By Deborah Mitchell for EmaxHealth.com
While some clinical studies have reported no benefit for people with type 2 diabetes when they took chromium supplements, others have claimed chromium supplements reduced blood sugar levels and the amount of insulin people needed to take. Now a new form of chromium supplement sheds a different light on the subject.
Investigators at Louisiana State University Health Sciences Center tested a new chromium supplement that contains chromium (400 micrograms elemental chromium), niacin, and L-cysteine (chromium dinicocysteinate, or CDNC) in people with type 2 diabetes. Previously, animal studies have shown that a combination of chromium and cysteine supplementation can improve glucose metabolism.
One hundred patients participated in the study and 74 completed it. The patients were divided into three groups: 25 took placebo, 25 took chromium picolinate (400 micrograms elemental chromium), and 24 took chromium dinicocysteinate for three months. All the participants underwent testing for various diabetes indicators, such as vascular inflammation, insulin resistance, and oxidative stress.
At the end of three months, the patients in the CDNC group had about a 30% improvement in both fasting insulin levels and insulin resistance, as well as a significant decline in two other diabetes indicators (the inflammatory cytokine TNF-alpha and the oxidative stress marker protein carbonyl) compared with baseline.
However, none of the patients in the chromium picolinate group showed statistically significant changes in the same factors. In addition, no study participants experienced significant changes in hemoglobin A1c or glucose levels.
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