my baby is 14months old, she is 9.8kg weight, but she is not standing and walking, I miss to give vitamin D drops, what can I do?

A. Ma’am vitamin D is an extremely important supplement you should not have missed on it but if you have you can start with it now now I want to know whether your child is standing with support or that also your child is not doing because this is a child should learn to walk with support if your child is not working or not reached the milestone as per the age then there is definitely a thing that you need to consult your doctor once