Key Benefits
Biologic Description
IGF-1 LR3, a highly potent variant of the naturally occurring Insulin-like Growth Factor 1 (IGF-1), is engineered to amplify IGF-1's anabolic activities with a pronounced efficacy in muscle and fat metabolism. By incorporating modifications such as the substitution of Arginine for Glutamic Acid at the third position and extending the peptide's N-terminus, IGF-1 LR3 exhibits an enhanced biological activity and a significantly prolonged half-life of approximately 20-30 hours in the human body. These alterations not only extend its duration of action but also enable IGF-1 LR3 to circumvent binding with IGF-binding proteins, which typically impede the biological availability and efficacy of IGF-1.
The mechanism of action of IGF-1 LR3 is multifaceted, involving the direct stimulation of muscle cells and other tissues by binding to the IGF-1 receptor, which activates intracellular signaling pathways essential for muscle growth and differentiation. Notably, IGF-1 LR3 enhances muscle sensitivity to insulin, thereby promoting glucose uptake and utilization while simultaneously reducing fat storage. This unique action supports the dual objectives of muscle hypertrophy and fat reduction.
In muscle tissue, IGF-1 LR3 is instrumental in increasing the DNA and RNA synthesis, which are crucial for protein synthesis and muscle cell proliferation, leading to hyperplasia (increase in the number of muscle cells) and hypertrophy (enlargement of existing muscle cells). This results in an overall increase in muscle mass and strength, alongside improved muscle recovery and reduced recovery times post-exercise due to its regenerative properties.
Moreover, IGF-1 LR3's ability to modulate glucose metabolism—by restricting glucose transport into cells—encourages the use of fat as an energy source, facilitating significant fat loss. This metabolic shift not only enhances lean muscle gains but also contributes to a more efficient energy use within the body.
The clinical applications of IGF-1 LR3 span across various growth deficiencies and conditions requiring anabolic support, including hormone deficiencies leading to short stature, Turner Syndrome, muscle-wasting diseases, and conditions associated with pituitary tumors. The therapeutic benefits of IGF-1 LR3 are not limited to growth stimulation; it also encompasses the enhancement of lean muscle mass, improvement in athletic performance, reduction in body fat, upregulation of antioxidant benefits, and strengthening of ligaments.
IGF-1 LR3 represents a significant advancement in peptide therapy, offering a robust anabolic tool with extended half-life and enhanced potency. Its dual action on muscle growth and fat metabolism makes it a highly sought-after compound in fields requiring accelerated muscle development and recovery, alongside metabolic optimization for fat loss.
Dosage Guidelines
The administration of IGF-1 LR3 typically involves careful dosing and timing to maximize its anabolic and metabolic effects while minimizing potential side effects. A common starting dose is around 10 to 20 micrograms (mcg) per day post-workout. It will drop your sugar. Make sure you eat carbs.
It is recommended to inject IGF-1 LR3 subcutaneously or intramuscularly, either once daily or split into two doses administered in the morning and after training sessions to leverage its half-life and coincide with the body's natural rhythms of growth hormone release. This peptide's extended activity period of 20-30 hours allows for flexible dosing schedules, yet daily injections are favored for maintaining steady levels in the system.
Users should start with the lower end of the dosing range to assess tolerance and gradually adjust based on response and goals. The cycle length often ranges from 4 to 6 weeks, followed by a break to prevent desensitization to its effects. Proper timing, dose adjustment, and cycle duration are crucial for harnessing IGF-1 LR3's benefits in muscle growth, recovery, and fat loss effectively and safely.
10 - 20 mcg
Daily
4 Weeks
Side Effects
The use of IGF-1 LR3, while beneficial for muscle development and fat loss, is not without potential side effects. Users may experience hypoglycemia due to IGF-1 LR3's insulin-like effects, which can lower blood sugar levels. Other possible side effects include swelling or edema, joint pain, and an increased risk of developing tumors or exacerbating pre-existing cancers, given IGF-1's role in cell proliferation. Care should also be taken regarding the acromegaly risk, a condition characterized by abnormal growth of the hands, feet, and facial features, due to excessive IGF-1 activity.
Combining IGF-1 LR3 with other peptides or growth hormone-releasing hormones (GHRHs), like CJC-1295 or Ipamorelin, can synergistically enhance the growth hormone axis, potentially amplifying the benefits while mitigating some side effects. However, such combinations should be approached with caution and under the guidance of a healthcare professional to manage risks effectively.
Individuals with a history of cancer, diabetes, or those predisposed to hypoglycemia should avoid using IGF-1 LR3 due to the increased risk of adverse effects. Pregnant or breastfeeding women should also refrain from its use, as the impacts on fetal development or infants are not well understood.
While IGF-1 LR3 offers significant benefits for muscle growth and fat loss, it is essential to weigh these against the potential side effects and health risks. Proper dosage, cautious combination with other compounds, and a clear understanding of individual health conditions are critical considerations before starting a regimen with IGF-1 LR3.
References:
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Clemmons, D. R. (1998). Role of insulin-like growth factor binding proteins in controlling IGF actions. Molecular and Cellular Endocrinology, 140(1-2), 19-24. doi:10.1016/S0303-7207(98)00038-8
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Fryburg, D. A., Jahn, L. A., Hill, S. A., Oliveras, D. M., & Barrett, E. J. (1995). Insulin and insulin-like growth factor-I enhance human skeletal muscle protein anabolism during hyperaminoacidemia by different mechanisms. The Journal of Clinical Investigation, 96(4), 1722-1729. doi:10.1172/JCI118215
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Yakar, S., Liu, J. L., Stannard, B., Butler, A., Accili, D., Sauer, B., & LeRoith, D. (1999). Normal growth and development in the absence of hepatic insulin-like growth factor I. Proceedings of the National Academy of Sciences, 96(13), 7324-7329. doi:10.1073/pnas.96.13.7324
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Velloso, C. P. (2008). Regulation of muscle mass by growth hormone and IGF-I. British Journal of Pharmacology, 154(3), 557-568. doi:10.1038/bjp.2008.153
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Barton-Davis, E. R., Shoturma, D. I., Musaro, A., Rosenthal, N., & Sweeney, H. L. (1998). Viral mediated expression of insulin-like growth factor I blocks the aging-related loss of skeletal muscle function. Proceedings of the National Academy of Sciences, 95(26), 15603-15607. doi:10.1073/pnas.95.26.15603