Shipping
3 days
United States
Payment
Coupon
Compare peptide pricing, vial sizes, price per mg, vendors, and COA information in one place.
Compare suppliers
Ranked vendors with COAs, shipping times, payment methods and exclusive coupon codes - side by side.
Shipping
3 days
United States
Payment
Coupon
Shipping
2 days
United States
Payment
Coupon
Shipping
1–3 days
United States
Payment
Coupon
Shipping
3–7 days
United States, United Kingdom +1
Payment
Coupon
Shipping
2 days
United States
Payment
Coupon
Shipping
2 Days
United States, Canada
Payment
Coupon
Shipping
3–5 days
United States
Payment
Coupon
Shipping
1–3 days
United States
Payment
Coupon
Shipping
2–5 days
United States
Payment
Coupon
Showing 9 of 14 vendors
Peptide catalog
Every peptide with vendor coverage, available variants, intake and form types - filter by key benefit or purpose.

Vendors
Variants
Intake & form
Price
from $20.69
$3.45/mg best

Vendors
Variants
Intake & form
Price
from $42.75
$0.61/mg best

Vendors
Variants
Intake & form
Price
from $16.19
$2.40/mg best
Vendors
Variants
Intake & form
Price
from $11.98
$1.17/mg best
Showing 10 of 20 peptides
Peptide Grading organizes research peptide listings into a consistent format so users can see how pricing differs across vendors without checking dozens of individual stores and sections.
The research peptide comparison can be listed with different prices and depending on the vendor, size (vial,capsule,spray), quantity, and offer.
Peptide Grading tracks product listings and makes those differences easier to compare for you.
A lower listed price does not always mean a lower peptide price per mg.
Two vendors may sell the same compound at different quantities. One offers a 5 mg vial, while another offers 10 mg at a higher total price but a lower cost per milligram.
Peptide Grading helps put those listings into context by comparing:
This makes it easier to compare like with like instead of judging peptide pricing from the headline price alone.
So that makes Peptide Grading the best Peptide Price Store from other comparison brands.
Price per mg means how much you pay for each milligram of a peptide. It helps compare prices fairly across different vial sizes and vendors.
It is a simple way to normalize peptide pricing across vial sizes.
Peptide Grading records research peptide products listed by vendors in its database.
The compound, listed quantity, product form, and other relevant listing information are recorded so unlike products are not intentionally treated as identical.
For milligram denominated products, the listed price and quantity normalized into a price per mg figure.
The comparison includes supplier information, shipping details, product availability, and other documented listing data.
Peptide Grading always records update information so visitors can see how current the displayed data is.
Peptide Grading is a research peptide price comparison and market data platform and store
The peptide market is spread across many separate supplier websites, making it difficult to compare the same compound consistently. One store may show a lower vial price, another may provide more material, and another may publish more testing documentation.
Peptide Grading brings those data points together.
Our platform is designed to make it easier to compare peptide prices, quantities, vendors, price per mg, COAs, and market information.
Peptide Grading market data should not be interpreted as medical advice, a recommendation to use a research compound, or proof that a particular vendor or product is safe or suitable.
For vendors
Join the vetted vendor directory trusted by peptide researchers. Submit your store details, coupon, COA documentation, and go live - we handle ranking, pricing display, and COA verification.
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Fill out the listing form - review takes 1–3 business days. No upfront fee.
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Common questions about compounds, vendors, COAs, and how Peptide Grading works.