IGF 1 LR3: Nasal Spray vs. Subcutaneous Injection Comparison Recombinant Human LR3 IGF I IGF 1 GMP Protein, CF 8335D GMP: R&D Systems IGF 1 LR3 Injection Thaiger Pharma, Strength: 100 mcg at 7500 box in New Delhi IGF 1LR3 IGF 1 LR3 vs HGH: Which Growth Enhancer Is Better? Swolverine Best time to take growth hormone? , Most athletes use it on an empty stomach, with the most common timing about an hour before bed., Consistency and timing make the difference., Watch the full