Adult men should consume 35 micrograms of chromium per day and adult women should consume 25 micrograms of chromium per day, according to the National Institutes of Health. Nursing women should consume 30 micrograms per day, and lactating women should consume 45 micrograms.
According to the NIH, chromium supplementation has not been well researched and the bio-availability of chromium supplementation is not well understood. An upper limit for chromium supplementation has not been established, and concentrations in supplements vary from 50 to 200 micrograms.
Some chromium supplements claim to aid in body recomposition. However, the studies have shown inconclusive results in decreasing body fat and increasing lean muscle mass.