Does Core Peptides do third-party lab testing?

Yes. Core Peptides uses independent third-party laboratory testing to verify product purity and identity. Certificates of Analysis are published and available for review.

What is Core Peptides's PeptideScores rating?

Core Peptides has an overall PeptideScores composite score of 96.4 out of 100. The score is calculated across six categories: purity (35%), reputation (20%), service (15%), shipping (15%), value (10%), and product selection (5%).

Where is Core Peptides based?

Core Peptides is based in United States. The vendor ships domestically only.

Core Peptides Review

Item: Core Peptides
Rating: 96.4
Author: The PeptideScores Research Desk

Core Peptides scores 96.4/100 from PeptideScores based on 75 verified third-party COAs, ranking #21 of 34 evaluated vendors as of September 2026.

Best for rare and specialist peptides

United States

premium

Last Reviewed September 2026

Elite Vendor

3rd-Party Tested

Verified Labs

Rare Peptides

Specialist

PeptideScores may earn affiliate commissions when you buy through links on this page. Commissions never influence scores, rankings, or placement.

About Core Peptides

Core Peptides pairs one of the broadest catalogs in the research space with third-party analytical verification: every batch is tested through Vanguard Scientific Laboratory, with mass spectrometry...

Highlights

Publishes COA certificates
Wide product selection
Stocks rare/specialist peptides
USA-based laboratory
Competitive pricing
Fast shipping times
Domestic shipping available
Accepts debit/credit cards
Accepts cryptocurrency
HPLC purity reports published
Mass spectrometry verified
Lyophilized powder format available
Peptide stacks / bundles available
No minimum order required
Reconstitution guides provided
Loyalty / rewards program

Detailed Scores

Purity & Testing

98.0/100

Service

97.5/100

Shipping

95.0/100

Value

88.0/100

Reputation

97.0/100

Product Selection

100.0/100

Identity & composition

Ipamorelin

TH-950 Ipamorelin 8mg C74182

Sep 2026

99.80%Purity

TH-950

TH-950 CJC 1295 Ipamorelin 12mg C74181

Sep 2026

98.31%Purity

Syn Coll Palmitoyl Tripeptide 5

Syn Coll Palmitoyl Tripeptide 5 200mg C73741

Sep 2026

99.80%Purity

Results apply only to the specific sample, lot, and date identified in the linked laboratory report.

Test Types from COAs

Identity & composition

HPLC Purity — Separates the sample into detectable components to estimate the proportion represented by the target compound.

Results apply only to the specific sample, lot, and date identified in the linked laboratory report.

Detailed Analysis

Purity & Testing

92/100

Elite

Lab

Vanguard Scientific Laboratory

Purity

>99%

Methods

HPLC + Mass Spec

Consistency

Excellent

COA Access20/20

Testing Independence20/20

Batch Integrity17/20

Verified Purity20/20

Testing Breadth8/10

COA Freshness7/10

COA on product page with HPLC + MS tabs confirmed. Freshness unverifiable via scrape. Score provisional pending freshness.

Product Selection

103

Peptides

Blends

March 2026

Last Verified

GH Secretagogues

Healing/Recovery

Longevity

Cosmetic Topicals

Bioregulators

Sexual Health

Cognition

Blends

Extensive bioregulator catalog. Large cosmetic topical range.

Customer Service

Live Chat No

Phone Support No

Email / Ticket Yes

Reship Policy Yes

Refund Policy Yes

support@corepeptides.com

Shipping

Dispatch TimeSame day before 1pm PST Mon-Fri

Domestic CostFree on orders $200+

International Shipping No

Order Tracking Yes

Express Option Yes

Discreet PackagingN/A

US only

Reputation

~2020

Est.

Moderate

None found

Known Incidents

Product Catalog

106 products

ABP-7 (10mg)

ACE-031 (1mg)

Acetyl Hexapeptide-3 (Argireline) (200mg)

Adipotide (FTPP) (10mg)

AHK-Cu (200mg)

AICAR (50mg)

AOD-9604 (5mg)

ARA-290 (16mg)

B7-33 (6mg)

BPC-157 (5mg / 10mg)

BPC-157 & TB-500 & GHK-Cu Blend (70mg)

BPC-157 & TB-500 Blend (10mg/20mg)

Bronchogen (20mg)

Cardiogen (20mg)

Cartalax (20mg)

Chonluten (20mg)

CJC-1295 (Mod GRF 1-29) & Hexarelin Blend (10mg)

CJC-1295 (Mod GRF 1-29) & Ipamorelin & GHRP-2 Blend (9mg)

CJC-1295 & GHRP-2 Blend (10mg)

CJC-1295 & GHRP-6 Blend (10mg)

CJC-1295 & Ipamorelin Blend (10mg)

CJC-1295 DAC (5mg)

CJC-1295 NO DAC (Mod GRF 1-29) (5mg)

Cortagen (20mg)

Decapeptide-12 (200mg)

DSIP (5mg)

Epithalon (25mg)

Follistatin-344 (1mg)

FOXO4-DRI (10mg)

Fragment 176-191 (5mg)

Fragment 176-191 & CJC-1295 & Ipamorelin Blend (12mg)

Fragment 176-191 & Mod GRF 1-29 & Ipamorelin Blend (12mg)

GHK Basic (50mg)

GHK Basic (Tripeptide-1) (200mg)

GHK-Cu (200mg)

GHK-Cu (Copper) (50mg)

GHRP-2 (5mg / 10mg)

GHRP-6 (5mg / 10mg)

Gonadorelin (GnRH) (10mg)

Hexarelin (5mg)

Humanin (10mg)

Ipamorelin (5mg)

Kisspeptin-10 (10mg)

KPV (4mg)

Lipopeptide (200mg)

Livagen (20mg)

LL-37 (5mg)

Matrixyl (200mg)

Melanotan 1 (10mg)

Melanotan 2 (10mg)

MGF (5mg)

MGF IGF-1 EC (5mg)

Mod GRF 1-29 & GHRP-2 Blend (10mg)

Mod GRF 1-29 & GHRP-6 Blend (10mg)

Mod GRF 1-29 & Ipamorelin Blend (10mg)

MOTS-C (10mg)

N-Acetyl Selank (10mg)

N-Acetyl Semax (25mg)

NAD+ (100mg / 250mg / 750mg)

Nonapeptide-1 (200mg)

Ovagen (20mg)

Oxytocin (10mg)

P21 (5mg)

Pal-AHK (200mg)

Pal-GHK (200mg)

Palmitoyl Tetrapeptide-7 (200mg)

Pancragen (20mg)

PE-22-28 (8mg)

PEG-MGF (5mg)

Pentapeptide-18 (Leuphasyl) (200mg)

Pinealon (20mg)

PNC-27 (5mg)

Prostamax (20mg)

PT-Agonist (PT-Agonist) (10mg)

PTD-DBM (5mg)

Receptor Grade IGF-1 LR3 (100mcg)

Receptor Grade IGF-1 LR3 (1mg)

GLP3

Selank (10mg)

GLP1

Semax (25mg)

Sermorelin (5mg)

Sermorelin & GHRP-2 Blend (10mg)

Sermorelin & GHRP-6 & GHRP-2 Blend (9mg)

Sermorelin & GHRP-6 Blend (10mg)

Sermorelin & Ipamorelin Blend (10mg)

SNAP-8 (200mg)

Syn-AKE (200mg)

Syn-Coll (Palmitoyl Tripeptide-5) (200mg)

TB-500 (Thymosin Beta 4) (5mg / 10mg)

TH-950 (5mg / 10mg)

TH-950 & CJC-1295 (Mod GRF 1-29) & Ipamorelin Blend (12mg)

TH-950 & Ipamorelin Blend (8mg)

Testagen (20mg)

Thymagen (20mg)

Thymalin (25mg)

Thymosin Alpha-1 (5mg / 10mg)

Thyrotropin TRH (25mg)

GLP2

Tripeptide-29 (200mg)

Triptorelin (2mg)

Vesilut (20mg)

Vesugen (20mg)

Vialox (Pentapeptide-3V) (200mg)

Vilon (20mg)

VIP (6mg)

ABP-7 (10mg)

ACE-031 (1mg)

Acetyl Hexapeptide-3 (Argireline) (200mg)

Adipotide (FTPP) (10mg)

AHK-Cu (200mg)

AICAR (50mg)

AOD-9604 (5mg)

ARA-290 (16mg)

B7-33 (6mg)

BPC-157 (5mg / 10mg)

Payment & Info

Accepted Payments

Credit cards (Visa, MasterCard, Discover, American Express), Venmo, Zelle, CashApp

Price Tier:premium

Location:United States

Is Core Peptides Legit?

Yes, Core Peptides is legit. It holds Elite Vendor status on PeptideScores with a composite score of 96.4 out of 100, meaning it meets independently verified standards for lab testing transparency, COA publication, and community reputation.

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Overall Score

96.4

out of 100

Rank Position#21

Ready to Order?

Visit Core Peptides directly and start your research today.

Core Peptides Review

About Core Peptides

Highlights

Detailed Scores

Certificates of Analysis

Test Types from COAs

Detailed Analysis

Purity & Testing

Product Selection

Customer Service

Shipping

Reputation

Product Catalog

Payment & Info

Accepted Payments

Is Core Peptides Legit?

Similar Vendors

Overall Score

Ready to Order?

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