Vendors

OPS Peptide Science vs PH Bio Labs

Across the 27 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 3 and PH Bio Labs on 24. OPS Peptide Science lists 89 tracked listings across 45 products; PH Bio Labs lists 48 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 88 injectable peptides, including Tirzepatide, GHK-Cu and Melanotan II.

Price vs market median
60% above market
Tracked catalog
45 products · $$$
Cheaper on
3 of 27 shared
COA coverage
None found
Visit OPS Peptide Science
PH Bio Labs

PH Bio Labs is a research-peptide vendor that lists 48 injectable peptides, including MOTS-c, NAD+ and Melanotan II.

Price vs market median
At market price
Tracked catalog
27 products · $$
Cheaper on
24 of 27 shared
COA coverage
None found
Visit PH Bio Labs

Vendor facts

Detail
OPS Peptide Science
PH Bio Labs
Sells
88 vials
48 vials
Tracked listings
89 across 45 products
48 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
PH 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

27 products both stock
Product
OPS Peptide Science
PH Bio Labs
DSIP
$7.67
$5.40
Epitalon
$3.40
$2
GHK-Cu
$0.70
$0.81
Ipamorelin
$9.50
$7.20
KPV
$8
$5
Melanotan II
$5.50
$3.50
MOTS-c
$5.88
$1.80
NAD+
$0.20
$0.10
PT-141
$7.50
$5
Retatrutide
$6.33
$6.25
Selank
$8
$4.50
Semax
$7
$4.50
TB-500
$17.50
$6.50
Tesamorelin
$24.50
$7.50
AOD-9604
$27
$8.10
Glutathione
$0.07
$0.13
IGF-LR3
$245
$99
LL-37
$21
$9.90

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

18 products the other vendor does not list

10 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 PH Bio Labs?
On the 27 products both vendors stock, OPS Peptide Science has the lower effective price per mg on 3 and PH Bio Labs on 24. 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. PH 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 45 priced products in the current index and PH Bio Labs has 27, 27 of which appear on both catalogs. 18 products are listed only by OPS Peptide Science and 0 only by PH Bio Labs.

Keep looking

Market tape