What can I do to prevent heartburn?

I've been getting heartburn quite frequently and I don't know what to do. What are some ways to prevent heartburn?

Avoid obesity, don't overeat, avoid chocolate, caffeine, peppermint, don't lie down after eating, use anti acid medicines like pepcid or prilosec.

Start following an anti-reflux diet and lifestyle changes to begin with.

There are 2 homeopathic products that may be helpful: Ginger and Marshmallow Root. Both liquids.