Insulin is a naturally occurring hormone made by the pancreas that helps our body use or store the glucose (sugar) it gets from food. For people with diabetes, either the pancreas does not make enough insulin to meet the body's requirements, or the body cannot properly use the insulin that is made.
The yellow color in normal urine comes from a substance known as urochrome. Urochrome is also known as urobilin and is the result of hemoglobin breakdown. Hemoglobin is the protein in red blood cells that enables oxygen to be taken around the body.
Full Answer. B2 riboflavin in vitamins can cause a bright yellow color in urine because the body flushes excess B2 through the urine. Urine color also varies depending on what the individual eats and drinks. Beets can turn urine pink or red, and carrots can lend an orange hue.