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Core Research Peptides

United States · coreresearchpeptides.com · last reviewed 24 Sept 2026

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6.4/ 10

PepFinder Score

Established
Transparency Score
5.4/10Provisional
Customer Rating
Not enough reviews
Verification
Unverified
Last checked
Not yet checked

Quick summary

PepFinder Score
6.4/10
Customer rating
No reviews yet
Product selection
17 peptides listed · 7.7/10
Prices
13% more expensive than average per mg
Typical delivery
Stated: Unopened, intact products returned within 14 days of delivery.
Payment methods
VisaMastercardZelleVenmoCash AppCryptocurrencyCard
Support channels
None found yet
Ships from
United States
Ships to
Australia, Canada, United Kingdom, New Zealand, United States
Would order again
Needs 5+ reviews

Core Research Peptides customer reviews

Customer reviews

No approved reviews yet.

Write the first review

Reviews are moderated before publication. Suppliers can reply but cannot remove them. Review policy

Ratings by category

How we rate

Product selection

7.7/10
Automated data
  • Lists 17 of the peptides we track across 18 products
  • 100% of listings with a known stock status are in stock

Pricing and value

5.3/10
Automated data
13% more expensive than average per mg
  • Median price per mg is 13% above the same-currency market median, across 18 comparable listings

Delivery

5.0/10
Automated data
Stated: “Unopened, intact products returned within 14 days of delivery.” · Ships to Australia, Canada, United Kingdom, New Zealand, United States
  • States delivery within 14 days (“Unopened, intact products returned within 14 days of delivery.”)

Payment options

10.0/10
Automated data
VisaMastercardZelleVenmoCash AppCryptocurrencyCard
  • 7 payment methods shown across 4 types of payment

Customer support

5.0/10
Automated data
  • Publishes contact details

Website experience

Not rated yet
  • Rated by customers. Not enough reviews yet.

Reliability

7.0/10
Automated data
  • Publishes contact details
  • Publishes a refund or returns policy

Packaging

Not rated yet
  • Rated by customers. Not enough reviews yet.

Each rating shows where it comes from. Automated data is what we read from the supplier's website and listings; customer ratings take over as reviews come in. No customer has reviewed this supplier yet. Be the first. Payment for a listing never changes a rating.

Is Core Research Peptides legit? What we can check

No website can promise that a supplier is trustworthy. These are the checks we can make from public records, the supplier’s own website and our reviews. They are the same checks as in our guide to spotting an unreliable supplier.

  • Named company (Not known)

    Not yet checked.

  • Website history (Not known)

    Domain age not yet recorded.

  • Ways to get in touch (Not known)

    Contact channels not yet recorded.

  • Written policies (In place)

    Refund policy and terms published.

  • Independent testing (Not known)

    Core Research Peptides states that its products are independently tested, links a certificates-of-analysis or lab-results page, names Janoshik, Freedom Diagnostics. PepFinder has not yet collected or reviewed any of its certificates, so this is the supplier's own claim.

  • PepFinder verification (Not known)

    Not verified. Most suppliers are not; verification is voluntary.

  • Regulator notices and warnings (In place)

    None found in our records.

  • Card payments (In place)

    Card payment shown on the website, which usually allows a chargeback if an order goes wrong.

  • Customer reviews (Not known)

    No reviews on PepFinder yet.

Listed catalogue and prices

18 products · last checked 24 Sept 2026
Product (as listed)PricePer mg
US$39.00
5mg
US$7.80
US$59.00
10mg
US$5.90
US$39.00
5mg
US$7.80
US$77.00
5mg
US$15.40
US$34.00
5mg
US$6.80
US$44.00
10mg
US$4.40
US$42.00
50mg
US$0.84
US$39.00
5mg
US$7.80

Product names, photos, quantities and prices are as publicly listed by the supplier; photos load from the supplier’s own website. “vs market” compares price per mg with the median across tracked suppliers listing the same peptide in the same currency; prices are never converted between currencies. We do not sell these products and give no guidance on their use.

What customers say

Pros and cons appear here once at least 5 customers have rated the same part of the experience. We don't write them ourselves. Write a review

Company information

Trading name
Core Research Peptides
Location
United States
First tracked by us
24 Sept 2026
Estimated years active
0.0 years
Website
coreresearchpeptides.com
Email
info@coreresearchpeptides.com

Shipping, payment and policies

Ships to
Australia, Canada, United Kingdom, New Zealand, United States
Delivery estimate (stated)
Unopened, intact products returned within 14 days of delivery.
Shipping policy clear
Not yet assessed
Payment methods
Visa, Mastercard, Zelle, Venmo, Cash App, Cryptocurrency, Card
Refund policy
Published
Refund policy clear
Not yet assessed
Returns policy
Published
Terms of sale
Published
Privacy policy
Published

Testing & transparency

For readers who want the detail: what Core Research Peptides says about testing, the certificates of analysis we hold, and our Transparency Score. This is separate from the PepFinder Score above.

Transparency review · updated 24 Sept 2026

Core Research Peptides: testing and transparency

Core Research Peptides is a United States-based research-peptide supplier listing 17 of the peptides we track, priced in USD. Where it does well: states independent testing and names Janoshik and Freedom Diagnostics; links a certificates-of-analysis page (not yet reviewed by us). Where it falls short: prices 21% above the market median per mg; we found no company name or registration number on its website. Our Transparency Score is 5.4/10, provisional until more of our criteria have been assessed.

5.4/ 10Provisional

Transparency Score

What we like

  • States independent testing and names Janoshik and Freedom Diagnostics
  • Links a certificates-of-analysis page (not yet reviewed by us)
  • Refund, terms and privacy policies published
  • States delivery times (“Unopened, intact products returned within 14 days of delivery.”)

What to be aware of

  • Prices 21% above the market median per mg
  • We found no company name or registration number on its website

Rating breakdown

Testing transparency

Names Janoshik and Freedom Diagnostics

6.1

Business transparency

Company identity, contact details, sourced evidence

3.7

Shipping and policies

Delivery information, refund, terms and privacy

10.0

Longevity

No outside date yet

Customer reviews

No reviews yet

Value for money· not scored

21% above the market median per mg

4.9

Out of 10. A dash means not assessed yet. Value compares listed prices per mg with other suppliers in the same currency and does not affect the score. How we score

Key facts

Based in
United States
Serves
Australia, Canada, United Kingdom, New Zealand and United States
Peptides listed
17
Currencies
USD
Payment methods
Visa, Mastercard, Zelle, Venmo, Cash App, Cryptocurrency, Card
Delivery
Unopened, intact products returned within 14 days of delivery.
Online since
Unknown
Testing labs named
Janoshik, Freedom Diagnostics
5.4/ 10Provisional

Transparency Score

Out of 10 · methodology v1 · updated 24 Sept 2026 · 47% of criteria assessed

Testing, documentation and business transparency. Separate from the PepFinder Score. Paid plans and sponsorship cannot change it. How it is calculated

Testing transparency25%6.1
Business transparency20%2.7
Documentation15%4.7
User reviews15%n/a
Customer service10%n/a
Shipping transparency5%10.0
Longevity5%n/a
Policy transparency5%10.0
Show every factor

Testing transparency 6.1

  • Links a certificates-of-analysis page (not yet reviewed by us)12.5/25
  • ? COAs are batch-specificnot assessed
  • States third-party (independent) testing20/20
  • Names the testing laboratories10/10
  • ? Laboratory accreditation is identifiablenot assessed
  • COAs reviewed by us in the last 12 months0/15

Business transparency 2.7

  • ? Legal entity behind the site is disclosednot assessed
  • Company registration number published0/25
  • Registry status is active0/10
  • VAT number published0/5
  • ? Business address is publicnot assessed
  • Contact details are public15/15
  • ? Manufacturing/source location disclosednot assessed

Documentation 4.7

  • Sourced evidence on record40/40
  • Share of evidence independently verified0/30
  • ? Batch numbers are publicnot assessed
  • A testing document checked in the last 6 months0/15

User reviews

No approved reviews yet.

    Customer service

    Not yet assessed by the editorial team.

      Shipping transparency 10.0

      • ? Shipping policy is clearnot assessed
      • Delivery estimate stated30/30
      • Shipping destinations listed30/30

      Longevity

      No domain record or founding date researched yet.

        Policy transparency 10.0

        • ? Refund policy is clearnot assessed
        • ? Terms of sale are clearnot assessed
        • Refund or returns policy published20/20
        • Terms of sale published20/20
        • Privacy policy published20/20

        Testing transparency

        Certificates of analysis
        Testing claimed, not reviewedSupplier claims

        Core Research Peptides states that its products are independently tested, links a certificates-of-analysis or lab-results page, names Janoshik, Freedom Diagnostics. PepFinder has not yet collected or reviewed any of its certificates, so this is the supplier's own claim.

        Batch-specific COAs
        Not yet assessed
        States third-party testing
        Yes
        Laboratories named by the supplier
        Janoshik, Freedom Diagnostics
        Lab accreditation identifiable
        Not yet assessed
        Batch numbers public
        Not yet assessed
        Manufacturing/source location disclosed
        Not yet assessed
        Testing documents we hold
        None yet

        We record what testing documents state and where they came from. We do not test products, and a certificate is not evidence that a product is safe for any use.

        Core Research Peptides: common questions

        Is Core Research Peptides legit?

        We cannot vouch for any supplier, but we can report what the record shows. Core Research Peptides meets 3 of the 9 checks we make, with nothing flagged. Each check, and its source, is listed on this page.

        Where is Core Research Peptides based?

        Our records place Core Research Peptides in United States.

        Which countries does Core Research Peptides ship to?

        Core Research Peptides states that it ships to Australia, Canada, United Kingdom, New Zealand, United States. Check the supplier's own shipping policy before ordering.

        Does Core Research Peptides publish certificates of analysis?

        Core Research Peptides states that its products are independently tested, links a certificates-of-analysis or lab-results page, names Janoshik, Freedom Diagnostics. PepFinder has not yet collected or reviewed any of its certificates, so this is the supplier's own claim.

        What payment methods does Core Research Peptides accept?

        The website shows: Visa, Mastercard, Zelle, Venmo, Cash App, Cryptocurrency, Card.

        How long does Core Research Peptides take to deliver?

        Core Research Peptides states: "Unopened, intact products returned within 14 days of delivery.".

        Supplier history

        1. 24 Sept 2026ListingSupplier added to the directoryDiscovered and read from its own website by the ingestion pipeline; approved by an editor. Pending publication review.

        Evidence Coverage: 57%

        What we know about this supplier, and whether we can show you where it came from. “Not known” means we have not found it, not that the answer is no.

        FactStatusLast observed
        Business locationKnown, sourced2 hours ago
        Company behind the websiteNot known
        Company registrationNot known
        Contact detailsKnown, sourced2 hours ago
        Business addressNot known
        Shipping destinationsKnown, sourced2 hours ago
        Stated delivery timeKnown, sourced2 hours ago
        Payment methodsKnown, sourced2 hours ago
        Customer support channelsNot known
        Refund or returns policyKnown, sourced2 hours ago
        Terms of saleKnown, sourced2 hours ago
        Domain ageNot known
        Certificates of analysisKnown, sourced2 hours ago
        Independent testingKnown, sourced2 hours ago
        Testing laboratoryKnown, sourced2 hours ago
        Public batch numbersNot known
        Product catalogueKnown, no source shown
        PricesKnown, no source shown

        Evidence and sources

        TopicClaimBasisSource typeCapturedLast checkedSource
        Company identityBusiness location recorded as US; states shipping to AU, CA, GB, NZ, US.Supplier-statedSupplier website24 Sept 20262 hours agoSource
        Contact detailsThe website publishes an email address.Supplier-statedSupplier website24 Sept 20262 hours agoPublishes contact details
        Certificates of analysisThe supplier's website links to certificates of analysis or lab results. Documents are not reviewed until an editor checks them.Supplier-statedSupplier website24 Sept 20262 hours agoLinks a COA / lab results page
        Testing claimThe supplier states its products are independently tested: “…Third-Party Tested Certificates published in our COA library .…”Supplier-statedSupplier website24 Sept 20262 hours agoStates independent testing
        Testing claimThe supplier names Janoshik in connection with testing: “…Independently Verifiable Check any Janoshik key at janoshik.com/verify .…”Supplier-statedSupplier website24 Sept 20262 hours agoNames Janoshik
        Testing claimThe supplier names Freedom Diagnostics in connection with testing: “…DSIP 5mg – Freedom Diagnostics 99.612% 2026 📋 Download .…”Supplier-statedSupplier website24 Sept 20262 hours agoNames Freedom Diagnostics
        Shipping policyThe website states: “…Unopened, intact products returned within 14 days of delivery.…”Supplier-statedSupplier website24 Sept 20262 hours agoStates a delivery time
        Refund policyThe website links to its refund policy page.Supplier-statedSupplier website24 Sept 20262 hours agoLinked policy page
        Refund policyThe website links to its returns policy page.Supplier-statedSupplier website24 Sept 20262 hours agoLinked policy page
        TermsThe website links to its terms page.Supplier-statedSupplier website24 Sept 20262 hours agoLinked policy page
        Pricing18 peptide listings read from the supplier's own catalogue. Prices and stock are as the site listed them at capture.Supplier-statedSupplier website24 Sept 20262 hours agoSupplier's public product catalogue
        OtherThe website links to its privacy page.Supplier-statedSupplier website24 Sept 20262 hours agoLinked policy page

        Verified fact: checked by us against an independent source. Supplier-stated: what the supplier says, not independently confirmed. User report: submitted by a user. Editorial assessment: our judgement. Spotted an error? Request a correction.

        This page provides supplier and market information only and is not medical advice. Disclaimer