Which nutrient is most likely to reach toxic levels when consumed in large amounts from a supplement?

Severe potassium deficiency usually results from:

A college student is underweight and would like to gain weight. She is surprised when the dietitian tells her to: 

When are ketones produced? 

Which of the following foods is a POOR source of vitamin B12?

Giving potassium by injection can:

Which of the following provides the most vitamin C per serving?

Which of the following nutrients is an antioxidant?

Which of the following is both a safe and effective weight loss strategy? 

Most vitamin toxicities occur from: