Z
Zen Peptides
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Products examined
| Product | Rating | Samples | Avg | Min | Max | Latest |
|---|---|---|---|---|---|---|
| GHK-Cu | B | 4 | 7.7 | 5.2 | 9.5 | 23 Oct 2025 |
| Retatrutide | C | 9 | 6.5 | 4.2 | 7.8 | 23 Oct 2025 |
| 1-Boc-4-(2-fluorophenylamino)piperidine CAS 887583-57-5 | X | 1 | 6.6 | 6.6 | 6.6 | 2 Apr 2025 |
| 17a-Methyl-1-Testosterone | X | 1 | 6.9 | 6.9 | 6.9 | 13 Feb 2025 |
| ACE-031 | X | 1 | 5.0 | 5.0 | 5.0 | 8 Jul 2025 |
| Adipotide | X | 1 | 4.0 | 3.1 | 3.1 | 3 Jun 2025 |
| AICAR Oral | X | 1 | 5.3 | 5.3 | 5.3 | 14 Jan 2025 |
| AICAR | X | 1 | 5.8 | 5.8 | 5.8 | 25 Apr 2025 |
| Anastrozole (Arimidex) Raw | X | 1 | 8.3 | 8.3 | 8.3 | 25 Apr 2025 |
| BAM15 | X | 1 | 5.9 | 5.9 | 5.9 | 2 Jul 2025 |
| Blend 300 (TRA/Mast P/Test P) | X | 1 | 5.1 | 5.1 | 5.1 | 2 Jul 2025 |
| BPC157 10mg + TB500 10mg Blend | X | 1 | 9.3 | 9.3 | 9.3 | 27 Feb 2025 |
| Cartalax | X | 1 | 8.6 | 8.6 | 8.6 | 27 Feb 2025 |
| Chonluten | X | 1 | 7.2 | 7.2 | 7.2 | 6 May 2025 |
| CJC-1295 With DAC | X | 1 | 7.3 | 7.3 | 7.3 | 20 Jun 2025 |
| Dihexa | X | 1 | 6.3 | 6.3 | 6.3 | 3 Jul 2025 |
| Drostanolone Enanthate (Mast E) Raw | X | 1 | 6.3 | 6.3 | 6.3 | 21 May 2025 |
| EPO | X | 1 | 8.2 | 8.2 | 8.2 | 9 Jun 2025 |
| GHRP-2 Acetate | X | 1 | 6.0 | 6.0 | 6.0 | 21 May 2025 |
| Gonadorelin | X | 1 | 7.1 | 7.1 | 7.1 | 27 Feb 2025 |
| L-Carnitine 500mg | X | 1 | 4.7 | 4.7 | 4.7 | 2 Apr 2025 |
| Lipo-B 216mg | X | 1 | 5.9 | 5.9 | 5.9 | 2 Apr 2025 |
| MENT (Trestolone Acetate) | X | 1 | 6.4 | 6.4 | 6.4 | 2 Jul 2025 |
| Minoxidil Oral | X | 1 | 8.1 | 8.1 | 8.1 | 13 Jun 2025 |
| MOTS-C | X | 1 | 8.5 | 8.5 | 8.5 | 20 Jun 2025 |
| Nandrolone Decanoate (Deca) Raw | X | 1 | 6.1 | 6.1 | 6.1 | 13 Jun 2025 |
| Orforglipron | X | 1 | 6.7 | 6.7 | 6.7 | 3 Jul 2025 |
| Oxytocin Acetate | X | 1 | 8.1 | 8.1 | 8.1 | 3 Jul 2025 |
| PTD-DBM | X | 1 | 5.0 | 5.0 | 5.0 | 28 Mar 2025 |
| Selank | X | 1 | 9.5 | 9.5 | 9.5 | 13 Feb 2025 |
| SHRED (L-Carnitine 200mg+B12+B6+Inositol+Methionine+Choline) | X | 1 | 8.3 | 8.3 | 8.3 | 6 May 2025 |
| SNAP-8 | X | 1 | 6.8 | 6.8 | 6.8 | 3 Jul 2025 |
| Tesofensine | X | 1 | 7.8 | 7.8 | 7.8 | 11 Jun 2025 |
| Tren Hex | X | 1 | 5.4 | 5.4 | 5.4 | 13 Jun 2025 |
| Vilon | X | 1 | 7.3 | 7.3 | 7.3 | 9 Jun 2025 |
The certificates
| Date | Product | Score | Declared | Measured | Deviation | Purity | Laboratory |
|---|---|---|---|---|---|---|---|
| 24 May 2026 | Cartalax | 8.4 | 50mg | 52.7mg | +5.5% | 96.05% | Lab B |
| 24 May 2026 | Retatrutide | 5.1 | 30mg | 25mg | -16.7% | 99.78% | White Label / Silver Crimp / Black Cap |
| 24 May 2026 | Retatrutide | 7.8 | 10mg | 9.88mg | -1.2% | 99.81% | No Label / Silver Crimp / Clear Blue Cap |
| 24 May 2026 | ACE-031 | 4.3 | 2mg | 1.8mg | -12.3% | 98.50% | Lab F |
| 24 May 2026 | Oxytocin Acetate | 8.2 | 5mg | 5.3mg | +6.2% | 95.45% | Lab C |
| 24 May 2026 | Tren Hex | 7.4 | 300mg/ml | 333.9mg/ml | +11.3% | 98.06% | Lab B |
| 24 May 2026 | SHRED (L-Carnitine 200mg+B12+B6+Inositol+Methionine+Choline) | 7.0 | 200mg/ml | 200.0mg/ml | -0.0% | 97.35% | Lab A |
| 23 May 2026 | SNAP-8 | 7.7 | 5mg | 5.4mg | +7.4% | 98.15% | Lab C |
| 23 May 2026 | GHRP-2 Acetate | 6.6 | 30mg | 29.7mg | -1.0% | 95.95% | Lab D |
| 20 May 2026 | CJC-1295 With DAC | 7.1 | 20mg | 18.3mg | -8.3% | 98.87% | Lab D |
| 19 May 2026 | Retatrutide | 7.5 | 10mg | 10.5mg | +5.0% | 99.70% | No Label / Silver Crimp / Green Cap |
| 19 May 2026 | Dihexa | 5.6 | 50mg | 48.8mg | -2.5% | 96.02% | Lab B |
| 19 May 2026 | Minoxidil Oral | 9.2 | 50mg | 58.2mg | +16.3% | 95.13% | Lab B |
| 17 May 2026 | EPO | 6.7 | 10mg | 10.2mg | +1.6% | 99.63% | Lab A |
| 17 May 2026 | Lipo-B 216mg | 5.6 | 300mg/ml | 313.5mg/ml | +4.5% | 99.24% | Lab B |
| 29 Jan 2026 | L-Carnitine 500mg | 4.3 | 250mg/ml | 258.6mg/ml | +3.5% | 95.74% | Lab A |
| 26 Jan 2026 | 17a-Methyl-1-Testosterone | 6.6 | 10mg | 11.8mg | +17.9% | 98.02% | Lab C |
| 26 Jan 2026 | BPC157 10mg + TB500 10mg Blend | 9.1 | 15mg | 13.5mg | -10.0% | 98.13% | Lab C |
| 19 Jan 2026 | 1-Boc-4-(2-fluorophenylamino)piperidine CAS 887583-57-5 | 4.7 | 500g | 610.8g | +22.2% | 95.24% | Lab D |
| 19 Jan 2026 | Drostanolone Enanthate (Mast E) Raw | 5.7 | 10g | 9.1g | -9.1% | 96.80% | Lab B |
| 19 Jan 2026 | Gonadorelin | 6.7 | 10mg | 11.8mg | +18.0% | 96.70% | Lab E |
| 7 Jan 2026 | Retatrutide | 7.8 | 10mg | 9.8mg | -2.0% | 99.80% | No Label / Silver Crimp / Green Cap |
| 7 Jan 2026 | BAM15 | 4.0 | 100mg | 90.2mg | -9.8% | 99.29% | Lab E |
| 7 Jan 2026 | Vilon | 5.7 | 50mg | 58.1mg | +16.2% | 98.69% | Lab G |
| 6 Jan 2026 | AICAR Oral | 5.8 | 100mg | 87.4mg | -12.6% | 97.21% | Lab F |
| 1 Jan 2026 | Retatrutide | 4.7 | 15mg | 17.5mg | +16.7% | 99.60% | No Label / Silver Crimp / Clear Cap |
| 17 Dec 2025 | GHK-Cu | 5.2 | 50mg | 59.1mg | +18.2% | 99.95% | No Label / Copper Crimp / Clear Cap |
| 12 Dec 2025 | Blend 300 (TRA/Mast P/Test P) | 6.6 | 100mg/ml | 120.9mg/ml | +20.9% | 97.73% | Lab B |
| 12 Dec 2025 | Orforglipron | 6.1 | 25mg | 23.8mg | -4.7% | 98.78% | Lab C |
| 10 Dec 2025 | Retatrutide | 4.2 | 10mg | 8.65mg | -13.5% | 99.20% | No Label / Silver Crimp / Green Cap |
| 5 Dec 2025 | Anastrozole (Arimidex) Raw | 8.6 | 5g | 5.1g | +1.0% | 98.20% | Lab D |
| 5 Dec 2025 | Chonluten | 5.4 | 15mg | 13.6mg | -9.2% | 95.89% | Lab C |
| 5 Dec 2025 | Selank | 10.0 | 50mg | 52.2mg | +4.5% | 96.39% | Lab C |
| 17 Nov 2025 | MENT (Trestolone Acetate) | 7.1 | 200mg/ml | 178.7mg/ml | -10.6% | 99.51% | Lab G |
| 17 Nov 2025 | PTD-DBM | 4.5 | 30mg | 32.0mg | +6.7% | 96.29% | Lab A |
| 14 Nov 2025 | AICAR | 4.8 | 5mg | 5.4mg | +7.2% | 98.23% | Lab F |
| 14 Nov 2025 | Tesofensine | 7.9 | 25mg | 25.6mg | +2.2% | 96.61% | Lab B |
| 5 Nov 2025 | Nandrolone Decanoate (Deca) Raw | 6.5 | 100g | 90.1g | -9.9% | 98.58% | Lab C |
| 9 Oct 2025 | MOTS-C | 7.8 | 50mg | 53.4mg | +6.7% | 95.88% | Lab G |
| 3 Oct 2025 | Adipotide | 4.0 | 2mg | 2.1mg | +3.3% | 96.48% | Lab A |