Can You Swallow Alum Powder?
Can You Swallow Alum Powder? Can you swallow alum powder? INGESTION: Oral and gastrointestinal irritation. Local tissue damage. Nausea, vomiting, diarrhea, and gastrointestinal bleeding may follow. Can be fatal if swallowed in sufficient quantities. Can you eat powdered alum? Is alum edible? Yes, alum is edible. Potassium alum is an active ingredient in baking powder.