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A tabby cat nuzzling a white dog resting in grass

Companion animal research

ENOS PetBio

Advanced science.
Extraordinary companions.

Animal-focused
Research driven
Purity tested
Batch documentation
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Engineered Nutrition and Optimization Science

ENOS: built for the human.

Named for the first of a new generation. We help researchers rebuild from the inside out.

The ENOS collection

Featured Products

Defined by science.
Made for their world.

Browse Research Peptides

One standard. Every companion.

Research peptides for dogs, cats & horses.

A focused collection of peptide compounds, clear product information, and convenient research supplies — all under the ENOS PetBio name.

Find a protocol for your companion

Research-grade compounds

Explore each peptide’s identity, ingredients, and research context.

Batch transparency

Review product information and analytical documentation.

Simple fulfillment

Tracked delivery and free shipping on qualifying $75 orders.

Save on refills

Choose a monthly subscription for 15% off repeat orders.

Veterinarian examining a dog in a clinic
Animal-focused research, guided by veterinary expertise.

About ENOS PetBio

Small molecules.
A bigger perspective.

Companion animals are at the heart of our collection. From BPC-157 and TB-500 to GHK-Cu and Epitalon, explore research compounds with the information you need in one place.

  • Compound descriptions and ingredients
  • Canine, feline, and equine product information
  • One-time purchase or monthly refills
  • Reconstitution supplies available at checkout

Explore the collection

Peptide Catalog

A little clarity

Frequently asked
questions.

Product information, refills, and the essentials before you order.

Which animals are your products for?+

Our catalog covers canine, feline, and equine research. Review each product’s information and consult your veterinarian; protocols are not interchangeable across species.

Where can I find the ingredients and usage information?+

Each product page includes its compound description, ingredients, usage information, and available purchase options. Your veterinarian should guide any animal-use protocol.

What is a Certificate of Analysis?+

A COA documents a batch’s analytical testing, including identity and purity. Review the batch documentation before beginning your research.

How should I store peptides?+

Follow the storage guidance on the product label and product page. Reconstituted products may require refrigeration and have a shorter usable period.

How does Subscribe & Save work?+

Select Subscribe & Save on a product page for 15% off monthly refills. You can skip, pause, or cancel your subscription.

How much does shipping cost?+

Standard checkout shipping is $8.95, with free shipping when your merchandise total after discounts reaches $75. Final shipping and taxes are shown at checkout.

Can I use my subscriber credit with a discount code?+

Your first-order subscriber credit is $25 without another code. If you apply a discount code, the credit becomes $5 on top of that code. The credit is one-time use.

Why ENOS

ENOS

Hebrew for man, mortal human. Seth's son in Genesis, born when men began to call upon the name of the Lord.

eNOS

In biology, the enzyme that produces nitric oxide, central to blood flow, recovery and heart health.