IGF-1 DES is a truncated, natural version (splice variant) of insulin-like growth factor-1 Naturally found in the brain, breast milk, and uterine tissue, IGF-1 DES stimulates hypertrophy and hyperplasia of a number of different cell lines. Research has shown this version of the protein to be more potent than standard IGF-1, mostly as a result of its enhanced bioavailability. Currently, researchers are looking at ways to utilize IGF-1 DES in the treatment of inflammatory bowel disease (IBD), autism, and a variety of neurological conditions. Research shows that it helps to maintain the health of synaptic connections in the central nervous system and, like all IGF-1, promotes the repair of muscle and connective tissue.

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