IGF-1 DES (1-3) Short half-life (~2030 minutes) 10x more potent at the receptor Acts locally at the injection site Ideal for targeted muscle growth or injury recovery Exogenous IGF-1 analogs like LR3 and DES offer enhanced bioactivity and specificity, making them useful in both clinical and athletic settings. Bach, Current Pharmaceutical Design For a full breakdown of how these analogs work, read Unlocking the Power of IGF-1 LR3: The Ultimate Guide to Growth and Recovery Common Side Effects of IGF-1 Peptides While IGF-1 peptides are highly effective for promoting muscle growth, recovery, and fat loss, their powerful biological activity can lead to side effectsespecially when used improperly or without understanding how they influence insulin signaling, tissue growth, and metabolic function
Human studies have been very small, with inconsistent doses and contradictory resultsranging from no sleep improvement to a very mild boost
However, the growth hormone may also stimulate IGF-1 production by other cells, such as muscle cells
Two habits carry most of the protection
White, A., et al., Reduced glucose-stimulated insulin secretion following a 1-wk IGF-1 infusion in late gestation fetal sheep is due to an intrinsic islet defect