Is Peptide Crafters Legit?
Peptide Crafters has 116 independent COAs on file across 4 independent labs, earning a Merit Score of 94/100 (Strong). This volume of third-party test evidence is consistent with a vendor that actively submits product to independent testing. Verification data on this page is drawn from Merit Verified's COA registry — no paid placement, no vendor influence on scores.
Evidence last updated: July 9, 2026
Evidence-backed
Peptide Crafters has a Merit Score of 94/100 (Strong), based on 116 independent COAs across 4 testing labs. The observable evidence supports this vendor's quality claims.
- Independent COAs
- 116
- on file
- Distinct labs
- 4
- multi-lab
- Median purity
- 99.7%
- HPLC measured
- Latest COA
- Jul 2026
- recently tested
Merit Score
StrongThe Merit Score is earned from zero through observable evidence only — independent COA volume, lab diversity, median measured purity, and evidence breadth. No vendor pays to influence it; affiliate relationships are disclosed separately and have zero input into the score.
- independent COAs (volume × freshness × lab reputation) +40
- distinct independent labs +20
- median measured purity +24
- evidence breadth +10
Testing labs on file
- Janoshik Analytical
- Vanguard Laboratory
- Chromate
- TrustPointe Analytics
Lab diversity reduces the risk of results being influenced by a commercial relationship with a single testing lab.
Frequently asked questions
Is Peptide Crafters a legit peptide vendor? +
Peptide Crafters has 116 independent COAs on file across 4 labs — consistent with an active vendor engaging in third-party testing. The Merit Score is 94 (Strong), based on observable data only.
Is Peptide Crafters a scam? +
Peptide Crafters is not scam-flagged on Merit Verified. The registry flags vendors when observable fraud evidence exists (fabricated COAs, community-reported theft, fraudulent domains). No such flag has been set for this vendor.
Has Peptide Crafters been independently tested? +
Yes. 116 independent COAs for Peptide Crafters are on file on Merit Verified. A COA (Certificate of Analysis) certifies a specific tested lot. Having a COA on file is not a guarantee that every shipment was tested — it confirms those specific lots were independently verified.
Most recent test on file: July 2026.
What labs does Peptide Crafters use? +
Based on COAs on file, Peptide Crafters has used: Janoshik Analytical, Vanguard Laboratory, Chromate, TrustPointe Analytics. Using multiple independent labs is a positive signal — it reduces the risk that results are influenced by a commercial relationship with a single lab.
What purity results has Peptide Crafters achieved? +
Across 91 COAs with purity data, Peptide Crafters's median measured purity is 99.73%. This is at the high end of the market, where most vendors cluster between 99–99.9%.
Purity figures reflect HPLC chromatography on tested lots only. They do not screen for residual solvents, heavy metals, endotoxins, or microbial contamination.
Is Peptide Crafters still operating? +
Peptide Crafters is listed as active on Merit Verified , with the most recent COA dated July 2026. Confirm directly with the vendor for current shipping and product availability.
Peptide Crafters
Use code CRAFTERS10 at checkout for 10% off.
Affiliate link — Merit Verified may earn a commission at no extra cost to you. Affiliate status has zero input into the Merit Score or this verification report.
Learn more
This page reflects Merit Verified's registry as of the most recent data update (July 2026). Merit Verified has an affiliate relationship with Peptide Crafters — disclosed above and in every community reply. Affiliate status has zero input into the Merit Score or this verification report. Not medical or legal advice.