Enfamil Tri-Vi-Sol is a Multi-Vitamin supplement for toddlers providing the expert recommended amounts of Vitamins A, D, C, Thiamine (B1), Riboflavin (B2), Niacinamide (B3) to support their developing immune system. Ask your doctor which Enfamil vitamin supplement is right for your baby.Provide the expert recommended 400 IU daily dose of Vitamin D • Recommended for infants and toddlers under the age of 3 • Kosher • Easy to use syringe included for accurate dosage every time.