One common, and harmless, cause of elevated bilirubin is Gilbert's syndrome, a deficiency in an enzyme that helps break down bilirubin. Your doctor may order further tests to investigate your condition. Bilirubin test results also may be used to monitor the progression of certain conditions such as jaundice.
Vitamin A sources:  Vitamin A is found in dark green and yellow vegetables and yellow fruits, such as broccoli spinach, turnip greens, carrots, squash, sweet potatoes, pumpkin, cantaloupe, and apricots, and in animal sources such as liver, milk, butter, cheese, and whole eggs.Function and food sources of Vitamin A.itamin A sources:  Vitamin A is found in dark green and yellow vegetables and yellow fruits, such as broccoli spinach, turnip greens, carrots, squash, sweet potatoes, pumpkin, cantaloupe, and apricots, and in animal sources such as liver, milk, butter, cheese, and whole eggs. List All Nutrient Information.
Vitamin A. Food sources include: Cod-liver oil, sweet potatoes, carrots, leafy vegetables, and fortified foods such as breakfast cereals. What it does: Promotes good eyesight and normal functioning of the immune system.Vitamin B1 (Thiamine). Food sources include: Enriched, fortified, or whole-grain products such as bread, pasta, and cereals. What it does: Helps the body process carbohydrates and some protein.t also helps your body make red blood cells. Vitamin B3 (Niacin). Food sources include: Poultry, fish, meat, whole grains, and fortified cereals. What it does: Helps with digestion and changing food into energy; helps make cholesterol.