Vitamin D plays an essential role in our health including the development and preservation of healthy bones, boosting our immune system, our muscle function, energy levels and helping to reduce inflammation.
Cortisol is a steroid hormone which is essential for survival. It is responsible for the breakdown of fat and protein and stimulates the production of glucose in the liver.
Vitamin D has been in the news a lot over the years as scientists discover more and more evidence about what makes this vitamin so vital to our overall health.
Are you experiencing symptoms you think may be caused by the menopause? Our experts explain what may be happening to your body during the menopause.