Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients are needed to keep bones, teeth and muscles healthy. A lack of vitamin D can lead to bone deformities such as rickets in children, and bone pain caused by a condition called osteomalacia in adults
I will suggest u to eat less and healthy food then if u csnt diet and about exercise if u don't have time try to do it at home exercise like push ups sit ups.
