Moderation might be boring but it's key to our health* Calcium supplements: Don't waste your time and money* Most healthy adults don't need calcium or vitamin D supplements - study* Vitamin D is essential, but you don't necessarily need supplements* Vitamin D deficiencies put South Island babies at risk of rickets - study* Dr Libby: Why vitamin D is unique* Roger Hanson: The vital role of vitamin DVitamin D increases the intestinal absorption of calcium from the food that we eat. We need a modest amount of exposure to direct sunlight to get all the vitamin D that we need. Vitamin D supplements have an interesting origin. It is used to make lanolin but is the precursor to vitamin D3, which when exposed to ultraviolet radiation mimics the reaction in our skin that produces vitamin D. A vegan form of vitamin D is extracted from plants such as algae. In addition, measuring of vitamin D levels since 2009 found most people weren’t low in the nutrient.

Source: Stuff September 05, 2021 17:03 UTC