IGF-1 LR3
t½ 24 hoursA modified form of IGF-1 with an extended half-life due to amino acid substitution, providing potent anabolic and growth-promoting effects.
Dosing Ranges
Conservative
Starting dose
Standard
Standard dose
Aggressive
Aggressive dose
Doses are in mcg per kg of body weight. Use the Dosage Calculator to get your exact dose.
Protocol Details
Frequency
1x daily
Cycle Length
4–6 weeks
Administration
Subcutaneous or intramuscular injection
Research Notes
- 1Significantly more potent than endogenous IGF-1 due to reduced IGF binding protein affinity.
- 2Can cause hypoglycemia — always administer with food or post-workout.
- 3Short cycle lengths recommended due to potency and organ growth concerns.
- 4Not for beginners — requires careful dosing and monitoring.
Common Vial Sizes
Calculate your dose
Enter your body weight to get your exact dose in mcg for IGF-1 LR3.
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Where to source peptides
Research Use OnlyApollo Peptides
High-purity peptides, COA on every batch
Peptide Sciences
US-based, 98%+ purity, fast shipping
Limitless Life Nootropics
Wide catalog, quantity discounts
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For informational and research tracking purposes only. Not medical advice. Always consult a qualified healthcare professional before starting any peptide protocol.
User Reviews
PepStack is for research and educational purposes only. This is not medical advice. Always consult a qualified healthcare provider before using any peptides. Dosing data is sourced from published research and community protocols — verify with your provider.
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