Those "one-a-day" pills might not be worth the money. A new study suggests that popular multi-vitamins may not actually improve your health. This is Day to Day from NPR News. I'm Madeleine Brand. A ...

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Some studies have found that multivitamins don’t actually improve health outcomes, but certain groups might benefit.

Most nutritionists will tell you that you don’t “need” to take a vitamin supplement. That is, not if you’re following a balanced diet consistently. Now does that sound like you? Doesn’t sound like us, ...

Multiple vitamins are basically a shotgun approach to nutritional supplementation. We know that a number of vitamins and minerals are useful for basic processes in our body. A multiple vitamin brings ...

Experts discuss the evidence on the benefits of diet supplements. Oct. 12, 2011— -- It's been a tough week for vitamins. Researchers published back-to-back studies this week suggesting that daily ...

BOSTON (CBS) – Sales of vitamins and supplements in the United States topped $27 billion last year. It's a big market with lots of choices. But a Massachusetts Institute of Technology start-up wants ...

Thyroid medication (levothyroxine) is one of the most common prescriptions affected by multivitamins. Calcium and iron can ...

Some health professionals say a multi-vitamin, specifically one with folic acid, can make a big difference in preventing birth defects. State health agencies are providing these pills for free to some ...

Multiple vitamins are basically a shotgun approach to nutritional supplementation. We know that a number of vitamins and minerals are useful for basic processes in our body. A multiple vitamin brings ...

CHICAGO (CBS)-- Vitamins have become a multi-million dollar industry. People are grabbing up bottles that claim to promote health and longevity. But new research shows not all vitamins are good -- and ...