In a medium bowl, stir together the tuna, celery, and red pepper.
Add salt, mayo, and vinegar to the mixture and continue stirring until well combined.
Store in the fridge and serve cold.
Serving Size 1/4 cup
Servings 4
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.