Highest potassium foods
Ranked by potassium per 100 g. Topped by leavening agents, cream of tartar at 16,500.0 mg.
Highest potassium foods, top 50
Ranking by weight favours dry and concentrated foods — leavening agents, cream of tartar tops this list partly because it contains little water.
SOURCE·USDA SR Legacy·REVIEWED JUL 2026