Chromium is an essential trace mineral that is best known for its role as an insulin co-factor. Chromium is therefore critical for the maintenance of healthy glucose and carbohydrate metabolism; however, it is also important for the utilization of fat and protein. Scientific studies also indicate that it may play a role in cardiovascular health.As part of a healthy diet and exercise program, chromium picolinate may help to maintain healthy blood sugar levels already within the normal range and may also help to support a healthy body composition.