Why Proliven
Trusted Peptide Sourcing
We only work with U.S.-based peptide suppliers known for exceptional quality and reliability — not random drop-shippers or overseas brokers.
Third-Party Tested
Small Batches. Big Control.
We don’t mass-produce. Small-batch runs give us tighter quality control, better traceability, and more reliable consistency — every time.
Explore our most requested research peptides — each COA-verified and batch-tested in the U.S.
Shop Popular Peptides
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TIRZ 30 mg Vial
$495.00 Add to cart -
Bacteriostatic Water 10ML – Sterile Solution – Gift
$0.00 Add to cart -
TIRZ 10 mg Vial
$200.00 Add to cart -
Tesamorelin 10mg Vial
$150.00 Add to cart -
TB-500 10mg vial
$130.00 Add to cart -
SEMA 10 mg Vial
$275.00 Add to cart -
SELANK/SEMAX Blend 5mg/5mg
$85.00 Add to cart -
RETA 10mg Vial
$250.00 Add to cart
Explore the Science Behind Every Peptide
We break down peer-reviewed studies so you can make informed decisions. No fluff — just research summaries, peptide comparisons, and deep dives into molecular pathways.

About Proliven Labs
Proliven Labs is a U.S.-based supplier of high-purity research-use-only (RUO) peptides. We partner with trusted domestic
manufacturers and test every batch through third-party labs. Our mission is to
give researchers a reliable source of COA-verified, small-batch peptides — with
transparency, education, and consistency at the core.
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