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.

The best vitamins for kids support healthy growth alongside a varied diet. Learn about the best vitamins for kids here. Health Conditions ... Dose: 1/2 teaspoon (2.5 mL) per day; ...

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 ...

Bahee Van De Bor tells us that, “other than vitamin D, most children who eat a varied omnivorous diet should be able to get all the nutrients they need from food.