Vendors

HEEZ Research vs Peptides Source

Across the 22 products both vendors stock, HEEZ Research has the lower effective price per mg on 4 and Peptides Source on 18. HEEZ Research lists 26 tracked listings across 22 products; Peptides Source lists 98 across 45. On certificates of analysis both show none found COA coverage of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index. These are price and document observations, not quality ratings, and neither vendor is endorsed.

HEEZ Research

HEEZ Research is a research-peptide vendor that lists 25 injectable peptides, including Ipamorelin, KPV and SS-31.

Price vs market median
25% above market
Tracked catalog
22 products · $$$
Cheaper on
4 of 22 shared
COA coverage
None found
Visit HEEZ Research
Peptides Source

Peptides Source is a research-peptide vendor that lists 97 injectable peptides, including NAD+, Epitalon and CJC-1295 (no DAC).

Price vs market median
4% below market
Tracked catalog
45 products · $$
Cheaper on
18 of 22 shared
COA coverage
None found
Visit Peptides Source

Vendor facts

Detail
HEEZ Research
Peptides Source
Sells
25 vials
97 vials
Tracked listings
26 across 22 products
98 across 45 products

Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice.

Certificates on file

Detail
HEEZ Research
Peptides Source
COA coverage
None found
None found
Certificates
0 current
0 current
Labs
—
—
Newest test date
—
—

Coverage rates how many of the in-stock products we track have a certificate our pipeline read and matched to a catalog peptide. Based on the certificates our crawler found; vendors may publish more than we index. We do not test products, and a certificate cannot show authenticity, chain of custody or sterility.

Price per mg on shared products

22 products both stock
Product
HEEZ Research
Peptides Source
5-Amino-1MQ
$6.50
$1.30
BPC-157
$7
$4.25
DSIP
$9
$7
GHK-Cu
$0.75
$0.80
Ipamorelin
$5.50
$6.50
KPV
$5
$6
MOTS-c
$6.50
$3.67
NAD+
$0.17
$0.08
PT-141
$5.50
$5
Selank
$5.50
$5
Semax
$5.50
$5
SS-31
$6.60
$3
TB-500
$9.50
$7
Tesamorelin
$11.50
$6.56
ARA-290
$8.20
$3.75
Glutathione
$0.05
$0.03
IGF-LR3
$79
$80

The lower price of each pair is highlighted. Prices are the cheapest in-stock listing we track for that product, per mg after any public discount code, and they move daily.

Carried by one vendor only

Only at Peptides Source

23 products the other vendor does not list

15 more on the Peptides Source page

Prices shown are per mg for the cheapest in-stock listing we track.

Questions

Is HEEZ Research cheaper than Peptides Source?
On the 22 products both vendors stock, HEEZ Research has the lower effective price per mg on 4 and Peptides Source on 18. Each side uses the cheapest in-stock listing we track for that product, after any public discount code, and prices change often.
How much COA coverage does each vendor have?
HEEZ Research: none found. Peptides Source: none found. Based on the certificates our crawler found; vendors may publish more than we index. We do not test products ourselves, and a certificate cannot prove authenticity or sterility.
What does each vendor carry?
HEEZ Research has 22 priced products in the current index and Peptides Source has 45, 22 of which appear on both catalogs. 0 products are listed only by HEEZ Research and 23 only by Peptides Source.

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