As seen in
Premium Catalog
Featured Peptides
Explore our most popular peptides, each third-party tested for purity and potency.
By the Numbers
Results That Speak
report improved recovery and performance
peptide protocols delivered
member satisfaction rating
average shipping time
Simple Process
How It Works
Get started with physician-supervised peptide therapy in four simple steps. Premium peptides delivered to your door.
Take the Quiz
3 minutesAnswer a few questions about your goals, health history, and what you're looking to optimize.
Book Your Consult
15 min callSchedule a brief consultation with our peptide specialists to discuss your personalized protocol.
Start Your Protocol
Ships in 48hrsYour peptides ship directly to you with detailed dosing instructions and educational resources.
Track & Optimize
Ongoing supportAccess your member portal for education, progress tracking, and protocol adjustments.
Your Medical Team
Led by Experts in Peptide Science
Dr. Adrian Kovač brings over a decade of clinical experience in regenerative medicine and peptide therapy. His evidence-based, research-driven approach ensures every protocol is tailored to your unique biology and goals.
Dr. Adrian Kovač
Head of Peptide Science
MD, Board-Certified Internal & Regenerative Medicine
Board-Certified
Internal Medicine & Regenerative Medicine
14+ Years Experience
Clinical peptide therapy & longevity medicine
6,000+ Patients Treated
Personalized peptide protocols delivered
Pharmaceutical Grade
Quality You Can Trust
All peptides are manufactured under strict current Good Manufacturing Practices (cGMP) and in accordance with FDA CFR Title 21 guidelines. Every batch is third-party tested for purity >98%, potency, and the absence of contaminants.
GMP Certified
All peptides synthesized in FDA-registered, GMP-compliant facilities
COA Verified
Every batch includes a Certificate of Analysis for full transparency
>98% Purity
RP-HPLC and mass spectrometry verified purity exceeding 98%
USP Standards
Meets or exceeds U.S. Pharmacopeia quality standards
Fast Shipping
Ships within 48 hours with temperature-controlled packaging
Nationwide
Available in all 50 states, Puerto Rico & US territories
The Difference
Why Choose Hatter Labs?
Not all peptide providers are equal. See how we compare.
Transparent Pricing
Choose Your Protocol
Flexible membership options designed to fit your optimization goals. All plans include physician oversight and premium peptides.
All memberships include:
Real Results
Hear from members who have optimized their recovery and performance with peptide therapy.
“BPC-157 was a game-changer for my shoulder injury. Recovery that would have taken months happened in weeks.”
Recovery time cut by 50%
Jason M., 38
Miami, FL
“The peptide stack for gut health has completely transformed my digestion. I finally feel normal again.”
Gut symptoms resolved
Amanda L., 42
Tampa, FL
“Sermorelin has improved my sleep and recovery dramatically. I'm lifting heavier and recovering faster than in my 30s.”
Sleep quality up 60%
Chris B., 45
Orlando, FL
Protocol Builder
Find Your Protocol
Select your goal and experience level to see a recommended peptide stack.
1. Choose your goal
2. Your experience level
Got Questions?