2wks daily stomach burn sensation in random areas of stomach & burping. no bloody stool. month prior started daily vegan protein shakes. any advice?

Gastritis maybe?: Any other changes on your diet? You could be sensitive to some ingredients in the shake. You can try take it after some meal or avoid it for a few days and see if the symptoms improve.

All natural fit bil: When you’re on a protein shake diet, avoid alcohol, greasy foods, cooking oils, processed grains, artificial sugar.Drinking the stuff causes stomach pain and nausea—and other unexpected side effects — in countless people. “Wait thirty to sixty minutes after your workout before consuming a protein shake,otherwise nusea & pain. Also want to avoid sugar alcohols ike erythritol, marital, sorbitol .