Fast Facts about Vitamin D

If, like us, you live in country where sun doesn’t always shine, you may be Vitamin D deficient. Here are a few fast facts about Vitamin D to help you find the answers to the how, the why, and the ‘what should I do?’ Vitamin D3 Infogram Other articles about Vitamin D

The real impact of Vitamin D Deficiency

Vitamin D at sunset on the coast of ireland

It’s that time of the year when we can all feel the seasons are a-changin’. As we slip into September, we know at a latitude of over 35° North, the amount of solar UV light needed to produce Vitamin D declines dramatically. As a result, between October and April each year, we get a minimal […]

Viruses, Vitamin D levels and Multiple Sclerosis

Hands hold MRI scan of head, neck and brain of patient, holding in hands.

Multiple Sclerosis (MS) is one of the most common neurological diseases, is progressive and affects 2.8 million people worldwide. In addition, MS is the most common disabling neurological (affecting the nerves) disease in young adults (20-40 years old). Shockingly more than 9,000 people live with Multiple Sclerosis in Ireland, and it affects women twice as […]

Why is Vitamin D so important?

Early science understood the calcium homeostasis role of Vitamin D and bone health. However, we now know that vitamin D plays a major biological role in human physiology, cell differentiation, proliferation (1) and immunity. In our new understanding, we realise it is no longer recommended to have merely sufficient levels of Vitamin D to avoid rickets. […]

How is Vitamin D made?

In the presence of UVB rays from the sun, a precursor, pre-vitamin D is made in the epidermis from a derivative of cholesterol in the skin. This is then made into D3 in the lower layers of the skin. (cholecalciferol) The liver converts this to calcidiol (25-hydroxy vitamin D), and another conversion to calcitriol 1,25 […]

What serum level of Vitamin D should I aim for?

Looking back to the early 20th century, it became known that vitamin D deficiency, brought about by lack of sunlight, caused rickets in young children. Rickets manifests as weaker bones, malformations and stunted growth, and is very painful. Supplementing with cod liver oil, high in Vitamin D, was therapeutic in correcting this condition. Surprisingly rickets […]