Yet except for icons like Vegemite (the high-vitamin yeast spread) and koalas, most Americans--including investors--know little about Oz.
Having considered all these factors, however, the evidence seems clear at this time that high dose vitamin C supplements should be avoided in men, especially if there has been a previous history of kidney stones.
The bottom line is this: why even take the risk of developing a kidney stone-with its attendant pain and suffering-if high dose vitamin C has never been proven to have beneficial effects on our quality of health and risk for developing cardiovascular disease as well as cancer?
Make sure to eat plenty of high-quality, lean protein like fat-free dairy, egg whites, fish and skinless chicken (protein should make up about 20 percent of your total calories) and limit vitamin A fortified foods or multivitamins with high doses of vitamin A, which can negatively impact bone health.
Experts are warning people not to start taking very high levels of vitamin supplements without medical advice.
Women will eat soups naturally high in the vitamin, which it is believed may promote lung growth in the developing foetus.
"We know people with high levels of vitamin D are better able to control their asthma - that connection is quite striking, " said researcher Prof Catherine Hawrylowicz.
The very high levels of vitamin D that are often recommended by doctors and testing laboratories and can be achieved only by taking supplements are unnecessary and could be harmful, an expert committee says.
Ingesting sky-high doses of a vitamin is unnecessary and potentially harmful.
Higher prices for fresh fruits and vegetables, the demand for which is elastic, reduces consumption, so consumers get less of the antioxidant, vitamin and high-fiber benefits that these products afford.
Various health studies have shown that eating a handful of almonds every day -- a food high in magnesium, Vitamin E and B2 -- can lower cholesterol and help reduce the risk of heart disease.
Many epidemiological studies link low vitamin D levels to a high risk of getting or dying from various cancers down the road, especially colon cancer.
Attempts have been made to correlate other disease states with the relative deficiency in vitamin D that is still common in high latitudes.
By contrast, high doses of antioxidants such as beta carotene or vitamin E slightly boosted the death rate in trials, a giant Danish study found last year.
However, a UK expert questioned whether vitamin D was the principal factor behind the high rates of Crohn's disease.
That is huge news because drugs containing this B vitamin have been used for decades to treat high cholesterol.
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Dr Elizabeth Weichselbaum, a nutrition scientist at the British Nutrition Foundation, says meat is an important source of a number of nutrients in our diet, including high quality protein, iron, zinc, selenium, vitamin D and some B vitamins.
Vitamin D is important for healthy bones and teeth and a lack of the vitamin has also been linked by some studies to high rates of multiple sclerosis in Scotland.
Vitamin E intake is generally a concern only at very high doses, above 1500 IU per day.
MusclePharm is in a very fast growing niche of specialized supplements promoting high performance as well as healthy living while Schiff is in a more slow growth traditional vitamin market.
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Vitamin manufacturers are to invited to submit evidence of the efficacy and safety of their high-dose products.
Her exam revealed inordinately high levels of gastrin--an indicator of atrophic gastritis or pernicious anemia, a deficiency of vitamin B12.
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