Is ZC Labs legit?

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ZC Labs review: independent lab test results, published COAs, prices and ordering terms.

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ZC Labs example prices

A preview of up to eight peptides; open the price comparison to browse more. Price rank compares ZC Labs's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from ZC Labs's website and may have changed. Some links are affiliate links: if you buy through one, this site may earn a commission at no extra cost to you; rankings are by price only.

ZC Labs across independent sources

Every source we have for ZC Labs, side by side. Tests of vials bought like a customer would weigh more than reports the vendor picked to publish. How the sources compare across all vendors. Had a ZC Labs vial tested? Send us the report.

ZC Labs independent lab test results (Finnrick)

Finnrick buys vials anonymously and tests them for purity and dose. ZC Labs scores Unrated, with 0 tests passed. Full record on Finnrick.

ZC Labs COA and lab reports

ZC Labs publishes 40 certificates of analysis, 39 with readable numbers, from Kovera Labs, ILS Laboratories, Freedom Diagnostics.

All ZC Labs COA documents

• Glutathione · Kovera Labs · 2026-10-25 · 99.802% pure · 100% of label View COA
• KLOW · Kovera Labs · 2026-10-24 · 99.387% pure · 110% of label View COA
• Tesamorelin · Kovera Labs · 2026-10-24 · 99.904% pure · 105% of label View COA
• BPC-157 + TB-500 · Kovera Labs · 2026-10-24 · 99.745% pure · 106% of label View COA
• Semax · Kovera Labs · 2026-10-24 · 99.75% pure · 111% of label View COA
• NAD+ · Kovera Labs · 2026-10-24 · 99.775% pure · 105% of label View COA
• MOTS-c · Kovera Labs · 2026-10-24 · 99.767% pure · 111% of label View COA
• Melanotan II · Kovera Labs · 2026-10-24 · 99.869% pure · 107% of label View COA
• Melanotan I · Kovera Labs · 2026-10-24 · 99.797% pure · 114% of label View COA
• KPV · Kovera Labs · 2026-10-24 · 99.817% pure · 102% of label View COA
• GHK-Cu · Kovera Labs · 2026-10-24 · 99.59% pure · 111% of label View COA
• DSIP · Kovera Labs · 2026-10-24 · 99.868% pure · 138% of label View COA
• CJC-1295 (no DAC) + Ipamorelin · Kovera Labs · 2026-10-24 · 99.517% pure · 105% of label View COA
• BPC-157 · Kovera Labs · 2026-10-24 · 99.894% pure · 105% of label View COA
• 5-Amino-1MQ · Kovera Labs · 2026-10-24 · 99.741% pure · 107% of label View COA
• Retatrutide · ILS Laboratories · 2026-10-23 · 99.08% pure · 106% of label View COA
• Tirzepatide · ILS Laboratories · 2026-10-16 · 99.24% pure · 102% of label View COA
• Retatrutide · ILS Laboratories · 2026-10-16 · 99.32% pure · 104% of label View COA
• SS-31 · ILS Laboratories · 2026-10-16 · 99.07% pure · 102% of label View COA
• Selank · ILS Laboratories · 2026-10-16 · 99.05% pure · 105% of label View COA
• Retatrutide · ILS Laboratories · 2026-09-30 · 99.89% pure · 104% of label View COA
• Retatrutide · ILS Laboratories · 2026-09-30 · 99.57% pure · 105% of label View COA
• Cagrilintide · Freedom Diagnostics · 2026-09-23 · 99.97% pure · 107% of label View COA
• Lipo-C · ILS Laboratories · 2026-09-04 · 98.06% pure · 100% of label View COA
• SS-31 · ILS Laboratories · 2026-09-04 · 99.27% pure · 103% of label View COA
• MOTS-c · ILS Laboratories · 2026-09-01 · 99.7% pure · 106% of label View COA
• Retatrutide · Freedom Diagnostics · 2026-08-26 · 99.8% pure · 109% of label View COA
• BPC-157 · Freedom Diagnostics · 2026-08-14 · 99.38% pure · 103% of label View COA
• Ipamorelin · Freedom Diagnostics · 2026-08-13 · 99.85% pure · 98% of label View COA
• NAD+ · ILS Laboratories · 2026-08-12 · 99.45% pure · 102% of label View COA
• Retatrutide · ILS Laboratories · 2026-08-11 · 99.52% pure · 103% of label View COA
• Tirzepatide · ILS Laboratories · 2026-07-26 · 99.54% pure · 104% of label View COA
• KLOW · ILS Laboratories · 2026-07-16 · 99.63% pure · 105% of label View COA
• KLOW · ILS Laboratories · 2026-07-16 · 99.63% pure · 105% of label View COA
• Retatrutide · ILS Laboratories · 2026-06-16 · 99.89% pure · 103% of label View COA
• Ipamorelin · ILS Laboratories · 2026-06-10 · 99.44% pure · 104% of label View COA
• Retatrutide · ILS Laboratories · 2026-06-10 · 99.33% pure · 106% of label View COA
• BPC-157 · ILS Laboratories · 2026-06-10 · 99.62% pure · 105% of label View COA
• Glutathione · ILS Laboratories · 2026-06-10 · 99.9% pure · 101% of label View COA
• Selank · Freedom Diagnostics View COA (image)

Ordering

Website

zc-labs.com

How to order

Online checkout

ZC Labs scam reports

No buyer scam reports about ZC Labs have been published.

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FAQ

Is ZC Labs legit?

ZC Labs has a PeptideCompare metascore of 64/100, ranked #440 (Finnrick score Unrated), with 0 independent lab tests passed. Its published COAs raise concerns: ILS COA-2026-IBFW5 (Ipamorelin, analysed 2026-06-10) carries an ILS change-history note dated 2026-10-28 saying the product name/batch label was edited, and now shows lot IPA-261012, matching the October '-261012' lot series; three more October ILS COAs (TEM59Z, CEJ7VB, KAMYKI) were relabelled the same way. One KLOW 80mg result (received 07/07, analysed 07/16, 99.63%, 83.79 mg, 0.173 EU/

Does ZC Labs publish COAs or lab test results?

Yes: 40 published certificates of analysis, 39 with readable numbers, from Kovera Labs, ILS Laboratories, Freedom Diagnostics.

Has ZC Labs been independently lab tested?

No independent Finnrick tests are indexed here yet.

How do you order from ZC Labs?

Online checkout.