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In the STZ-induced diabetic mouse model, DNA synthesis increases and peaks at day 2 in the proximal tubules, and the expression of various growth factors including epidermal growth factor (EGF), platelet-derived growth factor (PDGF), basic fibroblast growth factor (FGF), insulin-like growth factor-1 (IGF-1), hepatocyte growth factor (HGF) and vascular endothelial growth factor (VEGF) has been observed ( Figure 1 )
Each batch should have its own testing results available upon request
The Bottom Line The optimal IGF-1 LR3 dosage protocol balances effectiveness with safety: 20-50 mcg per day for 4-6 weeks , injected post-workout or before bed, with careful attention to blood sugar management and receptor sensitivity
If it's a matter of cost or "supplement fatigue," consider a maintenance dose
