I'm having acidity problem? Advice what should I add to my daily meal to reduce this problem?

I'm suffering from acidity and constipation, , whichh directly effect on my period cycle. They are never on time.I had taken doctor advice also but that also didn't work? BI would like to know some natural activities to be added to my daily schedule to reduce this problem? Also advice some diet which help me in this problem?
Answer:
Stay hydrated. Drink filtered water or better. Eat non-starchy vegetables. Stay away from red meat/tobacco/alcohol, caffeine, chocolate. Reduce all meat and animal proteins, and bad fats. Eat fiber and beneficial fats. (flax/fish/olive oils, for example)

Those are guesses but they shouldn't hurt. Research acid/alkaline diets. Try to figure out if you're reacting to a particular food.

Perhaps you need to find a specialist doctor and figure out what's wrong.

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