Description
IGF1-LR3 1mg – Insulin-Like Growth Factor Peptide for Muscle Growth & Recovery
Overview:
IGF-1 LR3 (Long R3 Insulin-Like Growth Factor 1) is one of the most powerful peptides for muscle growth, fat loss, and cellular repair. It’s a modified version of the naturally occurring IGF-1 hormone, engineered to have a longer half-life and higher biological activity. With a half-life of over 20 hours, it stays active in the body significantly longer than standard IGF-1, making it ideal for anabolic enhancement and tissue regeneration.
Mechanism of Action:
IGF-1 is the key mediator of growth hormone’s muscle-building effects. It promotes muscle cell proliferation, differentiation, and hyperplasia—meaning not only muscle size increase but new muscle fiber creation. IGF1-LR3 also improves nutrient delivery to muscle tissue and accelerates recovery through cellular regeneration.
Key Benefits:
Increases lean muscle growth (hypertrophy + hyperplasia)
Speeds up recovery and healing
Enhances nutrient absorption and insulin sensitivity
Promotes fat loss and vascularity
Improves endurance and overall performance
Supports anti-aging and tissue rejuvenation
Usage Protocol:
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Dose: 20–100mcg per day depending on experience
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Timing: Pre-workout or post-workout for site-specific growth
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Cycle Duration: 4–6 weeks typical, followed by a 4-week break
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Injection: Subcutaneous or intramuscular (site-specific optional)
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Mixing: Reconstitute with bacteriostatic water (1mg = 1ml)
Stacking Strategies:
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Combine with HGH for synergistic muscle growth
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Stack with Insulin or T3 for enhanced nutrient partitioning
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Pair with BPC-157 or TB-500 for recovery and repair phases
Side Effects & Warnings:
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Possible hypoglycemia if used with insulin or on empty stomach
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Mild water retention or jaw/forearm tightness
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Avoid overdosing—IGF-1 impacts cellular growth system-wide
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Do not use continuously—cycle responsibly
Storage:
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Store vial in refrigerator before and after reconstitution
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Use within 20–30 days after mixing
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Protect from light and do not freeze
Note:
IGF1-LR3 is a high-level peptide for serious athletes and enhanced users only. It offers potent muscle-building and recovery benefits, especially when paired with a high-protein diet and resistance training. Always consult a knowledgeable coach or medical advisor when using performance peptides.

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