Chromium deficiency is difficult to determine because of the lack of accurate tests for chromium status. Chromium deficiency may be a contributing factor in both type 2 diabetes and impaired glucose tolerance. Heavy exercise may increase the amount of chromium needed.
Summary for Chromium
Main function: assists insulin in controlling blood sugar.
Adequate Intakes: adults, 20 mcg to 35 mcg.
Toxicity: no reports of toxicity from trivalent chromium.
Hexavalent chromium is highly toxic.
Tolerable upper intake level has not been set.
Deficiency may interfere with the control of blood sugar.
Sources: whole grain products, broccoli, green beans, grape juice, and spices.
Form in the body: trivalent chromium.
Figure 13-4 Chromium increases the power of insulin.
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