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IGF-1 primarily functions as a support compound for muscle growth by increasing amino acids, glucose, and fatty acids for long-term muscle growth.
- Usage: 50–100 mcg/day, subcutaneous or intramuscular
- Cycle Duration: 4–6 weeks (receptor desensitization occurs after ~4 weeks)
- Stack With: Makes a great stack with HGH
- Aromatization: None
- PCT: Not required
