Boiled and Drained Chopped Or Leaf Frozen Spinach has 1.5 times more energy per unit of mass than Canned Spinach, Solids with Salt, which is low in comparison to other foods. Canned Spinach having very low energy density.
Nutrients data from USDA National Nutrient Database for Standard Reference by US Department of Agriculture, Agricultural Research Service, Nutrient Data Laboratory.
Recommended Dietary Allowances (RDA) compiled from U.S. Department of Health & Human Services , National Institutes of Health.