IGF-1 LR3, also known as Long Arg3 IGF-1, is a recombinant protein analogue of human Insulin-Like Growth Factor-1 that has a molar mass of 9,200 Daltons and is comprised of 83 amino acids. IGF-1 LR3 comprises the complete IGF-1 sequence, but with a 13 amino acid extension on the B-Terminus domain and the substitution of an Arginine for the Glutamic Acid at position 3. The LR3 analogue of IGF-1 was created with the intent to drastically increase the biological activity of the protein and IGF-LR3 is several times more potent than rhIGF-1. 

The primary purpose of IGF-1 is to help improve muscularity and healing and recovery times. IGF-1 can also stimulate a decrease in body fat, an increase in lean muscle mass, improved skin tone and restful sleep.  IGF-1 has also been documented to increase the rate and extent of muscle repair after injuries or strains.  Not only do muscles recover more quickly, they also tend to return stronger and healthier than ever when levels of IGF-1 inthe bloodstream are at their highest.  IGF-1 also has a positive efect in the aging process. It can prevent age-related degeneration of muscles, skin tissue and bones.  Athletes, bodybuilders and physical competitors around the world are learning all about the benefits of IGF-1 and implementing the growth hormone into their daily regimented workouts.

IGF-1 dosages and length of cycle

IGF-1 novices will be able to use a smaller dose than a more advanced user. For your first IGF-1 cycle, you need to remember that less is more, meaning that you don’t have to use a lot to get great results. For your first or second cycle with IGF-1, you will use 50 mcg per injection day, 3 days per week (or 20-25 mcg daily), and split into two daily injections. For LONG R3 IGF-1 you can inject less frequent. for advanced users dosages may grow but never exceed 120 mcg daily.  Our advice is to limit the IGF-1 cycle for 4-5 weeks to get maximum effect then take rest. Too much IGF-1 will result in deregulation of IGF-1 receptors on the surface of muscle cells and his will jeopardize any gains from the injected IGF-1. Time gap between cycles should be 20-40 days.  IGF-1 is also best taken either subcutaneously (preferably) or IM, having more direct effects on the body when injected. It’s also recommended to be taken during the morning/evening only (novice) or after work out only  (novice) or morning/evening plus after weight training sessions (advanced user). So advanced user makes from two to four injections daily.

Stacking IGF-1 and Human Growth Hormone for Synergetical Results

Long R3 IGF-1 can directly stimulate muscle growth when compared to human growth hormone (HGH). Usage of IGF-1 brings more faster results than HGH because HGH acts indirectly and process is slower. If stacking with HGH after workout you can do for example like this: 5 IU HGH then 50 mcg IGF after 20 minutes (or smaller dosages if you make more frequent injections).

Many research studies have shown that GH and IGF-1 act synergistically to augment the effect of either hormone taken individually. So, the greatest results will take place when effective dosages of both hormones are injected. Usually 10-20mcg of IGF-1 (post workout) and 4-8 IU HGH EOD (with breakfast and at 1 p.m.) is the ideal stack for optimal results and minimal side effects.