Vitamin D has a beneficial effect on bone health throughout life, through several key functions:. The type of vitamin D made in the skin is referred to as vitamin D3 cholecalciferol , whereas the dietary form can be vitamin D3 or a closely related molecule of plant origin known as vitamin D2 ergocalciferol. Very few foods are naturally rich in vitamin D. Food sources include oily fish such as salmon, sardines and mackerel, eggs, liver, and in some countries fortified foods such as margarine, dairy foods and cereals.
Very high dosages of vitamin D may delay frailty in old age
Vitamin D: the Healthy Aging Dose (Plus Answers to 7 FAQs)
Confused by all the back and forth in the media about vitamin D? Among other things, this article should have had a different headline. The article does not make the case that too many people are taking vitamin D supplements. In fact, vitamin D supplementation remains recommended by experts. Now, I do agree with the article in that many people seem to have unrealistic expectations of what vitamin D can do for them. I also know that some people are certainly taking more vitamin D than is likely to benefit their health. Sometimes this is because they think it will improve their health.
From Department of Health. The Department of Health is today advising that adults aged 65 and older take a vitamin D supplement to ensure they get the essential vitamin D needed for bone and muscle health. The FSAI report found that older people in Ireland do not get sufficient vitamin D from their diet or the effect of sunlight on their skin.
The number of individuals aged 65 and older is expected to more than double from to The role of vitamin D in the prevention and treatment of diseases associated with aging has not been well studied. Traditionally, the role of vitamin D focused on the maintenance of skeletal health in the older adult. With the discovery of vitamin D receptors in the nervous, cardiovascular and endocrine systems, the role of vitamin D and its impact on these systems has become an important area of research. Older adults are at risk for lower levels of vitamin D as a result of decreased cutaneous synthesis and dietary intake of vitamin D.