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Peptide Therapy — Pasadena, CA
Peptide Therapy
at Lean Lab
Peptides are short chains of amino acids — the building blocks of proteins — that act as messengers in the body. They help regulate nearly every biological function, including hormone production, metabolism, tissue repair, immune function, and fat burning. When you are on peptide therapy with Lean Lab, you have access to provider care.
25+
Peptides Available
Safely Sourced
U.S. Compounded by 503a Pharmacies
Provider
Care Included
Monthly
Monitoring
Browse by Goal
Select a goal below to filter peptides to what matters most to you. Every protocol is medically supervised and tailored to your labs.
Examples of Some Peptides
Prices listed are cash prices. Card payments may be subject to a processing adjustment of up to 3%.
CJC-1295 / Ipamorelin
Thymosin Alpha-1
Thymosin Beta-4 (TB-500)
BPC-157
DSIP
Semax
Sermorelin / Ipamorelin
Tesamorelin
Tesamorelin / Ipamorelin
PT-141
Patient Stories
Real Results, Real People
"I started BPC-157 after a stubborn shoulder injury that wouldn't heal. Within six weeks I had more range of motion than I'd had in years. The team at Lean Lab walked me through everything — I felt completely supported."
David K.
Pasadena, CA
"CJC-1295 and Ipamorelin completely changed my sleep and recovery. I'm waking up rested for the first time in years and my body composition has shifted noticeably. This is the real deal — not a supplement, an actual protocol."
Stephanie M.
Glendale, CA
"NAD+ has been a game changer for my mental clarity and energy. I'm a provider myself and I was skeptical, but the results speak for themselves. Lean Lab is running a serious, medically sound operation."
Marcus L.
Los Angeles, CA
Why Peptide Therapy
at Lean Lab?
At Lean Lab, peptide therapy is not a supplement stack you order online. Every protocol is medically supervised, lab-guided, and monitored by our clinical team. We use pharmaceutical-grade peptides compounded for providers in the U.S. — and we adjust your plan based on your actual response, not a generic protocol.
- Medically supervised — provider care included with every protocol
- Lab-guided dosing and monitoring
- Personalized plans based on your goals, symptoms, and labs
- Combine peptides with IV therapy, weight loss, or hormone optimization
Getting Started
- 01
Book a Consultation
$250 consultation fee — applied toward 3, 6, and 12-month weight loss packages.
- 02
Lab Panel + Body Scan
Comprehensive blood work and Styku 3D body composition scan to establish your baseline.
- 03
Personalized Protocol
Our medical team designs a peptide protocol tailored to your goals and lab results.
- 04
Ongoing Monitoring
Monthly check-ins, lab reviews, and plan adjustments to optimize your results.
AI-Assisted Content Notice: Some content on this page may have been generated or enhanced with the assistance of artificial intelligence. While we strive for accuracy, AI-generated information may contain errors or omissions. This content is for informational purposes only and does not constitute medical advice. Always verify health information with a licensed provider at Lean Lab P.C. or consult your own healthcare provider before making any medical decisions.