Proteins are necessary for tissue repair and for the construction of new tissue. Every cell needs protein to maintain its life. Protein is also the primary substance used to replace worn out or dead cells. Your muscles, hair, nails, skin, and eyes are made of protein.
Taking supplemental chromium has been shown repeatedly to improve insulin sensitivity and glucose tolerance, even to the point of reversing type II diabetes in many people (1). Thus, as my old clinical nutrition professor pointed out, apparently a chromium deficiency can actually lead to type II diabetes.
You can't change your body's sensitivity to insulin which is probably genetic, but there are lots of things you could do to improve. 1  Eat whole, healthy food which tends to have a low GI. 2  Avoid added sugar at all cost. 3  Avoid processed food.  Eat smaller portions but more 1  meals. Avoid oily food.  Exercise more 1  often. Have a little bit of caffeine.