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.
So any program adapted to address high blood pressure needs to help normalize both your insulin/leptin sensitivity and uric acid level. As it turns out, by eliminating excess sugar/fructose from your diet, you can address all three issues (insulin, leptin, and uric acid) in one fell swoop.