What Is a Peptide?
Peptides are short-to-medium chains of amino acids. Amino acids are the basic building blocks that make up proteins. When amino acids connect together in a smaller chain, they form a peptide. When those chains become larger and more complex, they are usually called proteins.
Peptides are naturally occurring in the body. Animals, like humans, already produce many different peptides as part of normal biology. These natural peptides help the body send messages between cells, tissues, organs, and systems.
A simple way to think about it is this:
- Amino acids are the building blocks.
- Peptides are small messenger chains.
- Proteins are larger, more complex structures.
Peptides are important because many of them act like cellular signals. They can help tell the body when to repair, regulate, balance, protect, or respond. Different peptides are associated with different biological pathways, which is why they are being studied in areas like skin and coat health, mobility, gut balance, recovery, tissue wellness, and healthy aging.
In animal wellness, peptides are not meant to replace veterinary care or act as disease treatments. Instead, they are positioned as support tools that may help the body maintain normal function and healthy communication between cells.
For Animal Vitality, peptides are the foundation of a new category of animal wellness products built around cellular communication, weight-based protocols, and professional-guided support.
How synthetic peptides are made
The compounds in our catalog are produced by solid-phase peptide synthesis: amino acids are added one at a time to a growing chain anchored to a resin, then the finished sequence is cleaved, purified by HPLC and freeze-dried (lyophilized). Purity is confirmed by HPLC and identity by mass spectrometry, which is what appears on each lot's certificate of analysis. Lyophilized peptides are stable at room temperature in transit and are reconstituted with sterile water before use.
Why the literature is mostly rodent
Most peptide research is preclinical: rat and mouse models of injury, inflammation or wound healing, with occasional rabbit, dog and horse studies. Controlled clinical trials in companion animals are rare. On every product page we summarize what has been published, name the species and model, and link the primary paper, so you can judge the evidence yourself. We do not extrapolate dosing or outcomes from these studies.
Pharmacology & metabolism in companion animals
Reading a certificate of analysis
Every lot ships with a COA that identifies it: lot number, HPLC purity percentage, mass-spectrometry observed vs. theoretical mass, appearance, and net peptide content where reported. Read the lot number first — it ties the vial to its paperwork and to your receiving records. The purity and mass-spec lines confirm what's in the vial. Ask us if a value looks off; we'll pull the raw chromatograms.