I use a tablespoon of baking soda in a glass of water for indigestion.
A teaspoon of baking soda in water gives me 45 seconds of relief. I am on Prilosec and attempts to taper off it and introduce famotidine as a replacement ended with me in the hospital overnight.
I did a tablespoon of baking soda in a glass of water once. Longest, most voluminous belch of my life.