Vendors

OPS Peptide Science vs Redline Bio Labs

Across the 34 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 0 and Redline Bio Labs on 34. OPS Peptide Science lists 89 tracked listings across 46 products; Redline Bio Labs lists 80 across 44. 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, Retatrutide and Tirzepatide.

Price vs market median
57% above market
Tracked catalog
46 products · $$$
Cheaper on
0 of 34 shared
COA coverage
None found
Visit OPS Peptide Science
Redline Bio Labs

Redline Bio Labs is a research-peptide vendor that lists 79 injectable peptides, including FOXO4-DRI, Epitalon and SS-31.

Price vs market median
1% below market
Tracked catalog
44 products · $$
Cheaper on
34 of 34 shared
COA coverage
None found
Visit Redline Bio Labs

Vendor facts

Detail
OPS Peptide Science
Redline Bio Labs
Sells
89 vials
79 vials
Tracked listings
89 across 46 products
80 across 44 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
Redline Bio Labs
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

34 products both stock
Product
OPS Peptide Science
Redline Bio Labs
5-Amino-1MQ
$3.50
$1.58
BPC-157
$8
$4.63
DSIP
$7.67
$4.93
Epitalon
$3.40
$1.64
GHK-Cu
$0.70
$0.60
Ipamorelin
$9.50
$6
KPV
$8
$5.50
Melanotan II
$5.50
$3.90
MOTS-c
$5.88
$3.20
NAD+
$0.20
$0.09
PT-141
$7.50
$5.20
Retatrutide
$6.33
$5.46
Selank
$8
$2.80
Semax
$7
$2.80
TB-500
$17.50
$7
Tesamorelin
$24.50
$6.30
Adipotide
$43
$10.40
AOD-9604
$27
$7.90
Cagrilintide
$20.50
$7.10
Cerebrolysin
$0.92
$0.77
Glutathione
$0.07
$0.04

Showing 24 of 34 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

12 products the other vendor does not list

4 more on the OPS Peptide Science page

Only at Redline Bio Labs

10 products the other vendor does not list

2 more on the Redline Bio Labs page

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

Questions

Is OPS Peptide Science cheaper than Redline Bio Labs?
On the 34 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 0 and Redline Bio Labs on 34. 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. Redline Bio Labs: 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 Redline Bio Labs has 44, 34 of which appear on both catalogs. 12 products are listed only by OPS Peptide Science and 10 only by Redline Bio Labs.

Keep looking

Market tape