Is Peptidology Legit?
Independent COA evidence review. No paid placement. Updated when new test data is available.
Limited evidence
Peptidology has a Merit Score of 43/100 (Limited). Independent COA evidence is sparse. That does not mean the vendor is fraudulent — it means we have insufficient observable data to assess their testing practices confidently.
- Independent COAs
- 2
- on file
- Distinct labs
- 1
- Vanguard Laboratory
- Median purity
- 99.4%
- HPLC measured
- Latest COA
- Mar 2026
- recently tested
Merit Score
LimitedThe 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) +7
- distinct independent labs +8
- median measured purity +22
- evidence breadth +4
- years active +2
Testing labs on file
- Vanguard Laboratory
Lab diversity reduces the risk of results being influenced by a commercial relationship with a single testing lab.
Frequently asked questions
Is Peptidology a legit peptide vendor? +
Peptidology has 2 independent COAs on file. That is a limited evidence base; additional testing would strengthen confidence. The Merit Score is 43.
Is Peptidology a scam? +
Peptidology 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 Peptidology been independently tested? +
Yes. 2 independent COAs for Peptidology 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: March 2026.
What labs does Peptidology use? +
Based on COAs on file, Peptidology has used: Vanguard Laboratory. Single-lab COA histories are common in this market; no independent second opinion exists in this dataset for this vendor.
What purity results has Peptidology achieved? +
Across 2 COAs with purity data, Peptidology's median measured purity is 99.41%. 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 Peptidology still operating? +
Peptidology is listed as active on Merit Verified , with the most recent COA dated March 2026. Confirm directly with the vendor for current shipping and product availability.
This page reflects Merit Verified's registry as of the most recent data update. Peptidology is not an affiliate partner of Merit Verified. The verification report is based on observable COA evidence only. Not medical or legal advice.