Vendors

OPS Peptide Science vs PeakForm Peptides

Across the 27 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 0 and PeakForm Peptides on 27. OPS Peptide Science lists 89 tracked listings across 46 products; PeakForm Peptides lists 42 across 27. 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.

OPS Peptide Science

OPS Peptide Science is a research-peptide vendor that lists 89 injectable peptides, including GHK-Cu, Tirzepatide and Retatrutide.

Price vs market median
57% above market
Tracked catalog
46 products · $$$
Cheaper on
0 of 27 shared
COA coverage
None found
Visit OPS Peptide Science
PeakForm Peptides

PeakForm Peptides is a research-peptide vendor that lists 42 injectable peptides, including DSIP, 5-Amino-1MQ and Melanotan II.

Price vs market median
At market price
Tracked catalog
27 products · $$
Cheaper on
27 of 27 shared
COA coverage
None found
Visit PeakForm Peptides

Vendor facts

Detail
OPS Peptide Science
PeakForm Peptides
Sells
89 vials
42 vials
Tracked listings
89 across 46 products
42 across 27 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
OPS Peptide Science
PeakForm Peptides
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

27 products both stock
Product
OPS Peptide Science
PeakForm Peptides
5-Amino-1MQ
$3.50
$1.50
BPC-157
$8
$5.50
DSIP
$7.67
$3.67
Epitalon
$3.40
$2.40
GHK-Cu
$0.70
$0.60
Ipamorelin
$9.50
$5.50
KPV
$8
$5.50
Melanotan II
$5.50
$3.50
MOTS-c
$5.88
$2.75
NAD+
$0.20
$0.11
PT-141
$7.50
$5
Selank
$8
$4.50
Semax
$7
$4.50
TB-500
$17.50
$7
Tesamorelin
$24.50
$7.25
AOD-9604
$27
$11
Cagrilintide
$20.50
$11
Glutathione
$0.07
$0.05
Hexarelin
$21
$5.50
Mazdutide
$23.50
$7

Showing 24 of 27 shared products; both full catalogs sit on the vendor pages. 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 OPS Peptide Science

19 products the other vendor does not list

11 more on the OPS Peptide Science page

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

Questions

Is OPS Peptide Science cheaper than PeakForm Peptides?
On the 27 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 0 and PeakForm Peptides on 27. 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?
OPS Peptide Science: none found. PeakForm Peptides: 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?
OPS Peptide Science has 46 priced products in the current index and PeakForm Peptides has 27, 27 of which appear on both catalogs. 19 products are listed only by OPS Peptide Science and 0 only by PeakForm Peptides.

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Market tape