glutathione methionine cycle metabolism and synthesis. As an important Methionine Cycle Dietary Regulation and
Description
Besides IGF-1, other measurements also show significant changes

Research has shown that the serum Fn concentration is directly proportional to the severity of menstrual dysfunction, suggesting that the iron retention effect of chronic oligomenorrhea may be associated with increased iron storage in some PCOS patients (140)

Changes in spinal GDNF, BDNF, and NT-3 expression after transient spinal cord ischemia in the rat

And this involves hundreds of biochemical processes in the body

D.LockwoodA
