Choose a pair of nutrients (one mineral and one vitamin) that works together in the body and then answer the following questions:

What is a common deficiency disorder of these nutrients? What diet and/or lifestyle factors contribute to risk of deficiency?
What diet recommendations could you make to a patient with this deficiency disorder?

For the vitamin you chose, suppose that it is likely to reach toxic levels in the body from excessive supplementation and then answer the following questions:

What are the risks of toxicity? What is the solubility of your vitamin choice?

How can the level of the vitamin that you chose be measured in the body?