Lowest calorie foods in vegetables and vegetable products
The least calorie-dense foods in the database, per 100 g. Topped by butterbur, canned at 3.0 kcal.
Lowest calorie foods in vegetables and vegetable products, top 50
Ranking by weight favours dry and concentrated foods — butterbur, canned tops this list partly because it contains little water.
SOURCE·USDA SR Legacy·REVIEWED JUL 2026