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

Core Peptides prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| GHK-Cu | GHK Basic (Tripeptide-1) – 200MG1 × 200 mg | $157.00 | $0.785 | #173 of 199 | Buy |
| BPC-157 | BPC-157 – 5MG / 10MG 10mg1 × 10 mg | $97.00 | $9.70 | #177 of 183 | Buy |
| MOTS-c | MOTS-C – 10MG1 × 10 mg | $116.00 | $11.60 | #188 of 188 | Buy |
| NAD+ | NAD+ – 100MG / 250MG / 750MG 750mg1 × 750 mg | $292.00 | $0.389 | #187 of 189 | Buy |
| Tesamorelin | Tesamorelin – 5MG / 10MG 10mg1 × 10 mg | $79.00 | $7.90 | #150 of 184 | Buy |
| BPC-157 + TB-500 | BPC-157 & TB-500 Blend – 10MG / 20MG 20mg (10mg/10mg)1 × 20 mg | $195.00 | $9.75 | #163 of 169 | Buy |
| TB-500 | TB-500 (Thymosin Beta 4) – 5MG / 10MG 10mg1 × 10 mg | $140.00 | $14.00 | #170 of 174 | Buy |
| Semax | N-Acetyl Semax – 25MG1 × 25 mg | $60.00 | $2.40 | #89 of 163 | Buy |
| Selank | Selank – 10MG1 × 10 mg | $52.00 | $5.20 | #141 of 168 | Buy |
| Epithalon | Epithalon – 25MG1 × 25 mg | $90.00 | $3.60 | #124 of 149 | Buy |
| Ipamorelin | Ipamorelin – 5MG1 × 5 mg | $43.00 | $8.60 | #155 of 165 | Buy |
| DSIP | DSIP – 5MG1 × 5 mg | $41.00 | $8.20 | #130 of 151 | Buy |
| KPV | KPV – 4MG1 × 4 mg | $38.00 | $9.50 | #160 of 163 | Buy |
| Sermorelin | Sermorelin – 5MG1 × 5 mg | $48.00 | $9.60 | #124 of 135 | Buy |
| CJC-1295 (no DAC) | CJC-1295 NO DAC (Mod GRF 1-29) – 5MG1 × 5 mg | $41.00 | $8.20 | #115 of 135 | Buy |
| GLOW | BPC-157 & TB-500 & GHK-Cu Blend – 70MG1 × 70 mg | $150.00 | $2.14 | #148 of 162 | Buy |
| CJC-1295 (no DAC) + Ipamorelin | CJC-1295 & Ipamorelin Blend – 10MG1 × 10 mg | $80.00 | $8.00 | #134 of 149 | Buy |
| AOD-9604 | AOD 9604 – 5MG1 × 5 mg | $41.00 | $8.20 | #93 of 138 | Buy |
| Thymosin Alpha-1 | Thymosin Alpha-1 – 5MG / 10MG 10mg1 × 10 mg | $149.00 | $14.90 | #132 of 138 | Buy |
| KLOW | KLOW (BPC-157, KPV, TB-500, GHK-Cu) Blend – 80MG1 × 80 mg | $160.00 | $2.00 | #153 of 167 | Buy |
| Melanotan II | Melanotan 2 – 10MG1 × 10 mg · out of stock | $41.00 | $4.10 | #129 of 155 | Buy |
| Kisspeptin-10 | Kisspeptin-10 – 10MG1 × 10 mg | $63.00 | $6.30 | #98 of 125 | Buy |
| IGF-1 LR3 | Receptor Grade IGF-1 LR3 – 1MG1 × 1 mg | $150.00 | $150.00 | #122 of 127 | Buy |
| PT-141 | PT-141 (Bremelanotide) – 10MG1 × 10 mg | $43.00 | $4.30 | #114 of 158 | Buy |
| Oxytocin | Oxytocin – 10MG1 × 10 mg | $52.00 | $5.20 | #65 of 93 | Buy |
| CJC-1295 with DAC | CJC-1295 DAC – 5MG1 × 5 mg | $52.00 | $10.40 | #80 of 103 | Buy |
| VIP | VIP – 6MG1 × 6 mg | $64.00 | $10.67 | #84 of 91 | Buy |
| Pinealon | Pinealon – 20MG1 × 20 mg | $75.00 | $3.75 | #59 of 80 | Buy |
| ARA-290 | ARA-290 – 16MG1 × 16 mg | $92.00 | $5.75 | #91 of 105 | Buy |
| GHRP-2 | GHRP-2 – 5MG / 10MG 10mg1 × 10 mg | $29.00 | $2.90 | #42 of 73 | Buy |
| Snap-8 | SNAP-8 – 200MG1 × 200 mg | $176.00 | $0.880 | #52 of 108 | Buy |
| Melanotan I | Melanotan 1 – 10MG1 × 10 mg | $43.00 | $4.30 | #92 of 109 | Buy |
| LL-37 | LL-37 – 5MG1 × 5 mg | $89.00 | $17.80 | #97 of 102 | Buy |
| GHRP-6 | GHRP-6 – 5MG / 10MG 10mg1 × 10 mg | $29.00 | $2.90 | #46 of 74 | Buy |
| Ipamorelin + Tesamorelin | Tesamorelin & Ipamorelin Blend – 8MG1 × 8 mg | $90.00 | $11.25 | #62 of 66 | Buy |
| AHK-Cu | Pal-AHK – 200MG1 × 200 mg | $176.00 | $0.880 | #51 of 54 | Buy |
| Hexarelin | Hexarelin – 5MG1 × 5 mg | $47.00 | $9.40 | #48 of 60 | Buy |
| FOXO4-DRI | FOXO4-DRI – 10MG1 × 10 mg | $235.00 | $23.50 | #66 of 71 | Buy |
| Cartalax | Cartalax – 20MG1 × 20 mg | $63.00 | $3.15 | #49 of 61 | Buy |
| Thymalin | Thymalin – 25MG1 × 25 mg | $138.00 | $5.52 | #56 of 62 | Buy |
Price rank compares Core Peptides's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from Core Peptides's website and may have changed.
Core Peptides across independent sources
Every source we have for Core 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 Core Peptides vial tested? Send us the report.
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 6 tests, passed 67% (95% range 30–90%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 92% (middle half 86–98%, 4 reports); within ±10% of label 50% (95% range 15–85%); purity median 99.89% | |
| Vendor's own COAsReports the vendor chose to publish | 40 reports, no readable numbers; purity median 99.18% | Below |
| PepIndexScores how much evidence a vendor publishes (transparency, not quality) | 24/100 at 27% coverage, #50 of 58; checked 2026-09-28 | PepIndex page (data CC BY 4.0) |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
| PeptideBaseChecks published COAs against the issuing lab | See their page | PeptideBase page |
| Peptide CriticBuys some products to test, and investigates vendors | See their page | Peptide Critic page |
| PeptideCheckedReviews vendors' lab-verification evidence | See their page | PeptideChecked page |
Core Peptides independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. Core Peptides scores 76% and ranks #196, with 4 of 6 tests passed; latest test 9 Sept 2026. Full record on Finnrick.
| Date | Peptide | Result |
|---|---|---|
| 9 Sep 2026 | Retatrutide | Pass |
| 4 Sep 2026 | Tirzepatide | Fail |
| 28 Aug 2026 | Retatrutide | Fail |
| 17 Jun 2026 | Tirzepatide | Pass |
| 25 Nov 2025 | Retatrutide | Pass |
| 9 Jun 2025 | Tirzepatide | Pass |
Core Peptides COA and lab reports
Core Peptides publishes 40 certificates of analysis, 40 with readable numbers, from Vanguard Laboratory.
| Peptide | Lab | Date | Purity | Measured vs label |
|---|---|---|---|---|
| Adipotide | Vanguard Laboratory | 2026-08-21 | 98.42% | – |
| Bronchogen | Vanguard Laboratory | 2026-08-21 | 99.1% | – |
| Cardiogen | Vanguard Laboratory | 2026-08-21 | 99.8% | – |
| CJC-1295 (no DAC) + Hexarelin | Vanguard Laboratory | 2026-08-21 | 99.06% | – |
| GHK-Cu | Vanguard Laboratory | 2026-08-21 | 99.8% | – |
| Gonadorelin | Vanguard Laboratory | 2026-08-21 | 99.43% | – |
| Pentapeptide-18 | Vanguard Laboratory | 2026-08-21 | 99.56% | – |
| PNC-27 | Vanguard Laboratory | 2026-08-21 | 98.33% | – |
| Prostamax | Vanguard Laboratory | 2026-08-21 | 98.95% | – |
| Thymosin Alpha-1 | Vanguard Laboratory | 2026-08-21 | 99.22% | – |
| KLOW | Vanguard Laboratory | 2026-08-05 | 99.64% | – |
| AHK-Cu | Vanguard Laboratory | 2026-07-22 | 99.8% | – |
All Core Peptides COA documents
- Adipotide · Vanguard Laboratory · 2026-08-21 · 98.42% pure View COA
- Bronchogen · Vanguard Laboratory · 2026-08-21 · 99.1% pure View COA
- Cardiogen · Vanguard Laboratory · 2026-08-21 · 99.8% pure View COA
- CJC-1295 (no DAC) + Hexarelin · Vanguard Laboratory · 2026-08-21 · 99.06% pure View COA
- GHK-Cu · Vanguard Laboratory · 2026-08-21 · 99.8% pure View COA
- GHK-Cu · Vanguard Laboratory · 2026-08-21 · 99.8% pure View COA
- Gonadorelin · Vanguard Laboratory · 2026-08-21 · 99.43% pure View COA
- Pentapeptide-18 · Vanguard Laboratory · 2026-08-21 · 99.56% pure View COA
- PNC-27 · Vanguard Laboratory · 2026-08-21 · 98.33% pure View COA
- Prostamax · Vanguard Laboratory · 2026-08-21 · 98.95% pure View COA
- Thymosin Alpha-1 · Vanguard Laboratory · 2026-08-21 · 99.22% pure View COA
- KLOW · Vanguard Laboratory · 2026-08-05 · 99.64% pure View COA
- AHK-Cu · Vanguard Laboratory · 2026-07-22 · 99.8% pure View COA
- AICAR · Vanguard Laboratory · 2026-07-22 · 99.8% pure View COA
- AOD-9604 · Vanguard Laboratory · 2026-07-22 · 99.08% pure View COA
- ARA-290 · Vanguard Laboratory · 2026-07-22 · 99.03% pure View COA
- BPC-157 · Vanguard Laboratory · 2026-07-22 · 99.8% pure View COA
- BPC-157 · Vanguard Laboratory · 2026-07-22 · 99.8% pure View COA
- BPC-157 + TB-500 · Vanguard Laboratory · 2026-07-22 · 99.5% pure View COA
- BPC-157 + TB-500 · Vanguard Laboratory · 2026-07-22 · 99.5% pure View COA
- GLOW · Vanguard Laboratory · 2026-07-22 · 99.5% pure View COA
- Cartalax · Vanguard Laboratory · 2026-07-22 · 99.5% pure View COA
- Chonluten · Vanguard Laboratory · 2026-07-22 · 99.5% pure View COA
- CJC-1295 with DAC · Vanguard Laboratory · 2026-07-22 · 99.43% pure View COA
- CJC-1295 (no DAC) + GHRP-2 · Vanguard Laboratory · 2026-07-22 · 98.17% pure View COA
- CJC-1295 (no DAC) + GHRP-6 · Vanguard Laboratory · 2026-07-22 · 99% pure View COA
- CJC-1295 (no DAC) + Ipamorelin · Vanguard Laboratory · 2026-07-22 · 99.06% pure View COA
- CJC-1295 (no DAC) + GHRP-2 + Ipamorelin · Vanguard Laboratory · 2026-07-22 · 98.49% pure View COA
- CJC-1295 (no DAC) · Vanguard Laboratory · 2026-07-22 · 99.02% pure View COA
- DSIP · Vanguard Laboratory · 2026-07-22 · 99.14% pure View COA
- Epithalon · Vanguard Laboratory · 2026-07-22 · 99.38% pure View COA
- FOXO4-DRI · Vanguard Laboratory · 2026-07-22 · 99.53% pure View COA
- HGH Fragment 176-191 · Vanguard Laboratory · 2026-07-22 · 99.08% pure View COA
- CJC-1295 (no DAC) + HGH Fragment 176-191 + Ipamorelin · Vanguard Laboratory · 2026-07-22 · 99% pure View COA
- GHRP-2 · Vanguard Laboratory · 2026-07-22 · 98.69% pure View COA
- GHRP-2 · Vanguard Laboratory · 2026-07-22 · 99.02% pure View COA
- GHRP-6 · Vanguard Laboratory · 2026-07-22 · 99.24% pure View COA
- GHRP-6 · Vanguard Laboratory · 2026-07-22 · 99.01% pure View COA
- Hexarelin · Vanguard Laboratory · 2026-07-22 · 99.08% pure View COA
- Livagen · Vanguard Laboratory · 2026-07-22 · 99.05% pure View COA
Ordering
- Website
- www.corepeptides.com
- How to order
- Online checkout
- Shipping to the US
- $12.00, free over $200
- Payment
- card (Inovio), ACH e-check (Yodlee), zelle, cashapp, crypto (NOWPayments)
- Ships from
- US
FAQ
Is Core Peptides legit?
Core Peptides has a Finnrick score of 76% (#196), with 4 of 6 independent lab tests passed. No red flags were found in its published COAs.
Does Core Peptides publish COAs or lab test results?
Yes: 40 published certificates of analysis, 40 with readable numbers, from Vanguard Laboratory.
Has Core Peptides been independently lab tested?
Finnrick has tested Core Peptides 6 times, with 4 of 6 passed.
How do you order from Core Peptides?
Online checkout. US shipping: $12.00, free over $200.