Firm Tofu (with Calcium Sulfate) – Contains between 506 mg to 861 mg of calcium per cup, depending on preparation.

Canned Salmon with Bone – Approximately 302 mg to 967 mg of calcium per 3-ounce serving, thanks to the edible bones.

Chia Seed – About 631 mg of calcium per 100 grams.

Sesame Seed – Roughly 351 mg of calcium in 4 tablespoons.

Almond – Approximately 367 mg of calcium per cup.

Fortified Plant Milks (e.g., Almond, Soy, Oat) – Fortified versions can provide up to 450 mg of calcium per cup