You have acid body. this usually happens when your stomach acidity is low (indigestion). Sounds like your problem is bad. You may talk to Dr. Lam or another doc who specializes in AF.
You may try vitamin C, vit B complex. Zinc, magnesium, and calcium. One flat teaspoon of salt in the morning dissolved in a glass of water. White tongue - some problems in the gut. You may check this by doing indican test. I have posted dr Wilson protocol to rebalance gut flora. Do you have hearburns frequently?