Also known as: Cr, Trivalent chromium
Chromium is an essential trace mineral that enhances insulin signaling and plays a role in carbohydrate, fat, and protein metabolism. It is most commonly supplemented to support healthy blood sugar levels.
Chromium in its trivalent form (Cr³⁺) is considered an essential trace mineral, though its precise biochemical mechanism remains under active investigation. It is believed to potentiate insulin action by enhancing insulin receptor binding and downstream signaling through a low-molecular-weight chromium-binding substance called chromodulin. Chromium deficiency, while rare in developed countries, can manifest as impaired glucose tolerance and elevated blood lipids. Most clinical interest centers on chromium picolinate for its potential to improve glycemic control in individuals with type 2 diabetes or insulin resistance. The adequate intake for adults is 25–35 µg/day, and supplemental doses in studies typically range from 200–1.000 µg/day. While generally safe, the evidence for chromium's benefits in non-deficient populations remains mixed.
Some meta-analyses suggest chromium picolinate supplementation modestly reduces fasting blood glucose and HbA1c in individuals with type 2 diabetes, though results vary between studies.
Chromium picolinate at 600–1.000 µg/day has been shown in some trials to reduce food cravings and appetite, potentially by modulating serotonin and insulin pathways.
With meals
Most studies showing benefits used 200–500 µg of chromium picolinate. Higher doses should be used under medical supervision.
Blood sugar management and most studied form
Niacin-bound alternative form
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