Who should take vitamins and supplements? 

Do you take any vitamins or dietary supplements?  Do you think vitamins and minerals can make up for a poor diet?  Who should take vitamins and supplements?  How are vitamins and supplements regulated?  What are some safety considerations to consider when taking supplements?

Here is a resource from the CDC that talks about vitamins and minerals that you may find helpful, http://www.cdc.gov/immpact/micronutrients/