You can take vitamin b2 for vaginal dryness. Vaginal dryness is often caused by gynecological inflammation or psychological reasons, as well as b2 deficiency and endocrine disorders. Taking vitamin b2 supplements can balance the nutrition in the body and relieve vaginal dryness. It is suggested to eat more foods rich in vitamin b2, such as milk and its flowers, lamb products, animal liver and kidney, egg yolk, eel, carrots, mushrooms and so on.