Is Penguin Peptides legit?
Penguin Peptides review: independent lab test results, published COAs, prices and ordering terms.
73%Finnrick score · #237
5 of 9Finnrick tests passed
40published COAs
47peptides listed
Penguin Peptides prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| Tirzepatide | GLP-1 T 200mg1 × 200 mg | $529.00 | $2.65 | #122 of 183 | Buy |
| Retatrutide | GLP-3 R 100 mg1 × 100 mg | $479.00 | $4.79 | #133 of 198 | Buy |
| Semaglutide | GLP-1 S 30 mg1 × 30 mg | $152.00 | $5.07 | #103 of 138 | Buy |
| GHK-Cu | GHK-Cu 100 mg1 × 100 mg | $74.00 | $0.740 | #167 of 199 | Buy |
| BPC-157 | BPC 157 10 mg1 × 10 mg | $62.00 | $6.20 | #161 of 183 | Buy |
| MOTS-c | MOTS-c 40 mg1 × 40 mg | $197.00 | $4.93 | #165 of 188 | Buy |
| NAD+ | NAD+ 1000mg1 × 1000 mg | $119.00 | $0.119 | #138 of 189 | Buy |
| Tesamorelin | Tesamorelin 20 mg1 × 20 mg | $125.00 | $6.25 | #126 of 184 | Buy |
| BPC-157 + TB-500 | BPC-157 + TB-500 10mg+10mg1 × 20 mg | $100.00 | $5.00 | #130 of 169 | Buy |
| TB-500 | TB 500 10 mg1 × 10 mg | $70.00 | $7.00 | #143 of 174 | Buy |
| Selank | Selank 10 mg1 × 10 mg | $85.00 | $8.50 | #166 of 168 | Buy |
| Semax | Semax 10 mg1 × 10 mg | $85.00 | $8.50 | #161 of 163 | Buy |
| 5-Amino-1MQ | 5-amino-1mq 50mg1 × 50 mg | $87.00 | $1.74 | #92 of 130 | Buy |
| Epithalon | Epithalon 10mg1 × 10 mg | $52.00 | $5.20 | #144 of 149 | Buy |
| Ipamorelin | Ipamorelin 10 mg1 × 10 mg | $60.00 | $6.00 | #129 of 165 | Buy |
| Cagrilintide | GLP-1 C 10 mg1 × 10 mg | $132.00 | $13.20 | #128 of 152 | Buy |
| DSIP | DSIP 5mg1 × 5 mg | $40.00 | $8.00 | #124 of 151 | Buy |
| KPV | KPV 10mg1 × 10 mg | $69.00 | $6.90 | #148 of 163 | Buy |
| Sermorelin | Sermorelin 10mg1 × 10 mg | $67.00 | $6.70 | #94 of 135 | Buy |
| CJC-1295 (no DAC) | CJC-1295 No DAC 5mg1 × 5 mg | $55.00 | $11.00 | #127 of 135 | Buy |
| GLOW | GLOW 70mg1 × 70 mg | $124.00 | $1.77 | #136 of 162 | Buy |
| CJC-1295 (no DAC) + Ipamorelin | CJC no DAC + IPA 10mg+10mg1 × 20 mg | $110.00 | $5.50 | #102 of 149 | Buy |
| AOD-9604 | AOD9604 5mg1 × 5 mg | $42.00 | $8.40 | #95 of 138 | Buy |
| Thymosin Alpha-1 | Thymosin Alpha-1 10 mg1 × 10 mg | $97.00 | $9.70 | #117 of 138 | Buy |
| KLOW | KLOW 80mg1 × 80 mg | $134.00 | $1.68 | #137 of 167 | Buy |
| Glutathione | Glutathione 1500 mg1 × 1500 mg · out of stock | $72.00 | $0.048 | #87 of 123 | Buy |
| Melanotan II | MT-2 (Melanotan 2) 10mg1 × 10 mg | $52.00 | $5.20 | #144 of 155 | Buy |
| Kisspeptin-10 | KissPeptin 10 mg1 × 10 mg | $72.00 | $7.20 | #105 of 125 | Buy |
| IGF-1 LR3 | IGF-1 LR3 1mg1 × 1 mg | $67.00 | $67.00 | #88 of 127 | Buy |
| PT-141 | PT-141 10mg1 × 10 mg | $55.00 | $5.50 | #141 of 158 | Buy |
| Oxytocin | Oxytocin-Acetate 2mg1 × 2 mg | $42.00 | $21.00 | #92 of 93 | Buy |
| CJC-1295 with DAC | CJC-1295 (WITH DAC) 5mg1 × 5 mg | $57.00 | $11.40 | #86 of 103 | Buy |
| VIP | VIP 10mg1 × 10 mg | $37.00 | $3.70 | #51 of 91 | Buy |
| ARA-290 | Ara-290 10mg1 × 10 mg | $62.00 | $6.20 | #95 of 105 | Buy |
| Snap-8 | Snap-8 10mg1 × 10 mg | $40.00 | $4.00 | #93 of 108 | Buy |
| Melanotan I | Melanotan 1 10mg1 × 10 mg · out of stock | $64.00 | $6.40 | #106 of 109 | Buy |
| Adamax | Adamax 10mg1 × 10 mg | $74.00 | $7.40 | #52 of 61 | Buy |
| LL-37 | LL37 5mg1 × 5 mg | $92.00 | $18.40 | #99 of 102 | Buy |
| Ipamorelin + Tesamorelin | Tesa 10mg / Ipa 3mg1 × 13 mg | $119.00 | $9.15 | #55 of 66 | Buy |
| AHK-Cu | AHK-Cu 100mg1 × 100 mg | $74.00 | $0.740 | #46 of 54 | Buy |
Price rank compares Penguin Peptides's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from Penguin Peptides's website and may have changed.
Penguin Peptides across independent sources
Every source we have for Penguin 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 Penguin Peptides vial tested? Send us the report.
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 9 tests, passed 56% (95% range 27–81%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 102% (middle half 99–106%, 7 reports); within ±10% of label 86% (95% range 49–97%); purity median 99.9% | |
| Vendor's own COAsReports the vendor chose to publish | 40 reports, no readable numbers | Below |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
Penguin Peptides independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. Penguin Peptides scores 73% and ranks #237, with 5 of 9 tests passed; latest test 6 Aug 2026. Full record on Finnrick.
Tirzepatide 75% (6 tests)Retatrutide 72% (3 tests)
| Date | Peptide | Result |
|---|---|---|
| 6 Aug 2026 | Tirzepatide | Fail |
| 20 Jul 2026 | Retatrutide | Fail |
| 10 Jul 2026 | Retatrutide | Fail |
| 16 Jun 2026 | Tirzepatide | Pass |
| 1 Jun 2026 | Tirzepatide | Pass |
| 17 Mar 2026 | Retatrutide | Pass |
| 4 Mar 2026 | Tirzepatide | Fail |
| 19 Jan 2026 | Tirzepatide | Pass |
| 23 Oct 2025 | Tirzepatide | Pass |
Penguin Peptides COA and lab reports
Penguin Peptides publishes 40 certificates of analysis, 0 with readable numbers, from Janoshik.
All Penguin Peptides COA documents
- Retatrutide · Janoshik · 2026-05-26 View COA (image)
- Retatrutide · Janoshik · 2026-05-26 View COA (image)
- Retatrutide · Janoshik · 2026-05-26 View COA (image)
- BPC-157 + TB-500 · Janoshik · 2026-05-26 View COA (image)
- BPC-157 + TB-500 · Janoshik · 2026-05-26 View COA (image)
- Retatrutide · lab not named View COA (image)
- Retatrutide · lab not named View COA (image)
- Retatrutide · lab not named View COA (image)
- Retatrutide · lab not named View COA (image)
- Retatrutide · lab not named View COA (image)
- BPC-157 · lab not named View COA (image)
- BPC-157 · lab not named View COA (image)
- Selank · lab not named View COA (image)
- Selank · lab not named View COA (image)
- AOD-9604 · lab not named View COA (image)
- TB-500 · lab not named View COA (image)
- TB-500 · lab not named View COA (image)
- HGH · lab not named View COA (image)
- HGH · lab not named View COA (image)
- Semaglutide · lab not named View COA (image)
- Semaglutide · lab not named View COA (image)
- Semaglutide · lab not named View COA (image)
- Semaglutide · lab not named View COA (image)
- Tesamorelin · lab not named View COA (image)
- Tesamorelin · lab not named View COA (image)
- Ipamorelin · lab not named View COA (image)
- Ipamorelin · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- Cagrilintide · lab not named View COA (image)
- Cagrilintide · lab not named View COA (image)
- Semaglutide · lab not named View COA (image)
- Sermorelin · lab not named View COA (image)
- NAD+ · lab not named View COA (image)
Ordering
- Website
- penguinpeptides.com
- Location
- US
- How to order
- Account needed
- Shipping to the US
- $12.00, free over $50
- Payment
- card (NMI / hosted), Cash App, Klarna, Afterpay, Zelle, Link Money (bank)
- Ships from
- US
FAQ
Is Penguin Peptides legit?
Penguin Peptides has a Finnrick score of 73% (#237), with 5 of 9 independent lab tests passed. No red flags were found in its published COAs.
Does Penguin Peptides publish COAs or lab test results?
Yes: 40 published certificates of analysis, 0 with readable numbers, from Janoshik.
Has Penguin Peptides been independently lab tested?
Finnrick has tested Penguin Peptides 9 times, with 5 of 9 passed.
How do you order from Penguin Peptides?
Account needed. US shipping: $12.00, free over $50.