Bluebonnet Nutrition Chromium Picolinate Chelate 200 mcg. 100 Vcaps Bluebonnetâ??s Chromium Picolinate 200 mcg. Vcaps provide pure yeast-free chromium in a chelate of picolinic acid. Bluebonnet Nutritions Chromium Picolinate Chelate 200 mcg is available in easy-to-swallow vegetable capsules for maximum assimilation and absorption. Chromium (micromineral) is an essential nutrient required for normal sugar and fat metabolism. It works primarily by augmenting the action of insulin