Riboflavin appears to be harmless no matter how high the dose. However, too much riboflavin may darken the color of your urine. 1.2 milligrams Women require an additional 0.3 milligrams of riboflavin each day during pregnancy. Breastfeeding mothers need an extra 0.5 milligrams of riboflavin per day. The body is not able to store riboflavin, so this vitamin must constantly be replenished to prevent a deficiency.
Milk is probably the single best source of riboflavin.
Other good sources of riboflavin include cheese, yogurt, chicken, organ meats, leafy green vegetables, cereal, bread, wheat germ, brewer's yeast, and almonds. All rights reserved.