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peptidology peptides: prices, COAs and vendor facts

78 tracked listings · 46 productsVisit site

peptidology is a US research-peptide vendor based in Scottsdale, AZ that lists 59 injectable peptides and 1 capsule, including DSIP, FOXO4-DRI and KPV. Across 25 products with a market median, its prices sit 11% below the median for the same peptide and vial size; it is the cheapest vendor we track on LL-37 and DSIP, and pricier on Follistatin and ACE-031. We found certificates for most of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index.

peptidology at a glance

Based in
Scottsdale, AZ, USsource
Ships from
Scottsdale, AZsource
International shipping
Not offeredsource
Returns
Acceptedsource
Storefront
shopifysource
First tracked here
July 2026
Policies
Shipping

Facts extracted from the vendor’s site and not yet reviewed by us.

What the record shows

COA coverage: Broad

We found certificates for most of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index.

Current certificates
43

from 200 indexed documents

Tested within a year
43

current certificates, by the date printed on them

Labs named
1

Vanguard Laboratory signs the most of them

Freshest test date
Sep 25, 2026

oldest Jan 6, 2026

The site names Vanguard Laboratory, Eagle Analytical Services Inc. as its testing labs. These are the vendor’s own flags, not our measurements.

Peptidology says it publishes third-party lab reports for every new batch (citing 444 published reports, 15 tests per batch, 99.59% median purity across 251 lots, and 239/239 lots passing sterility) using ISO/IEC 17025-accredited U.S. labs.

Price position

Popular
At market price
on 18 popular peptides
Catalog
11% below market
$ price level · 78 listings
Peptides
46
18 popular carried
COA coverage, in stock
Broad
Based on the certificates our crawler found; vendors may publish more than we index.
Cheapest on
  • LL-37▼ 48%
  • DSIP▼ 36%
  • BPC-157▼ 27%
Pricier on
  • Follistatin▲ 16%
  • ACE-031▲ 14%
  • GHK-Cu▲ 12%

Price history

$4.30/mg median

▼ 14%

Median price per mg across peptidology’s 46-62 priced listings, from Jul 28 ($5/mg) to Oct 5 ($4.30/mg) over 21 observed days. The mix of products behind the median changes as listings come and go, so this tracks the catalog as well as the prices.

Recent price changes

26 of peptidology’s tracked listings changed price in the last 30 days: 20 down, 6 up. Showing the 8 most recent.

Price check

Listed prices at peptidology against the median price per mg for the same peptide at the same vial size, across every vendor we track. Vendors change prices without notice, so check the current listing before you order.

Below the market median on 16 of 19 comparable listings, above it on 3. Typical listing: 12% below market. Showing the 6 largest differences.

How does peptidology compare to other peptide vendors?

peptidology sits 11% below market the tracked market median on matched peptide/size rows. The catalog in this index is smaller than Pure Health Peptides's. On COA coverage, peptidology rates broad and Pure Health Peptides rates broad. Based on the certificates our crawler found; vendors may publish more than we index.

The honest comparison unit is price per mg on matched peptide/size rows. COA coverage is presence of a current indexed document, not purity-as-quality. See the Evidence Atlas and how to read a COA.

Evidence boundary: Listed prices, stock signals, and indexed COA documents are observations. They do not establish legitimacy, authenticity, safety, sterility, chain of custody, product quality, fulfillment, or suitability. No vendor is endorsed.

18 of 22 carried

Full catalog (46)

Questions about peptidology

Is peptidology legit?

Pricing data cannot settle that question, and we do not test products or verify fulfillment. Here is the evidence we do hold for peptidology. We found certificates for most of the in-stock products we track. Those certificates were signed by 1 lab, the newest tested September 25, 2026. Based on the certificates our crawler found; vendors may publish more than we index. We have been recording their prices since July 3, 2026. Read each certificate yourself, check that its lot and compound match what you are buying, and treat anything we have not recorded as unknown rather than as an answer.

Does peptidology publish COAs?

We found certificates for most of the in-stock products we track. The freshest was tested September 25, 2026. Based on the certificates our crawler found; vendors may publish more than we index. We have not recorded a testing or COA page on their site. A certificate on file records what a document says; it cannot prove chain of custody or what is in the vial you receive.

Where does peptidology ship from?

peptidology states that orders ship from Scottsdale, AZ. They state that they do not ship internationally. This is what the vendor says about itself, not something we have verified.

How much is shipping at peptidology?

We have not recorded a shipping cost for peptidology. Their shipping page is at https://peptidology.co/pages/shipping-policy. Checkout is the only place these figures are binding.

Does peptidology have a coupon or discount code?

We have none on record for peptidology. When a code we can verify appears, it shows on this page and the prices here are adjusted for it; until then, every figure on this page is the list price.

How do peptidology prices compare to other vendors?

Across 25 graded products, peptidology's median price per mg sits 10.8% below the median for the same peptide at the same vial size. We track 46 products from them in total. Price per mg is the comparison unit: a cheaper vial holding less is not a cheaper product.

Product documentation

peptidology COA coverage

Across the tracked peptide products we hold for peptidology, COA coverage rates broad. The public index contains 200 documents. Reported test dates in this set run from Jan 6, 2026 through Sep 25, 2026. That rating covers the full tracked catalogue for peptidology, including products that are currently out of stock, so it can differ from the in-stock rating above. Based on the certificates our crawler found; vendors may publish more than we index.

Product coverage
Broad

across the full tracked catalogue

Tested in past year
43

current certificates, by the printed test date.

Older records
0

Printed date is over 18 months old.

Most named lab
Vanguard Laboratory

Named on more current records than any other lab.

43 current records

A record appears on file after our pipeline identifies the document as a certificate of analysis and matches its printed compound to a catalog peptide. The record cannot prove authenticity, chain of custody, sterility, product safety, or suitability for use.

These are counts of documents in our index, and a coverage rating of what our crawler found. They do not grade vendor quality, legitimacy, or safety. Printed fields can contain transcription errors. “Older record” means the reported test date is more than 18 months old.

See the testing methodology and dataset, or compare this coverage against another vendor in the vendor comparison tool.

Cite this profile

The Peptide App. peptidology peptide prices, COA coverage and vendor facts. Updated October 5, 2026. https://www.thepeptide.app/pricing/vendor/peptidology

The Peptide App. (2026). peptidology peptide prices, COA coverage and vendor facts. Retrieved from https://www.thepeptide.app/pricing/vendor/peptidology

Prices and certificate counts on this page were last refreshed October 5, 2026.

Market tape