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GTF Chromium is a safe and absorbable form of the essential trace mineral chromium. Minerals can't be absorbed in their pure state, but have to be bound or chelated to something else. In GTF Chromium, chromium is bound to the B-vitamin niacin. Chromium is needed for the optimal function of the hormone insulin, which regulates energy use, storage and metabolism. Chromium deficiency hampers insulin function and can lead to weight-gain and energy loss.1 Since chromium is only poorly supplied by diet, most people need supplemental chromium to obtain ideal amounts.
GTF chromium is named for the way it interacts with insulin. Once absorbed, Chromium becomes incorporated into a compound called GTF (Glucose Tolerance Factor); which improves the body's sensitivity to insulin2,3 and thus makes metabolism more efficient. This is due to the central role insulin plays in regulating energy and metabolism. Insulin signals cells to absorb nutrients like sugar and amino acids when they're present in the bloodstream. Uptake of these nutrients allows them be used for growth, repair and energy. When insulin function is poor from a lack of chromium or any other reason, uptake is impaired. When nutrients do not get taken up by cells completely, they must then be stored as additional body fat. GTF chromium may also improve blood lipid profiles such as those for triglycerides4 and LDL cholesterol.
Dose range for men is 400-600 mcg per day, for women 200-400 mcg per day. Like other minerals, chromium should be taken in divided doses with solid food.
Diabetics and hypoglycemics should use chromium under the supervision of their doctor.
1.Horm Metab Res. 2007 Oct;39(10):743-51.
2. Int J Sport Nutr. 1992 Jun;2(2):111-22.
3. Proc Nutr Soc. 2008 Feb;67(1):48-53.
4. Biol Trace Elem Res. 1996 Dec;55(3):297-305.