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Vitamin D

Vitamin D deficiency is surprisingly common amongst Australians, and the problem is on the rise.  Despite a mainly sunny climate, we are increasingly reducing our sun exposure by the application of sunscreens, the use of tinted windows or shades, and working indoors to a higher degree than our ancestors.

Vitamin D is incredibly important for a number of reasons, some widely known such as calcium storage and bone health, and others less so such as blood glucose metabolism.  We are all aware that Type 2 diabetes (the lifestyle disease) is also on the increase, and the correlation with less sunshine and more screen time cannot be ignored.  

Recent studies have found a strong correlation between the vitamin D levels of pregnant women, and the grip strength of their children once they reach the age of 4.  Women who had sub-optimal levels produced children with comparatively weaker muscle condition, and vice versa.

Another recent study compared vitamin D levels in healthy children age 4-14, to those in the same range  diagnosed with asthma.   Commonly (79%) of the healthy children had adequate vitamin D in comparison to just 21% of their asthmatic peers.  The same group of children had a higher occurrence of respiratory tract infections when low in vitamin D.

As a naturopath, I may advise my patients to get a vitamin D test to rule out possible deficiency.  This can be done for a small fee through a referral from myself, or may be done with your GP if it is deemed necessary.  It is important to note that a ‘within range’ result from the doctor, if at the low end is still considered low by a natural health practitioner, and supplementation will generally be advised.  Therefore it is important to obtain copies of tests to take along when visiting a naturopath or nutritionist.  Vitamin D should be taken for 3 months and re-tested to check the body is responding.

So who should be testing their vitamin D to ensure it is at its best?  High risk people include:

  • Office workers and those who spend lots of time indoors
  • Pregnant women (should be monitored throughout pregnancy as needs increase)
  • Children suffering with frequent respiratory infections or asthma
  • Those diagnosed with an autoimmune disease
  • Shift worker
  • Ageing people
  • People with a family history of osteoporosis
  • Anyone suffering with blood sugar dysregulation or diabetes
  • Athletes and sports people
  • Those who cover their skin or have darker skin pigmentation

Aside from the sun, Vitamin D is also available from some foods:

  • Butter
  • Eggs
  • Salmon, tuna, mackerel, cod, catfish & herring
  • Fortified foods such as cereals, breads & milks

If you are concerned about your vitamin D levels, chat to your GP or make an appointment to go through a naturopathic assessment, and discuss in further detail.

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