Spinach contains 99 milligrams of calcium per 100 grams. Grams is a measure of weight. To put 100 grams in perspective, consider alternative measures for this food:
- 1 cup equals 30 grams.
- 1 bunch equals 340 grams.
To make our top ten calcium list, we included only whole food items. We excluded dried vegetables from the list. The food tested for the particular graph below can be described more specifically as:
Vegetables in general are not the best source of calcium, but some garden greens do contain a solid amount. Lambs quarters, kale, spinach, and turnip greens are good sources of calcium. Yet a disadvantage is greens contain a mineral inhibitor known as oxalic acid which will block your absorption of a good part of this calcium. If you rely on salad greens for calcium, read more about removing oxalic acid from your vegetables.