Is Zen Peptides legit?
Zen Peptides review: independent lab test results, published COAs, prices and ordering terms.

Zen Peptides prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| Tirzepatide | Tirzepatide (Tirz) 60mg*10vials10 × 60 mg = 600 mg | $245.00 | $0.408 | #58 of 183 | Buy |
| Retatrutide | Retatrutide (Reta) 30mg*10vials10 × 30 mg = 300 mg | $280.00 | $0.933 | #71 of 198 | Buy |
| Semaglutide | Semaglutide (Sema) 30mg*10vials10 × 30 mg = 300 mg | $160.00 | $0.533 | #47 of 138 | Buy |
| NAD+ | NAD+ (NAD) 1000mg*10vials10 × 1000 mg = 10000 mg | $195.00 | $0.020 | #60 of 189 | Buy |
| Tesamorelin | Tesamorelin (TSM) 20mg*10vials10 × 20 mg = 200 mg | $490.00 | $2.45 | #66 of 184 | Buy |
| Cagrilintide | Cagrilintide (CGL) 10mg*10vials10 × 10 mg = 100 mg | $330.00 | $3.30 | #70 of 152 | Buy |
| GLOW | GLOW 70mg*10VIALS10 × 70 mg = 700 mg | $265.00 | $0.379 | #58 of 162 | Buy |
| AOD-9604 | AOD-9604 (AOD9604) 10mg*vials (vial count missing on site; 10 assumed)10 × 10 mg = 100 mg | $250.00 | $2.50 | #44 of 138 | Buy |
| KLOW | KLOW 80mg*10VIALS10 × 80 mg = 800 mg | $265.00 | $0.331 | #49 of 167 | Buy |
Price rank compares Zen Peptides's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from Zen Peptides's website and may have changed.
Zen Peptides across independent sources
Every source we have for Zen Peptides, 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 Zen Peptides vial tested? Send us the report.
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 35 tests, passed 66% (95% range 49–79%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 102% (middle half 93–106%, 34 reports); within ±10% of label 53% (95% range 37–68%); purity median 99.78% | |
| Vendor's own COAsReports the vendor chose to publish | 10 reports, no readable numbers | Below |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
Zen Peptides independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. Zen Peptides scores 63% and ranks #361, with 23 of 35 tests passed; latest test 24 Sept 2026. Full record on Finnrick.
| Date | Peptide | Result |
|---|---|---|
| 24 Sep 2026 | Retatrutide | Pass |
| 24 Sep 2026 | Tirzepatide | Pass |
| 20 Jul 2026 | Retatrutide | Fail |
| 18 Mar 2026 | NAD+ | Pass |
| 4 Mar 2026 | Tirzepatide | Pass |
| 4 Mar 2026 | BPC-157 | Pass |
| 3 Mar 2026 | Retatrutide | Pass |
| 3 Mar 2026 | Retatrutide | Pass |
| 1 Mar 2026 | NAD+ | Fail |
| 20 Feb 2026 | Tirzepatide | Pass |
Zen Peptides COA and lab reports
Zen Peptides publishes 10 certificates of analysis, 0 with readable numbers, from Janoshik.
All Zen Peptides COA documents
- HGH · Janoshik · 2025-06-24 View COA (image)
- Tirzepatide · Janoshik · 2025-06-23 View COA (image)
- Retatrutide · Janoshik · 2025-06-23 View COA (image)
- HGH · Janoshik · 2025-06-23 View COA (image)
- GLOW · Janoshik · 2025-06-23 View COA (image)
- GLOW · Janoshik · 2025-06-23 View COA (image)
- NAD+ · Janoshik · 2025-06-23 View COA (image)
- Tirzepatide · Janoshik · 2025-06-20 View COA (image)
- Retatrutide · Janoshik · 2025-06-20 View COA (image)
- NAD+ · Janoshik · 2025-06-20 View COA (image)
Ordering
- Website
- zen-peptide.com
- Location
- Singapore
- How to order
- Online checkout
- Shipping to the US
- $90.00
- Payment
- PayPal (checkout), Western Union, T/T, BTC (by inquiry)
- Ships from
- CN
FAQ
Is Zen Peptides legit?
Zen Peptides has a Finnrick score of 63% (#361), with 23 of 35 independent lab tests passed. No red flags were found in its published COAs.
Does Zen Peptides publish COAs or lab test results?
Yes: 10 published certificates of analysis, 0 with readable numbers, from Janoshik.
Has Zen Peptides been independently lab tested?
Finnrick has tested Zen Peptides 35 times, with 23 of 35 passed.
How do you order from Zen Peptides?
Online checkout. US shipping: $90.00.