Vendors

OPS Peptide Science vs SolXGenix

Across the 33 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 1 and SolXGenix on 32. OPS Peptide Science lists 89 tracked listings across 46 products; SolXGenix lists 48 across 36. 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
1 of 33 shared
COA coverage
None found
Visit OPS Peptide Science
SolXGenix

SolXGenix is a research-peptide vendor that lists 48 injectable peptides, including Epitalon, KPV and CJC-1295 (no DAC).

Price vs market median
16% below market
Tracked catalog
36 products · $
Cheaper on
32 of 33 shared
COA coverage
None found
Visit SolXGenix

Vendor facts

Detail
OPS Peptide Science
SolXGenix
Sells
89 vials
48 vials
Tracked listings
89 across 46 products
48 across 36 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
SolXGenix
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

33 products both stock
Product
OPS Peptide Science
SolXGenix
5-Amino-1MQ
$3.50
$1.52
BPC-157
$8
$4.55
DSIP
$7.67
$4.16
Epitalon
$3.40
$1.42
GHK-Cu
$0.70
$0.43
Ipamorelin
$9.50
$5.72
KPV
$8
$3.51
Melanotan II
$5.50
$4.29
MOTS-c
$5.88
$2.39
NAD+
$0.20
$0.12
Pinealon
$5.80
$2.28
PT-141
$7.50
$4.29
Retatrutide
$6.33
$14.82
Selank
$8
$6.70
Semax
$7
$6.70
TB-500
$17.50
$7.35
Tesamorelin
$24.50
$5.85
ACE-031
$200
$95.55
AOD-9604
$27
$9.10
Cagrilintide
$20.50
$7.54
GHRP-6
$7
$4.10

Showing 24 of 33 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

13 products the other vendor does not list

5 more on the OPS Peptide Science page

Only at SolXGenix

3 products the other vendor does not list

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

Questions

Is OPS Peptide Science cheaper than SolXGenix?
On the 33 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 1 and SolXGenix on 32. 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. SolXGenix: 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 SolXGenix has 36, 33 of which appear on both catalogs. 13 products are listed only by OPS Peptide Science and 3 only by SolXGenix.

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