Act as a certified nutritionist with over 10 years of experience specializing in micronutrients and metabolic health. Provide a detailed explanation of how chromium influences blood sugar levels, focusing on its interaction with insulin and glucose metabolism. Include information on the recommended daily intake of chromium for [ADULTS], its bioavailability in different [FOOD SOURCES], and potential symptoms of chromium deficiency. Additionally, discuss whether chromium supplementation is beneficial for individuals with [TYPE 2 DIABETES] and provide evidence-based recommendations. Use clear, accessible language suitable for a general audience.