IGF-1 LR3
Also known as: Long R3 IGF-1
Long-acting IGF-1 variant: promotes muscle growth and fat loss via sustained IGF signaling.
- Typical dose
- 20 mcg – 50 mcg
- Frequency
- once daily
- Route
- Subcutaneous
- Half-life
- 1 day
- Routes
- Subcutaneous
- Status
- Research chemical
Benefits
- Muscle growth
- Fat loss
- Recovery
- Hyperplasia (new muscle cells)
Dosing
A common research range for IGF-1 LR3 is 20 mcg to 50 mcg once daily. Post-workout; cycle 4 weeks on / 4 weeks off. These figures are reference points from published literature, not a prescription — your protocol should be set with a licensed provider.
Reconstitution
A typical reconstitution for IGF-1 LR3 is 1 mg of peptide in 1 mL of bacteriostatic water, giving roughly 1 mg per mL. Vial's built-in calculator works out the exact syringe draw for any vial size and dose.
Half-life
IGF-1 LR3 has an approximate half-life of 1 day. Vial plots the real concentration curve from your logged doses so you can see peak windows and when levels taper.
Storage
2-8°C post-reconstitution; very fragile.
Reported side effects
- Hypoglycemia
- Joint pain
- Gut growth (high doses)
Contraindications
- Active cancer
- Diabetes (hypoglycemia risk)
Commonly stacked with
Track IGF-1 LR3 with Vial
Vial logs every IGF-1 LR3 dose, plots its half-life curve, calculates reconstitution math, and keeps your whole protocol on schedule — on-device and private. Download Vial on the App Store →
This page is for educational and harm-reduction purposes only. IGF-1 LR3 is not FDA-approved for most uses described here. Always consult a licensed physician before starting any peptide protocol. Vial does not sell peptides, recommend vendors, or provide medical advice.