Remember, if you take care of the Vitamin D For Kids, they will never face any bone-related issues in the future. Nonetheless, if a person doesn’t get a sufficient amount of Vitamin D, the deficiency may cause various issues. General signs of lack of Vitamin D in children are muscle pain, softening of bone, joint cracking, and more. Keep in mind that the softening of bone in children may lead to bending of bones and even cause bow legs. So, you should never overlook it as a parent.