Liu L, Huang A, Wang B, Zhang H, Zheng Y, Wang L
Choose IGF-1 LR3 if you want: Systemic muscle growth across the entire body A longer-acting peptide that fits into morning or post-workout routines A tool for bulking , lean mass phases, or metabolic recomposition A stackable agent that pairs well with MK-677 , testosterone , or anavar Choose IGF-1 DES if you want: Localized muscle growth to enhance lagging body parts A short-acting peptide for use immediately post-workout A recovery tool during injury rehab or physical therapy phases A stacking agent with healing peptides like BPC-157 or TB-500 Many advanced users cycle IGF-1 LR3 during growth phases and switch to IGF-1 DES for focused recomposition or recovery blocks
Yin PT, Shah S, Pasquale NJ, Garbuzenko OB, Minko T, Lee KB
2009, www.ncbi.nlm.nih.gov/pmc/articles/PMC2756154/