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Effects of Acute Chromium Supplementation on Postprandial Metabolism in Healthy Young Men

INW Nutrition Biology, Department of Agriculture and Food Sciences, Swiss Federal Institute of Technology Zurich, Zurich, SWITZERLAND

View larger version (21K): [in a new window]   Fig. 1. Capillary and venous glucose concentrations after test meals providing 75 g available carbohydrates. Test meals were eaten within 10 min and consisted of white bread with placebo (WB, •), white bread with 400 µg chromium (Cr400, ) and white bread with 800 µg chromium (Cr800, ). Values are means for thirteen subjects with standard errors of the means shown by vertical bars.

View larger version (17K): [in a new window]   Fig. 2. Significant positive correlations were shown between the extent of the capillary glycemic response after the WB trial and the reduction in glycemia during the Cr400 and the Cr800 trial. The dots above zero (y-axis) represent the subjects having shown a decrease in glycemia after chromium supplementation (i.e. the responders), while the dots below zero symbolize the non-responders. AUC = area under the curve.

View larger version (15K): [in a new window]   Fig. 3. Plasma insulin concentrations after test meals providing 75 g available carbohydrates. Test meals were eaten within 10 min and consisted of white bread with placebo (WB, •), white bread with 400 µg chromium (Cr400, ) and white bread with 800 µg chromium (Cr800, ). Values are means for thirteen subjects with standard errors of the means shown by vertical bars.