6 common risk factors for vitamin D deficiency

Updated: Nov 24, 2020

Unlike other vitamins, vitamin D functions like a hormone, and every single cell in your body has a receptor for it.


Your body makes it from cholesterol when your skin is exposed to sunlight.


It's also found in certain foods such as fatty fish and fortified dairy products, though it's very difficult to get enough from diet alone.


Here are 6 common risk factors for vitamin D deficiency:


Having dark skin


Being elderly


Being overweight or obese


Not eating much fish or dairy


Living far from the equator where there is little sun year-round


Staying indoors.


Although sunlight exposure is one of the main ways to produce Vitamin D within the body, here are some Vitamin D rich foods to include in your diet, especially during the winter months when sunlight hours are reduced.


Wild caught salmon 100g = 988 IU


Farmed Salmon 100g = 250 IU


Herring 100g = 216 IU


Canned Sardines 100g = 112 IU


1 Egg yolks = 37 IU


Mushrooms 100g = wild mushrooms can have 2300 IU


Supermarket mushrooms = 130 - 450 IU


Fortified foods - soy milk, orange juice, cereal and oatmeal.


Disclaimer: Information in our blogs are as accurate and comprehensive as possible. This is general advice and should not be used as a substitute for the individual advice readers might receive from consulting their own doctor. For other medical professionals reading, it is advised to use your own clinical judgement when interpreting the information and deciding how to best apply this to the treatment of their patients. Please see our terms and conditions page for further information on this.


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