IGF-1 LR3, also known as insulin-like growth factor-1 long arginine 3, is an artificial and altered version of insulin-like growth factor-1. Studies suggest that IGF-1 LR3 may have poor binding ...

They can also help to reduce body fat and improve bone density. What is the difference between IGF-1 LR3 and HGH? IGF-1 LR3 is a synthetic version of IGF-1 that has a longer half-life than natural ...