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We hear a lot about how important calcium is to our bone health. But many people don't know that vitamin D is just as important for our bones as calcium is.
Vitamin D helps increase the body's absorption of calcium. If we don't get enough vitamin D it is estimated that we would absorb only half the calcium we consume.
There is new research that also links lack of vitamin D to other health conditions. It is important for many reasons to get enough vitamin D everyday.
Vitamin D is often called the sunshine vitamin. This is because our skin can make vitamin D (using the cholesterol in our bodies) when exposed to sunlight. The problem is that in Canada in the winter months, the sun is not strong enough for our bodies to make enough vitamin D. We must also consume vitamin D from food.
How Much is Enough?
| Life Stage |
Age |
Vitamin D Needs |
Safe Upper Level |
| Infants |
0-6 months |
400 IU * |
1000 IU |
| 7-12 months |
400 IU * |
1500 IU |
| Children |
1-3 years |
600 IU |
2500 IU |
| 4-8 years |
600 IU |
3000 IU |
| 9-18 years |
600 IU |
4000 IU |
| Adults |
19-70 years |
600 IU |
4000 IU |
| 70+ years |
800 IU |
4000 IU |
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Source: Dietary Reference Intakes, 2010.
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* Breastfed babies 0-12 months need a vitamin D supplement.
All adults over 50 years should take 400 International Unit (IU) of vitamin D every day. If you take a multivitamin, check to be sure it contains 400 IU. If you do not take a multivitamin, take vitamin D in tablet or liquid form.
If you have questions about your vitamin D needs, talk to your health care provider.
Food Sources
There are very few natural food source of vitamin D. Some food sources include fresh or canned fatty-fish (e.g. salmon - 245 IU) and mushrooms (10-25 IU).
Most other sources of vitamin D are fortified foods such as cow's milk (100 IU), soy beverage (and other plant-based beverages), some yogurts (check the label - not all yogurts have added vitamin D) and margarine (25 IU).
Contact & More Information
For more information contact EatRight Ontario toll-free at 1.877.510.5102 or find them on the web at www.eatrightontario.ca.
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