Research-Grade Peptides
Keep them
moving.
Dosed for their weight. Backed by research. Ready when they are.
Shop by Focus Area
Each compound targets specific health goals
Slow recovery
Tissue repair support
Joint stiffness
Mobility & comfort
Tackle anxiety
Calm without sedation
Digestive issues
Gut health support
Visible aging
Coat & vitality
Low energy
Cellular vitality
Immune support
Defense & recovery
Post surgery
Accelerated healing
3rd Party Tested
Every batch verified
≥99% Purity
Pharmaceutical grade
Made in USA
FDA-registered facility
Free Shipping
Orders over $150
Research-Backed Results
Go for your pet's
optimal.
Our compounds are selected based on peer-reviewed preclinical studies showing measurable outcomes.
See the research0%
Pain improvement
in knee injection study
PubMed retrospective study, n=16
0%
Collagen increase
vs. vitamin C & retinoic acid
Abdulghani et al., 1999
0x
Running endurance
in aged mice (22 mo.)
Nature Communications, 2021
0%
Survival rate
in colitis mouse model
PMC2431115
Functional Recovery Index
Day 0 → Day 14Achilles Functional Index (AFI) improvement in rat tendon healing model
Functional Recovery Data
Faster healing,
measurable results.
In a rat Achilles tendon study, BPC-157 treated subjects showed significantly improved functional recovery measured by the Achilles Functional Index (AFI) over 14 days.
All Compounds
Each personalized to your pet's weight
Loyal Repair
Accelerates healing of tendons, ligaments, muscles, and gut tissue.
$79/mo
Loyal Calm
Promotes calm behavior and cognitive function without sedation.
$69/mo
Every batch tested. Every COA published.
Transparency is standard here.
Loyal Skin & Coat
Stimulates collagen production and supports tissue regeneration.
$59/mo
Loyal Gut
Supports gut lining integrity and digestive comfort.
$69/mo
Loyal Immune
Supports healthy immune function and response.
$89/mo
More good days. That's what this is about.
Research-backed protocols for real results.
Loyal Foundation
Supports metabolic function and cellular energy production.
$99/mo
For Dogs & Cats
Same research.
Same standards.
Every protocol is weight-adjusted and species-appropriate.
Animal Study Data
Accelerated healing
in animal models.
In rat wound healing studies, GHK-Cu treated wounds showed dramatically improved collagen synthesis and faster closure times compared to control groups.
Source: Pickart et al., BioMed Research International →GHK-Cu vs Control
Rat wound modelPIC (Peptide-Incorporated Collagen) dressing study in healthy & diabetic rats
Peer-Reviewed Research
Published studies on PubMed
Our compounds are selected based on preclinical research published in peer-reviewed journals.
Explore Research LibraryNote: These peptides have been studied primarily in animal models. Human clinical data is limited. Not FDA approved for veterinary use. Consult your veterinarian before use.
Our Standards
You shouldn't have to
trust blindly.
Every batch is third-party tested. Every Certificate of Analysis is published. Check the purity. Verify the source. It's all there.
Questions about what's right for them?
Our protocols are based on published research. Review the studies, check the COAs, or reach out if you need guidance.