Saying Vitamin D and calcium supplements are unnecessary is a bit misleading....

Dietary vitamin and mineral intake is just as important as cell uptake.

Insulin resistance and increased insulin levels and will inhibit calcium uptake (which is why osteoporosis is so strongly associated with insulin resistance). So it's really pointless to supplement calcium if you're diabetic (type 2) or pre-diabetic. In fact, it's dangerous. If you can't absorb the excess exogenous calcium it will begin to deposit in organs and blood vessels.

Insulin resistance also inhibits magnesium uptake. In context, this is important for two reasons. Magnesium and calcium levels react to one another to maintain homeostasis. Therefore, a change in one causes a change in the other. The other reason is that magnesium is essential for Vitamin D metabolism.

So...one can be overconsuming certain vitamins and minerals (D and calcium) and yet be deficient at the cellular level.

I found it odd that this is in Canadian news, the lowering of the requirement. When they decided a couple of years ago, that we were deficient up here, due to less sunshine, they had tested people, and found the sickest had deficiencies, and the healthiest had good strong levels of Vit D.

Now it seems they're saying that we get enough sunshine throughout North America. As if we're going out in -20 or below, and getting sunshine It seems they are ignoring the tests they did a couple of years ago, or expecting us to forget that they did them.

If they start to make it hard or too costly to get supplements, we need to remember seafood like herring has 1300 iu per 3 oz, and sardines, salmon and other seafood will also give us decent amounts. Stick with smaller fish, it's less polluted, and make sure it's from no where near the Gulf of Mexico.

Originally posted by GirlGenius


Best to get a minimum of 20 minutes midday sun bare-chested

....especially women.