Long Chain Human Insulin Growth Factor 1-R3 - Keifei Pharma

Originally synthesized for laboratory research, Long(R3)-IGF-1 has become popular in the fitness community for its robust anabolic effects. Unlike traditional IGF-1, this variant has a prolonged duration and increased efficacy, making it ideal for athletes looking to maximize lean muscle development and overall muscle volume. Its muscle-building effects are generally accompanied by intensified pumps and improved endurance during high-intensity training​.

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For detailed information about Long Chain Human Insulin Growth Factor 1-R3 by Keifei Pharma, consult with your doctor or healthcare professional.