Too much or too little vitamin D, otherwise known as the sunshine vitamin, increases your risk of cardiovascular disease, a new Norwegian study suggests.
Getting the right amount of vitamin D, on the other hand, could substantially reduce your risk of death. Keep reading for the full findings, as published online in The Journal of Clinical Endocrinology & Metabolism.
Just enough vitamin D in the blood reduces cardiovascular disease risk
The study, conducted by researchers at the University of Bergen, looked at 4,114 people with cardiovascular disease to assess the possible relationship between their vitamin D levels and risk of death from cardiovascular disease and all causes.
The participants had an average age of 62 years old at the start of the study. The researchers followed them for a period of 12 years. The team found that the participants who had a normal intake of vitamin D had a 30% lower risk of death from cardiovascular disease after taking cardiovascular risk factors – including age, gender, smoking status, blood pressure
and body mass index – into account.
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The optimal amount of vitamin D varies from person to person…
The team concluded that it’s favourable to have a level of 42 to 100 nmol/l of vitamin D in the blood. However, study leader Professor Jutta Dierkes added that it’s difficult giving a general recommendation on how much vitamin D supplementation people need.
“The optimal amount of vitamin D-supplement varies from one person to another. It depends where you live, and what kind of diet you have,” said Dierkes. For example, the USA recommends 15 mcg per day, while Germany and Norway recommend 20 mcg and 10 mcg per day, respectively.
Dierekes now advises that people with a history of cardiovascular disease get their vitamin D levels checked regularly by their doctor to have their level of supplementation, if needed, assessed.
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