American Peptides vs Blank Peptides: prices, COAs and track record compared

Side by side from public evidence and live prices, checked Oct 15, 2026. Neither vendor paid to be here, and we haven't lab-tested either, so this compares openness and price, not purity.

The short answer

At a glance

FactAmerican PeptidesBlank Peptides
Websiteamericanpeptides.usblankpeptides.com
StatusLiveLive
Transparency score47/100 (5 of 6 checks)55/100
Domain registeredFeb 21, 2026 (7 months ago)Mar 4, 2026 (7 months ago)
First archivedApr 7, 2026Apr 2, 2026
COAsGeneric COAs onlyGeneric COAs only (Horizon Analytical)
Ships to (stated)USUS, worldwide
Payment (stated)Not statedCard
Shop platformShopifyCustom
Peptides priced39—
Typical price vs market45% above the median—
Enforcement (3 years)None foundNone found
Our lab testsNone yetNone yet

Vendor sites: americanpeptides.us · blankpeptides.com

Transparency checks side by side

The same six checks of public information we run on every vendor, worth 100 points in total. The evidence behind each finding is linked on each vendor's profile: American Peptides and Blank Peptides. How we score.

CheckAmerican PeptidesBlank Peptides
Domain age (20 pts) Registered Feb 21, 2026 (7 months old) · 5/20Registered Mar 4, 2026 (7 months old) · 5/20
Public certificates of analysis (25 pts) Only generic or sample COAs are public · 12/25Only generic or sample COAs are public · 12/25
Independent lab named on COAs (10 pts) No independent lab named · 0/10Lab named: Horizon Analytical · 10/10
Business identity (15 pts) Company name (American Peptides LLC) and address published · 15/15Address published; no company name found · 8/15
Shipping, refund and terms pages (15 pts) All three found · 15/15Found: terms only · 5/15
Card or PayPal payment (buyer protection) (15 pts) Payment methods not stated publicly · 0/15Site lists card · 15/15
Total 47/100* 55/100

Prices on the peptides both sell

We can't compare prices: we have none for Blank Peptides, because its shop has no public product feed we can read.

Against every vendor we track, American Peptides' prices are typically 45% above the median. That's our price index: the median of each vendor's best price per peptide against the market median. See every vendor's index.

Only at American Peptides (39): 5-Amino-1MQ, AOD-9604, ARA-290 (cibinetide), BPC-157, CJC-1295 + Ipamorelin blend, CJC-1295 without DAC (Mod GRF 1-29), Dihexa, DSIP, Epitalon, GHK-Cu, Glutathione, Humanin, IGF-1 LR3, Ipamorelin, Kisspeptin-10, KPV, Melanotan I, Melanotan II, MOTS-c, NAD+, P21, PE-22-28, Pinealon, Prostamax, PT-141 (bremelanotide), Selank, Semax, Semax + Selank blend, Sermorelin, Snap-8, SS-31 (elamipretide), TB-500, Tesamorelin, Tesamorelin + Ipamorelin blend, Testagen, Thymalin, Thymosin Alpha-1, Vesugen, Vilon.

Which one fits what you need

Only the differences that show up in our data. We haven't lab-tested either vendor's products.

Before you order from either

Vendors that score higher than both

Live vendors with all six checks completed, a higher transparency score than American Peptides and Blank Peptides, and at least one of the same peptides. Payments from vendors never affect this list.

Vendor Status Transparency Domain age COAs Ships to Prices tracked Lab tests
Pure Peptide Labs Live 90/100 12 months Batch COAs public US, worldwide 44 —
Peptidology Live 90/100 22 months Batch COAs public US 3 —
Eros Peptides Live 87/100 3.4 years Generic COAs only US 14 —

Full profiles: American Peptides review · Blank Peptides review · other comparisons.

American Peptides vs Blank Peptides: questions people ask

Is American Peptides or Blank Peptides more legit?

Blank Peptides scores higher on our six public-information checks: 55/100 against 47/100, ahead on naming an independent lab and buyer-protected payment (American Peptides leads on business identity and published policies). Unfinished checks score 0 (American Peptides: 5 of 6 checks completed). The score measures how open a vendor is about who it is and what it sells, not product purity. See both sets of checks.

Which is cheaper, American Peptides or Blank Peptides?

We can't compare prices: we have none for Blank Peptides, because its shop has no public product feed we can read. Against every vendor we track, American Peptides' prices are typically 45% above the median.

Do American Peptides and Blank Peptides publish COAs?

Both publish only generic or sample COAs, not batch-specific ones. Our guide explains how to read a COA.

Where do American Peptides and Blank Peptides ship?

American Peptides says it ships to the US; Blank Peptides says it ships to the US, and internationally. We don't verify deliveries, so confirm at checkout.

Is something wrong?

If you run either vendor, or you have evidence that something here is out of date, email [email protected] with a link to the evidence. We re-check within five business days and log every change on our corrections page.