You could just be short on sleep, or you could have a vitamin deficiency (or something else entirely!). Vitamin D is talked about a lot because it affects so many parts of the body. “Vitamin D plays a ...

Breastfed infants and children with certain medical conditions are also susceptible to vitamin D deficiency. If a healthcare professional has recommended a vitamin D supplement for calcium ...

However, while vitamin D helps our bodies absorb calcium to build and maintain strong bones throughout life, some people experience a deficiency or simply want to supplement their intake with ...