Refined sugar and white flour, on the other hand, are not only low in chromium, but they trigger further chromium loss. The effectiveness of chromium may depend on the dose. Chromium is available in a number of forms. Chromium citrate and chromium picolinate are well absorbed, while chromium chloride is not. Safety Issues Chromium appears to be safe when taken at a dosage of 50 to 200 mcg daily.
Side effects appear to be rare.
However, chromium is a heavy metal and might conceivably build up and cause problems if taken to excess. It would be advisable to seek medical supervision if you want to take more than 200 mcg daily. Also, keep in mind that if you have diabetes and chromium is effective, you may need to cut down your dosage of any medication you take for diabetes. Medical supervision is advised. There has been one report of a severe skin reaction caused by chromium picolinate.