Blackline Scientific vs Tetrava Labs
Across the 22 products both vendors stock, Blackline Scientific has the lower effective price per mg on 15 and Tetrava Labs on 6, and 1 prices the same to the cent. Blackline Scientific lists 41 tracked listings across 22 products; Tetrava Labs lists 101 across 52. 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.
Blackline Scientific is a research-peptide vendor that lists 23 injectable peptides and 1 nasal spray.
- Price vs market median
- 9% below market
- Tracked catalog
- 22 products · $
- Cheaper on
- 15 of 22 shared
- COA coverage
- None found
Tetrava Labs is a research-peptide vendor that lists 99 injectable peptides, 1 capsule and 2 nasal sprays.
- Price vs market median
- 16% above market
- Tracked catalog
- 52 products · $$$
- Cheaper on
- 6 of 22 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 Blackline Scientific 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 Tetrava Labs
30 products the other vendor does not list
- BPC-157$6.90
- CJC-1295 (no DAC)$8.90
- FOXO4-DRI$14.90
- NAD+$0.15
- TB-500$8.90
- Thymosin Alpha-1$11.80
- Tirzepatide$8.58
- Adamax$7.90
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Blackline Scientific cheaper than Tetrava Labs?
- On the 22 products both vendors stock, Blackline Scientific has the lower effective price per mg on 15 and Tetrava Labs on 6, 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?
- Blackline Scientific: none found. Tetrava 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 Blackline Scientific and Tetrava Labs?
- Blackline Scientific: accepts paypal, venmo, cashapp, crypto, zelle. Tetrava 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.