Question
The RDA of magnesium for woman is 320 mg. I have been using 3tsp (615 mg of Natural Calm) is this dangerous? What about too much magnesium and toxicity to the kidneys.

This is a good question. First of all, think about the RDA. They come up with one number for all women. A 100 lb woman gets the same RDA as a 200 lb woman. Understandably, then the government always wants to quote the lower numbers if they can only recommend one number across the board. I have talked to a few doctors too about magnesium and some of them just give a party line be careful about your kidneys. There are also lots of doctors who would disagree. Dr. Carolyn Dean, for example, believes that the RDA is the bare minimum and that we need more like twice as much.

  • Here are some things to consider about your magnesium intake
  • If you are 200 lbs you need more magnesium than a person who is 100 lbs.
  • If you are athletic or very active, your body requires more magnesium than a non active person
  • If you use your brain a lot, you use more magnesium than people who coast with their brains.
  • If you are under a lot of stress, you use more magnesium than someone whose life is stress free.
  • If you are on prescription drugs (or illegal street drugs or alcohol) you need more magnesium.

RDA is more like a guideline to give people an idea, not a maximum. With an RDA of 300-400, you at least know not to take 3,000 mg. It also is just enough to ward off outright deficiency.

The great thing about magnesium is if you take too much the excess gets eliminated through your colon. I.e. you will get the runs. So the optimum level is keep increasing your dose until your stools are comfortably loose (i.e. just slightly loose)

Too much magnesium being hard on the kidneys is more of a problem with hard to digest forms of magnesium like magnesium oxide (4% bioavailability). Most laxative medications are made from magnesium and they use forms like magnesium oxide. Many people depend on laxatives for a bowel movement and are constantly overloading their system with magnesium and that situation is more likely to be hard on your kidneys than taking a higher dose of a supplement. If your kidneys are relatively healthy, then you need not worry. If you have a kidney disease, then you need to have your doctor help you monitor your magnesium intake.

Ultimately, we need to get as much information as we can and then trust our bodies as to what we need.

Please comment on your thoughts of this article
Natural Calm is available in North America
Natural Calm is called Magnesium Supreme in Europe

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Categories: Magnesium Supplements , Natural Calm , Uncategorized

52 Responses to “Magnesium RDA - Is it Safe to Take More?”

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