Italy: A recent meta-analysis published in the Head & Neck journal revealed that preoperative vitamin D supplementation ...

Hyperparathyroidism is characterized by ... You may need to take a vitamin D supplement if you’re low in vitamin D. Your healthcare professional can advise you on how much you may need to ...

Medically reviewed by Aviv Joshua, MS, RDN Vitamin D is a nutrient necessary for immune and bone health, as well as overall ...

Low concentrations of 25-OH vitamin D causes secondary hyperparathyroidism (high levels of parathyroid hormone or PTH). This means a person loses more calcium from his/her bones when PTH is ...

How much vitamin D is enough? Over the past decade ... When serum calcium falls, parathyroid hormone (PTH) secretion increases. PTH exerts direct effects on the kidney to retain calcium and ...

A new study has linked adequate vitamin D levels to a lower risk of colorectal cancer. Here's what you need to know about ...

But here’s the twist—many Americans today are walking around with silent, everyday deficiencies in two absolutely crucial nutrients: vitamin D and magnesium. And what’s wilder? Most of us ...

Athletes know the essentials: protein builds muscle, sleep recovers it, and training with weights is the driver. We need to add this as new research suggests on ...

Vitamin D is a fat-soluble vitamin essential for bone growth and proper functioning of the nerves, muscles, and immune system. It's generally safe to take vitamin C and D together. Taking both ...

Discover why adults over 65 require additional vitamin D, from declining skin production to medication interactions, and ...

A new study has linked adequate vitamin D levels to a lower risk of colorectal cancer. Here's what you need to know about this vitamin. More recent studies are supporting the theory that vitamin D ...