O'Neill Ryan M DDS in Nashville, Tennessee

This article separates evidence from hype on vitamins and minerals, explaining when supplements can help and when a balanced diet is usually enough. It highlights proven uses (for example, folic acid before and during pregnancy, vitamin D or B12 when deficient, iron for anemia) and flags common pitfalls like megadoses, side effects, and drug interactions. Readers get practical guidance on choosing quality products, understanding labels and doses, and recognizing that multivitamins aren’t a shortcut to disease prevention. With clear, clinician-informed tips, it helps patients and caregivers make safe, personalized decisions and know when to discuss supplements with a healthcare professional.