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Multiple Choice

A biologically active form of ____ found in brewer's yeast, known as glucose tolerance factor (GTF).

Glucose tolerance factor is a chromium-containing compound that enhances insulin action and glucose uptake. The biologically active form identified in brewer's yeast is chromium, a trace element essential for proper carbohydrate metabolism. Chromium is thought to aid insulin signaling, helping to optimize the cellular response to insulin and improve glucose tolerance. The other minerals listed have important roles in biology, but they are not the chromium-based factor linked to insulin action and glucose tolerance.

Glucose tolerance factor is a chromium-containing compound that enhances insulin action and glucose uptake. The biologically active form identified in brewer's yeast is chromium, a trace element essential for proper carbohydrate metabolism. Chromium is thought to aid insulin signaling, helping to optimize the cellular response to insulin and improve glucose tolerance. The other minerals listed have important roles in biology, but they are not the chromium-based factor linked to insulin action and glucose tolerance.