Spinach is a powerhouse of calcium, magnesium, and vitamin K, all of which are essential for strong bones. Calcium is the primary mineral found in bones, magnesium helps in the conversion of vitamin D to its active form which is crucial for calcium absorption, and vitamin K supports bone mineralization.

Nuts like almonds and walnuts are beneficial for bone health as well. They provide healthy fats, protein, calcium, and magnesium, which contribute to stronger bone structure and help prevent bone density loss. Almonds are particularly noted for their high calcium content, which is critical for maintaining bone health.

Pumpkin seeds are another excellent source of magnesium; this mineral is essential for bone formation as it helps with the assimilation of calcium into the bone. Moreover, they also contain zinc, another important mineral that contributes to bone density.

Flaxseeds offer a good dose of omega-3 fatty acids, which are known to decrease bone breakdown and increase the rate at which bone is formed, thus helping to maintain a healthy bone density.