A Riboflavin (also called vitamin B2) is important for the growth, development, and function of the cells in your body. It also helps turn the food you eat into the energy you need.

A The signs and symptoms of riboflavin deficiency (also known as ariboflavinosis) include skin disorders, hyperemia (excess blood) and edema of the mouth and throat, angular stomatitis (lesions at the corners of the mouth), cheilosis (swollen, cracked lips), hair loss, reproductive problems, sore throat, itchy and red

A Foods high in riboflavin include beef, tofu, milk, fish, mushrooms, pork, spinach, almonds, avocados, and eggs. The current daily value (DV) for riboflavin (Vitamin B2) is 1.3mg.

A When taken by mouth: Riboflavin is likely safe for most people in doses of up to 400 mg daily.

A The primary risk of excess B-2 is damage to the liver. However, excess riboflavin, or riboflavin toxicity, is rare. You'd have to eat almost impossibly large quantities of food to overdose on riboflavin naturally.

A Vitamin B. Several B vitamins aid in the sleep process. Vitamins B1 and B2 not only turn food into energy, but also produce melatonin, the sleep hormone. The production of melatonin shows that these vitamins encourage sleep

A Because they're water-soluble, you can take them with or without food and at any time of the day. That said, it's often recommended to take B vitamins in the morning due to their important role in nutrient metabolism and energy production.

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