Here’s what you need to know. Best multivitamin: SmartyPants Teen Girl Multivitamin Gummies $17.00, Amazon Contains: 25 ...

Iron is a necessary nutrient needed for physical growth and advancement. It is crucial in forming hemoglobin, a protein in red blood cells that transports oxygen throughout the body. An ...

Beware of unproven claims about the benefits of taking more than recommended amounts of any vitamin or mineral. Healthy teens usually don't need supplements if they eat a well-rounded diet. Check with ...

But this doesn't always happen and some supplements may contain drugs or additives not listed on the label. If there is a problem with a supplement, the FDA will investigate it. Creatine (pronounced: ...