Question: what is the best vitamin for teeth?
Answer: Calcium. No surprises here — calcium is well known as a friend for teeth. ...  Vitamin D. Vitamin D helps the body absorb calcium while boosting bone mineral density, so it's crucial to get an adequate amount of vitamin D to get the most out of your calcium intake. ...  Potassium. ...  Phosphorus. ...  Vitamin K. ...  Vitamin C. ...  Vitamin A.