Mile High Compounds vs Peptides Greyhouse
Across the 33 products both vendors stock, Mile High Compounds has the lower effective price per mg on 19 and Peptides Greyhouse on 12, and 2 price the same to the cent. Mile High Compounds lists 58 tracked listings across 34 products; Peptides Greyhouse lists 94 across 62. On certificates of analysis the in-stock products we track rate partial at Mile High Compounds 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.
Mile High Compounds is a US research-peptide vendor based in Monument, CO that lists 41 injectable peptides, 1 capsule and 1 nasal spray.
- Price vs market median
- 1% above market
- Tracked catalog
- 34 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
- 12 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 Mile High Compounds 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 Mile High Compounds
1 product the other vendor does not list
Only at Peptides Greyhouse
29 products the other vendor does not list
- CJC-1295 (no DAC)$7
- FOXO4-DRI$27.60
- Semax$2.40
- Adipotide$7.60
- AICAR$0.96
- Cartalax$2.25
- Chonluten$2.55
- Cortagen$2.25
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Mile High Compounds cheaper than Peptides Greyhouse?
- On the 33 products both vendors stock, Mile High Compounds has the lower effective price per mg on 19 and Peptides Greyhouse on 12, with 2 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?
- Mile High Compounds: partial, newest test dated 2026-09-07. 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 Mile High Compounds and Peptides Greyhouse?
- Mile High Compounds: ships from AZ. 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.