Benefits of Vitamin D supplementation

Expert reveals medical breakthrough

Prof. Michael Holick, the pioneer of vitamin D3 has revealed the numerous functions behind this fat soluble vitamin are among the biggest medical discoveries in years.

Speaking at the opening seminar of his exclusive Australian tour which took place between 23-31 July 2011, Prof. Holick advised health care practitioners how commonly presented chronic diseases can be prevented by correcting vitamin D status.

Prof. Holick’s research revealed vitamin D deficiency increases the risk of:

  • Bone diseases: osteoporosis, rickets, osteomalacia
  • Muscle weakness and musculo-skeletal pain (eg fibromyalgia)
  • Diabetes: both type 1 and type 2
  • Development of CVD (high blood pressure and arterial stiffness)
  • Brain dysfunction: depression, dementia and schizophrenia
  • Numerous cancers (eg breast, bowel, prostate)
  • Poor immune function: increased risk of infection (eg upper respiratory tract infection), auto-immune disease and chronic inflammation.
  • Pregnancy complications including pre-eclampsia and emergency C-sections
  • Fertility problems
  • Increased all cause mortality
  • Osteo and rheumatoid arthritis

Who is at risk of vitamin D deficiency?

Almost everyone, particularly in later stages of winter. Sufficient amounts of vitamin D3 cannot be obtained through a healthy diet. Supplementation is recommended for most of the population.

How much vitamin D is recommended to prevent deficiency?

0-1 years:       600-1000IU/day                      Pregnancy:                 2000IU/day

1-18 years:      600-1000IU/day                      Lactating women:       4000-6000IU/day

18+ years:      1500-2000IU/day                    Obese individuals:     2-3 times more

Note: the TGAs recommendation is 1000IU/day

Why is vitamin D supplementation the most cost effective to reduce mortality rates?

New research, found in the  European Journal of Clinical Nutrition, found that increasing serum 25 (OH) levels is the most cost-effective way to reduce global mortality rates. The low cost of supplements and few adverse effects were just some of the benefits of doubling serum vitamin D levels from 54 to 110 nmol/l – which is estimated to increase life expectancy by two years! 1

Article courtesy of

1 WB Grant. An estimate of the global reduction in mortality rates through doubling vitamin D levels. European Journal of Clinical Nutrition. Published online.

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