Our kids face challenges to their immune and digestive systems on a regular basis. This unique formula was created by Dr. Perlmutter offering clinically studied respiratory support for kids.† Containing 10 billion CFU of clinically studied probiotics and vitamin D3, Dr. Formulated Kids Probiotic comes in a convenient unflavored powder stick that’s easy to mix in milk, juice or foods. Portable, take anywhere, and no refrigeration required.