The experts are divided on whether or not toddlers need a daily multivitamin. To help you make a decision, check out the multiple reasons to give — or not to give — your child a multi.

Whether your toddler has boycotted all green food, or she’ll eat only PB&J sandwiches, you know that getting kids to eat a well-rounded diet isn’t easy. And even if your tot is relatively willing to eat fruits and vegetables and other healthy foods, you may still wonder if she’s getting all the nutrien...