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Updated 6 Nov 2026

Which peptides are sold for cats?

Peptides are short chains of amino acids. We found 7 sold for cats: BPC-157, TB-500, KPV, Thymogen and 3 others. None has been officially tested in cats or approved for animals. Each page shows what is known and which sellers test their batches.

Not officially tested in cats

None of these has been tested as a treatment or approved for animals. Each page shows what is known, the risks and which sellers prove what is in the product.

  1. BPC-157A short chain of amino acids that has been studied in the lab since the 1990s, mostly for gut and tissue healing.JointsGutSellers4From$74Compare
  2. TB-500A lab-made peptide based on part of thymosin beta-4, a protein the body makes itself, studied in the lab for wound and tissue repair.JointsSkinSellers2From$74Compare
  3. GHK-CuA small copper-binding peptide found naturally in the body, studied mostly for skin and wound repair.SkinSellers1FromSold out when checkedCompare
  4. KPVA three-amino-acid fragment of a natural hormone (alpha-MSH), studied in the lab mostly for gut and skin inflammation.GutSellers2From$99Compare
  5. SelankA lab-made peptide based on tuftsin, a small fragment of an immune protein, developed in Russia and studied in people for anxiety.Sellers1FromSold out when checkedCompare
  6. SemaxA lab-made peptide based on a fragment of ACTH, a natural hormone, developed in Russia and studied in people after stroke.Sellers1FromSold out when checkedCompare
  7. ThymogenA two-amino-acid peptide (Glu-Trp) developed in Russia as an immune medicine, listed as an ingredient in some pet oils.Sellers2From$99Compare

Lowest price in stock when checked on 28 Oct 2026. Sizes differ, so compare the full tables. Compare all sellers.

Not on this list

Some shops also sell NAD+, L-carnitine and vitamin B12 next to their peptides. They aren’t peptides, so we leave them out. Peptide medicines your vet can prescribe, such as insulin, are a different thing: they are approved and tested. See which peptides are FDA-approved for cats, or read what changes when cats get human peptides.