A nurse is reinforcing dietary teaching for a client who is to start taking a monoamine oxidase inhibitor (MAOI). Which of the following food choices should the nurse identify as having the highest tyramine content?

A. Tyramine is found in various foods and its levels increase when food is aged or fermented. Avocados, especially if they are overripe, can contain higher levels of tyramine compared to the other options listed. It is important for individuals taking MAOIs to manage their intake of tyramine-rich foods to avoid adverse reactions. B. 2% milk does not contain significant levels of tyramine compared to aged or fermented foods like avocadoes. C. Sliced apples do not contain significant levels of tyramine compared to aged or fermented foods like avocadoes. D. Celery sticks do not contain significant levels of tyramine compared to aged or fermented foods like avocadoes.