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Muscle Mass

IGF-1 LR3 is a synthetic analog of insulin-like growth factor-1 (IGF-1). It is a modified version of the naturally occurring IGF-1, a peptide hormone that plays a crucial role in growth and development. Operating at a cellular level, it is used to stimulate muscle growth and  is believed to enhance protein synthesis and contribute to the development of lean muscle mass. It has has insulin-like effects on glucose metabolism and can increase glucose uptake by cells, promoting energy utilization. The "LR3" in its name refers to the substitution of Arginine for Glutamic Acid at position 3, which extends the half-life of the peptide, making it more stable in the body.

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Research suggests

Increased Muscle Growth

Enhanced Muscle Recovery

Improved Body Composition

Increased Protein Synthesis

Anti-aging effects

Disclaimer: Some products on this site are for Research, Development use only. Products are not for human consumption of any kind. The statements made within this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure or prevent any disease.

Unleashing the Power of IGF-1 LR3: Transform Your Physique and Recovery

Discover How IGF-1 LR3 Can Revolutionize Your Fitness Journey, from Building Muscle to Speeding Up Recovery.

Muscle Development

IGF-1 LR3 is known for its potent effects on muscle growth. By promoting cellular growth and proliferation, it's a popular choice among athletes and bodybuilders seeking to increase muscle mass.

Fat Burning

IGF-1 LR3 assists in the metabolism of fats, potentially aiding in reducing body fat and improving overall body composition, a key goal for many fitness enthusiasts.

Protein Synthesis

By stimulating amino acid uptake in muscle cells, IGF-1 LR3 enhances protein synthesis, crucial for muscle building and repair, making it a desirable supplement for those looking to boost their gains.

The science of IGF-1 LR3?

IGF-1 LR3, or Insulin-like Growth Factor 1 Long Arginine 3, is a synthetic variant of the naturally occurring IGF-1 hormone, a protein similar in structure to insulin. It plays a crucial role in childhood growth and continues to have anabolic effects in adults. The LR3 variant of IGF-1 has been modified to avoid binding to proteins in the human body, thereby increasing its active lifespan and effectiveness. This modification enhances its potency and longevity in the body compared to natural IGF-1. IGF-1 LR3 works by binding to the IGF-1 receptor, which is present on many types of cells throughout the body, particularly muscle cells. Upon binding, it stimulates cellular growth (hypertrophy), promotes the uptake of amino acids (the building blocks of proteins), and aids in muscle recovery and regeneration. Additionally, IGF-1 LR3 can influence the metabolism of fats and sugars in the body, making it a compound of interest not only for muscle growth but also for its potential impacts on overall metabolic health. However, it's important to note that while the benefits of IGF-1 LR3 for muscle development and repair are supported by its biological action, clinical studies to fully understand its effects, safety profile, and potential long-term risks are still needed.

GetFitMed IGF-1-LR3

Certificate of Analysis (COA)


Talk to a doctor

For personalized health advice and to understand the suitability of peptides for individual conditions, consulting with a healthcare professional is recommended.

Frequently asked questions about IGF-1 LR3

Any medical treatment or supplement should be discussed with a healthcare provider for personalized advice.