he vitamin the body lacks when legs and bones are painful

Other deficiencies that lessen your bones and muscles

If your pain isn’t solely from a lack of vitamin D, other nutrients may be involved.

Calcium: the rock of your bones
Without calcium, your bones become fragile and more prone to fractures. It is found in:

Dairy products (milk, cheese, yogurt)
Almonds and sardines
Leafy green vegetables like spinach and kale
Magnesium: the muscles’ ally