igf-1 lr3 cross reactivity standard igf-1 assay does not promote growth in late-gestation growth-restricted fetal sheep | American Journal of Physiology-Endocrinology and Metabolism Cell proliferation bioactivity of purified

Brenner's team discovered that the antioxidant GSH produced by T cells serves not only as a garbage collector to dispose of reactive oxygen species (ROS) and free radicals, but also as a key switch for energy metabolism that controls the immune response, and is thus of high relevance to various diseases

Pharmacol Ther 1991;51:155-94

A new generation of drugs: synthetic peptides based on natural regulatory peptides

Biomed Aging Pathol 3:179184

The carrier materials used for nanoparticles are typically biodegradable or ion sensitive and exhibit low toxicity, minimal side effects, and controllable release characteristics

But there's that off offsetting effect because you've increased costs for the licensed businesses