Health effects of vitamin and mineral supplements
Growing numbers of healthy people are taking dietary supplements but there is little evidence that they protect against non-communicable diseases, say Fang Fang Zhang and colleagues Vitamin and mineral supplements are the most commonly used dietary supplements by populations worldwide.1234 The amount of micronutrients they provide ranges from less than recommended intakes to much more, making them important contributors to total intakes. While supplements can be used to correct micronutrient deficiency or maintain an adequate intake, over-the-counter supplements are most often taken by people...
Source: bmj.com