13 Most Common Food Intolerances – Do You Have One of These?

Caffeine

While most people can consume up to 400 mg of caffeine each day with no side effects, there are those who are sensitive to the stimulant and experience reactions after consuming even small amounts.

In women and men who are sensitive to the caffeine found in coffee, tea, chocolate, etc., the symptoms are typically anxiety, nervousness, a rapid heartbeat, restlessness, and insomnia.