Diet can be a powerful tool in treating gastritus, but you would need to see a naturopath or a nutritionist with a specialty or knowledge of gastritus to help you craft a diet that works for you and addresses the severity of your gastritis. Here is very simple remedy for gastritis
Drinking ginger tea is also an effective remedy for gas relief. Ginger acts as a natural carminative (agents that relieve flatulence). Another simple remedy suggested by Ayurveda expert Dr. Vasant Lad to reduce excess gas is to stir 1 teaspoon of lime juice and half teaspoon of baking soda with a cup of water.