Symptoms include problems with blood sugar control that cannot be corrected by insulin alone. Chromium is found in drinking water, especially hard water, but concentrations vary so widely throughout the world that drinking water is not a reliable source. Two ounces of brewer's yeast or 4 ounces of calf liver supply between 50 and 60 mcg of chromium. Other good sources of chromium are whole-wheat bread, wheat bran, and rye bread. Potatoes, wheat germ, green pepper, and apples offer modest amounts of chromium.
Calcium carbonate interferes with the absorption of chromium.
The dosage of chromium used in studies ranges from 200 to 1,000 mcg daily. Therapeutic Uses Chromium has principally been studied for its possible benefits in improving blood sugar control in people with diabetes . 4 One study suggests that chromium may be useful for diabetes that occurs during pregnancy. 9 Weak and contradictory evidence suggests that chromium may lower cholesterol and triglyceride levels. However, the entire concept of Syndrome X is controversial, and many experts don't believe that it even exists.