Core Peptides review: 83/100, strong testing evidence
As of October 2026, Core Peptides (corepeptides.com, since 2019) lists a lot number, test date, purity and COA PDF for each vial size on its product pages, tested by Vanguard Laboratory using HPLC; no mass-spec identity test is shown. Finnrick's public record shows 5 of 7 independent tests passed, all on GLP-1 compounds. It ships US-only, $12 by USPS Priority, free over $200.
Our verdict on Core Peptides
Strong testing evidence
83/100A
#1 of 11 ranked vendors
- Publishes lot-matched COAs
- Named lab: Vanguard Laboratory (A2LA-accredited)
- 71% of 7 independent tests passed
Last verified How we score
What to know before buying
Lookalike sites use the name
"Official store: www.corepeptides.com only." Copycat domains and disabled Meta ad pages have traded on the name.
Verified· Oct 21, 2026Site footerReturns policy contradicts itself
Get refund terms in writing before ordering.
Verified· Oct 21, 2026Terms
COA and testing record
- Publishes COAs
- Yes · open COA libraryVerified· Oct 21, 2026Product page
- Lot-matched
- Yes
Lot per vial size, e.g. BPC-157 5 mg lot C74112 and 10 mg lot C74113, tested 7/22/2026, >99.80%.
Verified· Oct 21, 2026Product page - Testing labs
- Vanguard Laboratory (A2LA-accredited)Verified· Oct 21, 2026About
- Methods shown
- HPLC-UV/VIS purityVerified· Oct 21, 2026Product page
- Purity claim
- 99%+ by HPLCVerified· Oct 21, 2026Product page
- Independent tests
- Finnrick: 5 of 7 classifiable tests passed, all on GLP-1 compounds (rating 77%, #191 of 482). Latest test Oct 1, 2026.Verified· Oct 21, 2026Finnrick
Prices
Vials only. GLP-1 compounds not tracked.
| Compound | Vial | Price | Per mg | Links |
|---|---|---|---|---|
| BPC-157 | 5 mg | $52 | $10.40 | compare |
| BPC-157 | 10 mg | $97 | $9.70 | compare |
| BPC-157 + TB-500 blendregular $112; 5 mg + 5 mg | 10 mg | $105vendor sale | $10.50 | compare |
| BPC-157 + TB-500 blend10 mg + 10 mg | 20 mg | $195 | $9.75 | compare |
| CJC-1295 (no DAC) + Ipamorelin5 mg + 5 mg | 10 mg | $80 | $8.00 | compare |
| CJC-1295 (no DAC) + Ipamorelin | 10 mg | $84 | $8.40 | compare |
| DSIP | 5 mg | $41 | $8.20 | compare |
| Epithalon | 25 mg | $90 | $3.60 | compare |
| GHK-Curegular $69 | 50 mg | $58vendor sale | $1.16 | compare |
| Ipamorelinregular $46 | 5 mg | $43vendor sale | $8.60 | compare |
| KPVregular $45 | 4 mg | $38vendor sale | $9.50 | compare |
| MOTS-c | 10 mg | $116 | $11.60 | compare |
| NAD+ | 100 mg | $47 | $0.47 | compare |
| NAD+ | 250 mg | $103 | $0.41 | compare |
| NAD+ | 750 mg | $292 | $0.39 | compare |
| Selank | 10 mg | $52 | $5.20 | compare |
| Semax | 25 mg | $63 | $2.52 | compare |
| TB-500 | 5 mg | $78 | $15.60 | compare |
| TB-500 | 10 mg | $140 | $14.00 | compare |
| Tesamorelin | 5 mg | $43 | $8.60 | compare |
| Tesamorelin | 10 mg | $79 | $7.90 | compare |
| Thymosin Alpha-1 | 5 mg | $81 | $16.20 | compare |
| Thymosin Alpha-1 | 10 mg | $149 | $14.90 | compare |
Catalog, shipping and payment
- Catalog access
- publicVerified· Oct 21, 2026Store
- Sells (non-GLP)
- BPC-157, TB-500, BPC-157 + TB-500, GHK-Cu, NAD+, MOTS-c, CJC-1295 + Ipamorelin, Ipamorelin, Tesamorelin, Semax, Selank, Epitalon, KPV, DSIP, Thymosin Alpha-1Verified· Oct 21, 2026Store
- Shipping
- US only. USPS Priority $12 (1-3 business days), free over $200; UPS Overnight $49.Verified· Oct 21, 2026Shipping
- Payment
- Card (full list not stated)Verified· Oct 21, 2026Shipping
- Returns
- Contradictory: the shipping page allows refund requests up to 30 days after ordering; the Terms say all sales are final.
- Company
- Not found. Unverified
- Age
- Domain registered 2019-10-13Verified· Oct 21, 2026RDAP
Enforcement history
No FDA warning letter, lawsuit or regulator alert naming Core Peptides was found as of Oct 21, 2026. See the full enforcement tracker.
Score breakdown
Method score
83/100
#1 of 11 ranked
How scores work- COA transparency
- 35/40
- Independent tests
- 18/25
- Regulatory record
- 20/20
- Policy clarity
- 10/15
Line-by-line breakdown
- Publishes COAs publicly15/15COAs viewable without an account
- COAs matched to lot numbers10/10Lot number on COA matches the vial
- Names an independent lab10/10Vanguard Laboratory (A2LA-accredited)
- Identity test (mass spec)0/5Only purity (HPLC) or nothing shown
- Independent test pass rate18/2571% of 7 public tests passed
- Regulatory record20/20No FDA letter or regulator alert found
- Published shipping policy5/5Yes
- Published returns policy5/5Yes
- Identifiable company0/5Not identified
Head to head
Top-scoring alternatives
Questions
What is our Core Peptides review verdict?
Yes, Core Peptides is a real store with strong, checkable testing evidence: it scores 83/100 (grade A) on our published COA and testing method.
How is Core Peptides's score calculated?
Up to 40 points for COA transparency, 25 for independent lab results (only with at least five public tests), 20 for regulatory record and 15 for policy clarity. Only facts we verified in a primary source score, and payment can't change a score.
Where does Core Peptides ship and how do I pay?
US only. USPS Priority $12 (1-3 business days), free over $200; UPS Overnight $49. Payment: Card (full list not stated).
Does Core Peptides have a discount code?
We hold no verified percentage code for Core Peptides.