Puratek Peptides vs Redline Bio Labs
Across the 26 products both vendors stock, Puratek Peptides has the lower effective price per mg on 20 and Redline Bio Labs on 5, and 1 prices the same to the cent. Puratek Peptides lists 36 tracked listings across 26 products; Redline Bio Labs lists 81 across 43. On certificates of analysis the in-stock products we track rate broad at Puratek Peptides and none found at Redline Bio Labs. 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.
Puratek Peptides is a US research-peptide vendor that lists 33 injectable peptides, including Tirzepatide, BPC-157 and MOTS-c.
- Price vs market median
- 29% below market
- Tracked catalog
- 26 products · $
- Cheaper on
- 20 of 26 shared
- COA coverage
- Broad
Redline Bio Labs is a research-peptide vendor that lists 77 injectable peptides, including FOXO4-DRI, Epitalon and SS-31.
- Price vs market median
- 1% below market
- Tracked catalog
- 43 products · $$
- Cheaper on
- 5 of 26 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 Puratek 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
17 products the other vendor does not list
- FOXO4-DRI$11.90
- Retatrutide$5.46
- SS-31$2.72
- Adipotide$10.40
- Cardiogen$3.70
- Cartalax$3.70
- Cerebrolysin$0.77
- Follistatin$85
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Puratek Peptides cheaper than Redline Bio Labs?
- On the 26 products both vendors stock, Puratek Peptides has the lower effective price per mg on 20 and Redline Bio Labs on 5, 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?
- Puratek Peptides: broad, newest test dated 2026-08-05. 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.
- How do shipping and payment differ between Puratek Peptides and Redline Bio Labs?
- Puratek Peptides: ships from USA. Redline Bio Labs: 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.