Parmesan is a hard cheese that is rich in calcium, offering more than three times the calcium content of milk per ounce.
Tofu made with calcium sulfate is extremely high in calcium, making it an excellent option for those seeking plant-based sources.
Chia seeds are tiny powerhouses of calcium, offering significantly more calcium per ounce than milk.
Cooked collard greens are an excellent source of calcium, providing more calcium per serving than a cup of milk.
Many plant-based milks are fortified with calcium, often providing equal or more calcium per serving than cow's milk.
Almonds are a convenient snack that also provides a significant amount of calcium per cup.