vrijdag 13 januari 2012

Je hebt géén extra calcium nodig!

Calcium is everywhere these days. It's hard to get away from it even if you try. They put it in bread, milk, orange juice, pasta, yogurt, toothpaste, chewing gum, snack crackers and granola bars… it's even in your water, depending on where you live.
That's a lot of calcium.
But supplementing with even more calcium is not a good idea.
A review done by the British Medical Journal carefully analyzed 11 different calcium supplementation studies. TheBMJ found that taking more than 500 mg a day increased heart attacks by 31 percent.1
Those supplementing with calcium were also more likely to have more than one heart attack.
Another study looked at 1,471 women over five years. Half took 1 gram of calcium a day, and half took a placebo.2
The women assigned to take calcium supplements were more than twice as likely to have heart attacks compared with those who took a placebo.
The U.S. Dept. of Agriculture found that most Americans take in around 800 mg of calcium every day. Fortunately, that's about how much you need if you're a healthy adult.
And as long as you eat anywhere near a normal diet, you don't need calcium supplements. You get plenty of calcium through the food you eat.
My favorite way to get my daily dose is to eat lots of dark green leafy vegetables like mustard greens and broccoli.
Some other good sources of calcium are:
Amount of calcium
per 100 g (3.5 ounces)
Parmesan Cheese
(fresh, not processed)
1,220 mg
Sesame Seeds
1,160 mg
Swiss cheese
950 mg
460 mg
250 mg
330 mg
190 mg
Brazil Nuts
180 mg
130 mg
Lemon slices
110 mg
80 mg
80 mg
75 mg
Kidney Beans
70 mg
60 mg
Also, I like to use spices when I cook, and two very flavorful spices in their powdered form - curry (645 mg) and mustard (335 mg) - are loaded with calcium.
To make sure you retain the calcium you take in, try to get 400 mg a day of magnesium. It works in your bones to balance your calcium.
So have a beer every now and then and relax. (Yes, beer has calcium, too - usually between 15 and 20 mg in a 12-ounce bottle).

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