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June 11, 1982

And if you add chromium, that's even better

JAMA. 1982;247(22):3046-3047. doi:10.1001/jama.1982.03320470010005

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Supplements of the mineral chromium in relatively high amounts may have beneficial effects on glucose and insulin metabolism and on serum lipid levels. That's the suggestion from a study reported at the recent New Orleans meeting of the American Institute of Nutrition by nutritional biochemists Marilyn Polansky, MS, and Richard Anderson, PhD.

At the US Department of Agriculture Human Nutrition Research Center in Beltsville, Md, Polansky and Anderson selected 41 healthy adult volunteers for the sequential double-blind crossover study. All subjects received daily supplements of inorganic chromium salt for three months, tablets of brewer's yeast (one of the richest known sources of bioactive chromium) for three months, and placebo for three months. With the inorganic salt and the yeast, total chromium intake was 200 μg/day. The provisional recommended daily allowance is 50 to 200 μg.

The investigators measured serum lipid levels and response to an oral glucose tolerance test (OGTT)