Redline Bio Labs vs Skye Peptides
Across the 33 products both vendors stock, Redline Bio Labs has the lower effective price per mg on 16 and Skye Peptides on 17. Redline Bio Labs lists 80 tracked listings across 44 products; Skye Peptides lists 97 across 40. On certificates of analysis the in-stock products we track rate none found at Redline Bio Labs and limited at Skye Peptides. 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.
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 · $$
- Cheaper on
- 16 of 33 shared
- COA coverage
- None found
Skye Peptides is a US research-peptide vendor based in Los Angeles, California that lists 56 injectable peptides and 3 tablets.
- Price vs market median
- 7% above market
- Tracked catalog
- 40 products · $$$
- Cheaper on
- 17 of 33 shared
- COA coverage
- Limited
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for Skye Peptides 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 Redline Bio Labs
11 products the other vendor does not list
- NAD+$0.09
- SS-31$2.72
- Adipotide$10.40
- Cardiogen$3.70
- Cerebrolysin$0.77
- Follistatin$85
- Glutathione$0.04
- L-Carnitine$0.06
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Redline Bio Labs cheaper than Skye Peptides?
- On the 33 products both vendors stock, Redline Bio Labs has the lower effective price per mg on 16 and Skye Peptides on 17. 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?
- Redline Bio Labs: none found. Skye Peptides: limited, newest test dated 2026-06-15. 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 Redline Bio Labs and Skye Peptides?
- Redline Bio Labs: we have not recorded shipping or payment details yet. Skye Peptides: accepts card. Details come from each vendor's own site and can change without notice; check the storefront before ordering.