to Reduce Your Risk of Early Death - Vitamin D3
By Keith D. Bishop, Clinical Nutritionist, B.Sc. Pharmacy - September 28, 2009
Low levels of vitamin D3 may increase your risk of dying from all causes by 150 percent.
Senior women with blood levels of vitamin D3 lower than 15.3
ng/ml were more likely to die from heart disease and cancer, than women with vitamin D3 levels above 27
The researches stated that mechanisms could explain a causal relationship between vitamin D3 deficiency and
mortality including control of inflammatory compounds, regulating immune health, blood pressure and reduced
Researchers looked at vitamin D levels, 25-hydroxyvitamin D3, in 714 women aged
between 70 and 79 years. During 6 years of follow-up, 100 of the women died. The main cause of death included
cardiovascular disease (36 per cent), respiratory disease (18 per cent), cancer (15 per cent), and other causes (27
Increasing levels of vitamin D3 were associated with increasing survival rates. Women with the lowest D3 levels had
“significantly worse survival” than women with the highest average levels of D3.
About Vitamin D3
Vitamin D3 is available in two inactive precursors - D3 (cholecalciferol), and D2 (erocalciferol). D3 is more
active in the body, is produced in the skin on exposure to sunshine UVB radiation and is available in dietary
supplements. D2 is not as active in the body and is often added to dairy products.
Our bodies do make vitamin D3 on exposure to sunshine. In some northern countries low sunshine levels during many
months prevents our production of vitamin D3 in the skin.
Vitamin D3 deficiency may cause or worsen osteopenia, osteoporosis, muscle weakness, pain, fractures, cancers,
autoimmune diseases, infectious diseases, diabetes, hypertension and cardiovascular diseases.
How to Find Out if You Need Vitamin D3
An inexpensive blood test is the only way to know if you are getting enough. Ask our office or your doctor for your
25-hydroxyvitamin D3 blood test.
Reference Source: Nutrition Research, Volume 29, 525-530, “Low serum 25-hydroxyvitamin D concentrations are
associated with greater all-cause mortality in older community-dwelling women”
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