Peptide Plugs vs Peptides Greyhouse
Across the 33 products both vendors stock, Peptide Plugs has the lower effective price per mg on 19 and Peptides Greyhouse on 13, and 1 prices the same to the cent. Peptide Plugs lists 57 tracked listings across 38 products; Peptides Greyhouse lists 94 across 62. On certificates of analysis the in-stock products we track rate partial at Peptide Plugs and none found at Peptides Greyhouse. 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.
Peptide Plugs is a US research-peptide vendor based in Liberty Hill, TX that lists 43 injectable peptides, 1 capsule and 1 tablet.
- Price vs market median
- 18% below market
- Tracked catalog
- 38 products · $
- Cheaper on
- 19 of 33 shared
- COA coverage
- Partial
Peptides Greyhouse is a research-peptide vendor that lists 92 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 8% above market
- Tracked catalog
- 62 products · $$$
- Cheaper on
- 13 of 33 shared
- COA coverage
- None found
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Peptide Plugs were extracted from the vendor's site and not yet reviewed by us.
Certificates on file
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.
Carried by one vendor only
Only at Peptide Plugs
5 products the other vendor does not list
Only at Peptides Greyhouse
29 products the other vendor does not list
- CJC-1295 (no DAC)$7
- PT-141$3.90
- Retatrutide$12.67
- Tirzepatide$11.83
- Adipotide$7.60
- AICAR$0.96
- Cerebrolysin$0.75
- CJC-1295 (with DAC)$8
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptide Plugs cheaper than Peptides Greyhouse?
- On the 33 products both vendors stock, Peptide Plugs has the lower effective price per mg on 19 and Peptides Greyhouse on 13, with 1 priced the same to the cent. 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?
- Peptide Plugs: partial, newest test dated 2026-07-25. Peptides Greyhouse: 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.
- How do shipping and payment differ between Peptide Plugs and Peptides Greyhouse?
- Peptide Plugs: ships from Texas, accepts card. Peptides Greyhouse: we have not recorded shipping or payment details yet. Details come from each vendor's own site and can change without notice; check the storefront before ordering.