Because a majority of tomatoes tend to be high in acid, sufferers of Candida tend to avoid them. Those who are in the early phase of this diet tend to avoid tomatoes altogether because of their high acidity content.
Once the person who is on this sort of diet manages to reduce the amount of yeast growth, they will be able to start introducing them into their diet again. Even though you may enjoy the taste of tomatoes and wish to eat them for their nutritional benefits as well, it will be important to abstain from them as long as the yeast overgrowth is at a certain level.