What is IGF-LR3?
IGF-LR3 is a modified form of insulin-like growth factor 1 designed to resist binding proteins, extending its active window considerably compared with native IGF-1.
Healthy Aging & Longevity
IGF‑LR3
A modified insulin-like growth factor analog with extended activity, reserved for closely monitored protocols.
- Format
- 1mg vial — injectable
- Price
- $200 per vial
- Route
- Injectable
- Evidence level
- Limited
- Regulatory status
- Educational Only
- Testing
- Baseline Labs Generally Required
Pricing reflects the compounded preparation and doctor review. Final therapy and dosing are determined only after your intake is reviewed.
Overview
Understanding IGF-LR3
Format & administration
Prescribed as a subcutaneous injection on a doctor-defined schedule. This therapy is generally reserved for patients already established in a monitored protocol.
Testing posture
Your doctor determines the final testing requirements for IGF-LR3 after reviewing your intake. The panels below are what is commonly reviewed for this therapy — they are educational guidance, not a fixed requirement.
How it works
How IGF-LR3 works
- 01IGF-1 signaling drives cellular growth and protein synthesis downstream of growth hormone.
- 02The LR3 modification reduces binding protein sequestration, so a greater proportion remains available at receptors.
Show illustration: IGF-LR3
What has been studied
Potential applications and evidence
These areas are commonly discussed within wellness-focused protocols. They are educational statements, not medical claims or guarantees of outcome.
Explored for lean tissue and recovery
Discussed within advanced body composition protocols
Potential influence on glucose metabolism
Requires close doctor oversight
Doctor-guided
A personalized approach
Your doctor determines the final testing requirements for IGF-LR3 after reviewing your intake. The panels below are what is commonly reviewed for this therapy — they are educational guidance, not a fixed requirement.
Bloodwork status: Baseline Labs Generally Required
Commonly reviewed at baseline
- IGF-1
- Comprehensive metabolic panel (CMP)
- Fasting glucose and A1c
- Lipid panel
- Thyroid panel (TSH, free T4)
- Fasting insulin
Follow-up & monitoring
IGF-1 and glycemic markers are followed closely; your doctor sets a conservative recheck interval.
Medication review
Your doctor reviews all prescriptions, supplements, and over-the-counter medications during intake before anything is prescribed.
Format & dosing
Prescribed as a subcutaneous injection on a doctor-defined schedule. This therapy is generally reserved for patients already established in a monitored protocol.
Safety
What patients should know
- Compounded, not FDA-approved. Contraindicated with active or suspected malignancy. Hypoglycemia risk warrants careful dose review, particularly in patients using insulin or glucose-lowering agents.
Who may not be a candidate
- Pregnancy or nursing
- Active malignancy without oncology clearance
- Known hypersensitivity to the preparation
- Any history of malignancy without oncology clearance
- Hypoglycemia or uncontrolled diabetes
Regulatory status: Educational Only. Evidence level: Limited. Eligibility, dosing, laboratory requirements, and follow-up care are determined exclusively by a licensed doctor after review of your history.
Common questions
Frequently asked questions
Keep exploring
Related therapies
Healthy Aging & Longevity
CJC-1295 / Ipamorelin
Growth hormone optimization for body composition and recovery.
Baseline Labs Generally Required
$250View
Healthy Aging & Longevity
Tesamorelin
Growth hormone-releasing peptide for visceral fat reduction.
Baseline Labs Generally Required
$220View
Healthy Aging & Longevity
Tesamorelin / Ipamorelin
Dual GH secretagogue stack for fat loss and body composition.
Baseline Labs Generally Required
$250View
Ready when you are
Find out what your body is actually asking for.
Fill out a short intake form and our care team will build a plan grounded in your labs — not a guess from a supplement aisle.