Vitamin C supports the function of cells that help the body fight infection. ... be sure to choose high quality brands that contain appropriate doses for kids and stick to the recommended dosage.

Megavitamins — large doses of vitamins — aren't good for children. Vitamins A, D, E, and K are fat -soluble and can be toxic if kids get too much of them. The same goes for iron.

Vitamin C is essential for healthy skin, bones, teeth and immune system. Dietitians reveals the best time to take vitamin C ...

Medically reviewed by Jonathan Purtell, RDN The best time to take vitamin C to boost your immune system is with meals ...