Nutrition 4 Foods You Should Not Eat On An Empty Stomach – Healthy Breakfast Prev Article Next Article 4. Citrus fruits A big glass of orange juice for breakfast? Sounds healthy, but it is not on an empty stomach: the acid in citrus fruits can lead to heartburn. An exception is lemon water because the juice in it is strongly diluted with water. PrevNext Prev Article Next Article Related Posts Why Is Folate Important During Pregnancy? Food sources? How Much You Need? Intermittent Fasting & Type 1 Diabetes: the Suitable Types And Foods How Many Calories Should I Eat During Intermittent Fasting