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Everything you need to know about IGF-1 LR3 dosing — protocols, safety, and where to buy.
Dose Range
20–100 mcg per day
Frequency
Once daily, typically post-workout or in the morning
Cycle Length
4–6 weeks maximum (to prevent receptor desensitization and hypoglycemia risk)
Half-Life
20–30 hours (vs 12–15 minutes for native IGF-1)
Calculate syringe units instantly
Syringe Draw
10.0 units
2500 mcg/ml · 0.100 ml draw
Contraindications
Cancer or history of cancer (growth-promoting properties). Hypoglycemia risk. Active diabetic retinopathy. Pregnancy or breastfeeding.
CRITICAL: Monitor blood glucose closely — IGF-1 LR3 can cause significant hypoglycemia. Always have fast carbs available. Eat a carb-containing meal within 30 minutes of injection. Site-specific intramuscular injections are used for targeted muscle growth.
Where to Buy IGF-1 LR3
Compare 4 listings across 4 vendors — from $49.99
The typical dose range for IGF-1 LR3 is 20–100 mcg per day. It is usually administered Once daily, typically post-workout or in the morning. Always start with the lowest effective dose.
Once daily, typically post-workout or in the morning
Yes, typical cycle length is 4–6 weeks maximum (to prevent receptor desensitization and hypoglycemia risk).
Headache, mild GI discomfort, irritability at higher doses. Rare: insomnia, vivid dreams. Generally well-tolerated.
Compare 4 listings from 4 vendors on our price comparison page — starting from $49.99.