
  • Visa, Mastercard, American Express and Discover accepted; free FedEx 2nd Day Air at $250

Watch-outs

  • No company, founder, street address or telephone is disclosed
  • Storefront and policy pages require an account login
  • No report tests heavy metals; 186 Vanguard reports cannot be checked against a public index
  • Finnrick's independent samples passed 39 of 60 under a strict 99.5% purity and 35% dose standard; BPC-157, TB-500 and CJC-1295 scored weakest
  • Dispatch and return wording conflicts; opened-product returns are unclear

Details

Payment methods
  • Credit/debit cards
Shipping

October 15, 2026 Massachusetts checkout: FedEx $12.50; a $315 basket qualified for free FedEx 2nd Day Air.

Free shipping advertised over $250.

Reviews

Trustpilot, 44 reviews →
In stock
61 products
Ships to
United States; other destinations require confirmation

Products (61)

61 products
PeptidePricePackageStock
5-Amino-1MQ$75.0060mgIn stockView listing ↗
Adamax$55.0010mgIn stockView listing ↗
ARA-290 (Cibinetide)$50.0016mgIn stockView listing ↗
GHK-Cu + KPV$80.0070mgIn stockView listing ↗
BPC-157$50.0010mgIn stockView listing ↗
Wolverine$80.0020mgIn stockView listing ↗
Cagrilintide$95.0010mgIn stockView listing ↗
Cardiogen$55.0025mgIn stockView listing ↗
Cartalax$55.0030mgIn stockView listing ↗
CJC-1295 No DAC + Ipamorelin$45.0012mgIn stockView listing ↗
CJC-1295 (No DAC)$30.005mgIn stockView listing ↗
CJC-1295 (With DAC)$50.005mgIn stockView listing ↗
GLOW$85.0070mgIn stockView listing ↗
DSIP (Delta Sleep-Inducing Peptide)$30.005mgIn stockView listing ↗
Epithalon (Epitalon)$115.0080mgIn stockView listing ↗
FOXO4-DRI$135.0012mgIn stockView listing ↗
GHK-Cu (Copper Peptide)$45.00100mgIn stockView listing ↗
GLP-1S$80.0010mgIn stockView listing ↗
GLP-1S$115.0020mgIn stockView listing ↗
GLP-1S$50.005mgIn stockView listing ↗
GLP-2T$250.00100mgIn stockView listing ↗
GLP-2T$70.0010mgIn stockView listing ↗
GLP-2T$270.00120mgIn stockView listing ↗
GLP-2T$95.0015mgIn stockView listing ↗
GLP-2T$180.0035mgIn stockView listing ↗
GLP-2T$230.0080mgIn stockView listing ↗
GLP-3R$80.0010mgIn stockView listing ↗
GLP-3R$105.0015mgIn stockView listing ↗
GLP-3R$150.0020mgIn stockView listing ↗
GLP-3R$180.0030mgIn stockView listing ↗
GLP-3R$295.0065mgIn stockView listing ↗
IGF-1 LR3$65.001mgIn stockView listing ↗
Ipamorelin$50.0010mgIn stockView listing ↗
BPC-157 + TB-500 + KPV$85.0030mgIn stockView listing ↗
Kisspeptin-10$30.005mgIn stockView listing ↗
KPV$40.0010mgIn stockView listing ↗
LL-37$50.005mgIn stockView listing ↗
Melanotan-1 (MT-1)$30.0010mgIn stockView listing ↗
Melanotan-2 (MT-2)$30.0010mgIn stockView listing ↗
MOTS-c$55.0015mgIn stockView listing ↗
NAD+$85.001000mgIn stockView listing ↗
NAD+ + MOTS-c + 5-Amino-1MQ$110.00640mgIn stockView listing ↗
KLOW Protocol$90.0080mgIn stockView listing ↗
Pinealon$55.0025mgIn stockView listing ↗
Prostamax$55.0025mgIn stockView listing ↗
PT-141 (Bremelanotide)$35.0010mgIn stockView listing ↗
GHK-Cu (Copper Peptide)$45.001g bulk powderIn stockView listing ↗
Selank$35.0010mgIn stockView listing ↗
Selank + Semax$45.0010mgIn stockView listing ↗
Semax$35.0010mgIn stockView listing ↗
Sermorelin$55.0010mgIn stockView listing ↗
Sermorelin + Ipamorelin$50.0010mgIn stockView listing ↗
Snap-8$30.0010mgIn stockView listing ↗
SS-31 (Elamipretide)$85.0039mgIn stockView listing ↗
TB-500$60.0010mgIn stockView listing ↗
Tesamorelin$55.0010mgIn stockView listing ↗
Tesamorelin + Ipamorelin$80.0014mgIn stockView listing ↗
Testagen$55.0025mgIn stockView listing ↗
Thymalin$45.0010mgIn stockView listing ↗
Thymosin Alpha-1$65.0010mgIn stockView listing ↗
VIP (Vasoactive Intestinal Peptide)$75.0010mgIn stockView listing ↗

Frequently asked questions

Is Peptide Crafters legit?
Yes. Peptide Crafters has an extensive laboratory archive: 636 distinct reports dated June 2023–October 2026 across eight laboratories, all naming the vendor or its support address. PeptidePrices rates the COA program 10/10. Endotoxin appears on 230 reports, microbial testing on 129 and sterility on 61, usually as separate documents for the same lot. Exact certificates cover 56 of 65 offers, with verification status shown for each. Trustpilot showed 4.4/5 from 44 reviews on October 15, 2026, and checkout accepts major cards. Finnrick's independent sample results are mixed, no legal operator or street address is disclosed, and the shop and policies require an account. Peptide Crafters scores 8/10 on PeptidePrices' evidence rubric: 40% COA practices, 20% community reputation, 20% transparency, and 20% operations. Affiliate relationships are disclosed on this page and are not a scoring factor.
Where does Peptide Crafters ship?
Peptide Crafters ships to United States; other destinations require confirmation. October 15, 2026 Massachusetts checkout: FedEx $12.50; a $315 basket qualified for free FedEx 2nd Day Air. Free shipping advertised over $250.
Does Peptide Crafters publish COAs?
COA verified. 265 issuer-matched records · 56 exact current product keys
What do customer reviews say about Peptide Crafters?
[Trustpilot](https://www.trustpilot.com/review/peptidecrafters.com) showed 4.4/5 from 44 reviews on October 15, 2026. Peptide Critic has 23 individual customer reviews, 20 five-star and three four-star, with visible dates in September–November 2025. Customers praise fast shipping, packaging, rewards and testing; one describes a prompt replacement after a mix-up. Finnrick's independent testing recorded 39 passes among 60 classifiable samples as of October 16, 2026 under its identity, 99.5% purity and ±35% content criteria. The 19 Reddit threads from April 2024–June 2026 are mostly buying questions, with a few price or product-experience accounts, including one concern about a weaker second vial. That Reddit sample covers posts rather than their comments.
What are alternatives to Peptide Crafters?
The public vendors closest to Peptide Crafters' 8/10 evidence score are Peptide Express (8/10), Peptide Confidential (8/10), and Pepspan (8/10).
What stands out in the Peptide Crafters review?
The 636-report archive spans June 2023–October 2026 across eight laboratories. It includes 230 endotoxin, 129 microbial and 61 sterility reports, with an exact certificate for 56 of 65 offers. Verification status is shown for each report.
Which laboratories test Peptide Crafters products?
Janoshik (198 reports), Pharmetric Laboratory (197, endotoxin only), Vanguard Laboratory (186), Accumark Labs (29), MZ Biolabs (10), Chromate (7), Prime Analytical Laboratories (6) and TrustPointe Analytics (3).
What do the COAs test beyond purity?
Endotoxin appears on 230 reports, microbial testing on 129 and sterility on 61, usually as separate certificates for the same lot. No report tests heavy metals. Janoshik reports give identity, purity and content.
What does Finnrick's 39 of 60 mean?
Finnrick's Purity focus standard passes a sample only if identity matches, purity is at least 99.5% and the measured dose is within 35% of label. 39 of 60 classifiable samples cleared that bar as of October 16, 2026, and 38 of 59 on October 15. It is a stricter test than a vendor's certificate and covers only the samples Finnrick tested.
Does Peptide Crafters have a PeptidePrices coupon?
No. PeptidePrices has no code issued for Peptide Crafters, so none is shown. The merchant advertises its own newsletter discount and 5% to 20% quantity tiers on two or more containers.
How does Peptide Crafters shipping work?
A Massachusetts basket quoted FedEx at $12.50, and a $315 basket qualified for free FedEx 2nd Day Air. The banner advertises free shipping over $250. Dispatch wording conflicts between an end-of-day cutoff and a noon Central cutoff.
What is Peptide Crafters' return policy?
Returns need an RMA within 60 days, with original shipping and a $25 fee deducted, and final-sale items excluded. The published wording on opened products is inconsistent, so confirm terms with support before ordering.
Does Peptide Crafters require an account?
Yes. The storefront, policy pages and prices require a free account login.