Peptide Crafters
also known as peptidecrafters.com
Vials tend to hold more than the label (median +7.4%); 1 of 34 vials was more than 10% under.
For research use only. Vendors can't pay to change their score, rank or warnings. No affiliate links, no coupon codes, no paid rankings. How scores work
Every vial we have on file
- Within ±5% / purity 99%+
- 5–20% under, overfilled / purity 95–99%
- Failed: over 20% under, over 50% over, empty or under 95% pure
Dose vs label
34 vials measured · 0 emptyPurity
26 vials measured- Median purity
- 99.83%
- across 26 vials
- Median dose vs label
- +7.4%
- across 34 vials; + means more than the label
- Failed vials
- 0.0%
- 0 of 34 vials; the rate weights each lab report equally and recent reports more, as the score does
- Lab reports
- 34
- Jun 29, 2026 to Nov 3, 2026
Labs: Accumark Labs, Vanguard Laboratory
Key facts
- VendorVerify holds third-party lab results for 34 Peptide Crafters vials from 34 lab reports, dated Jun 2026 to Nov 2026.
- 34 of those Peptide Crafters lab reports were commissioned by Peptide Crafters itself and count at half weight in the score.
- 0 of 34 Peptide Crafters vials failed: empty, under 95% pure, more than 20% under the label or more than 50% over it.
- The median Peptide Crafters vial tested at 99.83% purity across 26 vials with a purity result.
- The median Peptide Crafters vial held +7.4% compared with its label across 34 vials where the lab measured the amount.
- 26 different compounds from Peptide Crafters have been lab tested, all of them only in tests Peptide Crafters paid for.
- Peptide Crafters is not ranked: only independent lab reports count toward the 5 a vendor needs to be ranked, and Peptide Crafters paid for all 34 of its lab reports on file.
- Peptide Crafters vials on file were tested by Accumark Labs, Vanguard Laboratory.
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Contact & prices
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Vendor history
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By peptide
| Peptide | Vials | Failed | Median purity | Median dose vs label | Dose vs label, −20% to +20% |
|---|---|---|---|---|---|
| Retatrutide | 4 | 0 | 99.94% | +3.3% | |
| Tirzepatide | 4 | 0 | 99.97% | +13.2% | |
| Semaglutide | 3 | 0 | 99.89% | +26.4% | |
| ARA-290 | 1 | 0 | 99.36% | +6.6% | |
| BPC-157 | 1 | 0 | 99.73% | +6.1% | |
| BPC-157 / TB-500 | 1 | 0 | — | +1.2% | |
| Cagrilintide / Semaglutide | 1 | 0 | — | +26.0% | |
| CJC-1295 | 1 | 0 | 99.01% | +45.0% | |
| DSIP | 1 | 0 | 99.11% | +22.4% | |
| GHK-Cu / KPV | 1 | 0 | — | +7.9% | |
| GLOW | 1 | 0 | — | +11.9% | |
| KPV | 1 | 0 | 99.56% | +8.8% | |
| KPV / BPC-157 / TB-500 | 1 | 0 | — | −2.3% | |
| MOTS-C | 1 | 0 | 99.66% | +6.9% | |
| NAD+ | 1 | 0 | 99.98% | −9.8% | |
| PT-141 | 1 | 0 | 99.90% | +9.2% | |
| Selank | 1 | 0 | 99.86% | −6.1% | |
| Selank / Semax | 1 | 0 | — | −6.3% | |
| Semax | 1 | 0 | 99.48% | +28.2% | |
| Sermorelin | 1 | 0 | 99.03% | +16.3% | |
| Sermorelin / Ipamorelin | 1 | 0 | — | −0.2% | |
| SS-31 | 1 | 0 | 98.54% | −10.0% | |
| TB-500 | 1 | 0 | 99.83% | −3.3% | |
| Tesamorelin | 1 | 0 | 99.83% | +0.6% | |
| Tesamorelin / Ipamorelin | 1 | 0 | — | −0.1% | |
| Thymosin Alpha-1 | 1 | 0 | 99.69% | +15.0% |
Lab reports One row per tested vial, newest first.
Tests marked vendor-commissioned were paid for by Peptide Crafters; they count at half weight in the score and don't count toward ranking.
| Date | Peptide | Lab | Label | Measured | Dose vs label | Purity |
|---|---|---|---|---|---|---|
| Nov 3, 2026 | Cagrilintide / SemaglutideBatch CS-10-001 (blend: lab total 12.6 mg, per ingredient Cagrilintide 6.49, Semaglutide 6.12; lab blend purity 99.57%) (mean of 3 vials)Vendor-commissioned | Accumark Labs | 10 mg | 12.6 mg | +26.0% | — |
| Oct 27, 2026 | SS-31Batch PC-G3-SS31Vendor-commissioned | Vanguard Laboratory | 40 mg | 35.99 mg | −10.0% | 98.54% |
| Oct 21, 2026 | Tesamorelin / IpamorelinBatch PC-G3-TIPA (blend: lab total 13.99 mg, per ingredient Tesamorelin 11.26, Ipamorelin 2.73; lab blend purity 99.5%) (mean of 3 vials)Vendor-commissioned | Accumark Labs | 14 mg | 13.99 mg | −0.1% | — |
| Oct 21, 2026 | RetatrutideBatch PC-G7-RT10 (mean of 3 vials)Vendor-commissioned | Accumark Labs | 10 mg | 11.37 mg | +13.7% | 99.94% |
| Oct 21, 2026 | RetatrutideBatch PC-G6-RT30 (mean of 3 vials)Vendor-commissioned | Accumark Labs | 30 mg | 31.52 mg | +5.1% | 99.93% |
| Oct 21, 2026 | Selank / SemaxBatch PC-G3-SS12 (blend: lab total 9.373 mg, per ingredient Selank 5.019, Semax 4.354; lab blend purity 99.32%)Vendor-commissioned | Accumark Labs | 10 mg | 9.373 mg | −6.3% | — |
| Oct 8, 2026 | ARA-290Batch PC-G2-AR16Vendor-commissioned | Vanguard Laboratory | 16 mg | 17.05 mg | +6.6% | 99.36% |
| Oct 7, 2026 | GLOWBatch PC-G4-DGLOW (blend: lab total 78.31 mg, per ingredient GHK-Cu 60.96, BPC-157 9.74, TB-500 7.62; lab blend purity 99.93%) (mean of 3 vials)Vendor-commissioned | Accumark Labs | 70 mg | 78.31 mg | +11.9% | — |
| Oct 7, 2026 | SermorelinBatch PC-G4-SER10 (mean of 3 vials)Vendor-commissioned | Accumark Labs | 10 mg | 11.63 mg | +16.3% | 99.03% |
| Sep 21, 2026 | Sermorelin / IpamorelinBatch PC-G2-SMIP (blend: lab total 9.98 mg, per ingredient Sermorelin 5.67, Ipamorelin 4.31; lab blend purity 99.57%) (mean of 3 vials)Vendor-commissioned | Accumark Labs | 10 mg | 9.98 mg | −0.2% | — |
Peptide Crafters: common questions
Is Peptide Crafters legit?
We can't vouch for any vendor as a business, and we don't sell peptides or recommend products. What we can show is what third-party lab tests found: 0 of 34 Peptide Crafters vials on file failed, meaning they were empty, under 95% pure, more than 20% under the label or more than 50% over it. None of these vials came from independent tests: all 34 came from tests Peptide Crafters paid for. Peptide Crafters paid for all 34 of its lab reports on file, and only independent reports count toward the 5 a vendor needs to be ranked, so Peptide Crafters is not ranked. Results on file run from Jun 2026 to Nov 2026.
Has Peptide Crafters been third-party tested?
Yes. We hold results for 34 Peptide Crafters vials from 34 lab reports, tested by Accumark Labs, Vanguard Laboratory. 0 of those reports were paid for by buyers or group tests; 34 were commissioned by Peptide Crafters itself, verified at the lab, and count at half weight in the score.
Are Peptide Crafters vials dosed correctly?
Across 34 vials where the lab measured the amount, the median Peptide Crafters vial held +7.4% compared with its label. 1 of 34 held more than 10% less than the label said.
How pure is Peptide Crafters?
The median Peptide Crafters vial tested at 99.83% purity across 26 vials with a purity result. We count anything under 95% as a failed vial, and a vial at 99.5% or higher gets full marks for purity.
Does Peptide Crafters pay to be listed or ranked?
No. Vendors can't pay to change their score, rank or warnings. No affiliate links, no coupon codes, no paid rankings. A vendor's place comes only from lab results.
Will my Peptide Crafters vial match these results?
Not necessarily. A lab report describes the vials that were tested, and batches differ. A clean record lowers the odds of a bad vial but doesn't rule one out, which is why newer reports count for more in the score.
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