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How much Magnesium to supplement

How much Magnesium should I supplement?

First note that serum magnesium levels do not correlate to muscular or cellular magnesium levels – the body works to keep blood Mg levels constant, containing ~1% of body's total Mg. Instead of trying difficult tissue Mg analysis to find out if your health problems may be due to low Mg levels, it is easier and more effective to simply intake more Mg, in amounts that approximate healthy dietary levels and see what happens.

The official RDA for Mg is 420 mg a day for men and 320 mg a day for women, which should at least prevent severe deficiency - on average, American men are getting < 200 mg magnesium daily and women < 150 mg / day. If you then consider the current RDA is less than half of the probable adequate amount, given all the factors depleting our supply, you can then grasp how significantly deficient we are in this vital mineral.

Recommended Daily Mg intake (all sources)

–   A "Normal" person - is someone who is healthy, eats the right foods and does not lead a stressful lifestyle.

–   An "Active or Stress" person - is someone who:

Participates in physical activity or sports;

Leads a stressful lifestyle;

Doesn't eat healthy foods.

It is also recommeded that you take the “Active/Stress amount with any signs of magnesium deficiency, for example:


Perspiring in hot weather;

A high carbohydrate consumer;

In chronic pain;

Suffering migraines;


Nursing mothers;

Persons with chronic fatigue or fibromyalgia;

If you have hypertension, heart disease, or high cholesterol / triglycerides;

If you are repairing tissue damaged by arthritis.

Some Examples:

–   140lb female leads a normal life - daily maintenance dose of magnesium is 130 lbs x 2.4 mg=336 mg. (Supplement 200 mg 1-2 times / day, depending on dietary Mg intake)

–   120lb female leads an "Active/Stress" lifestyle and weighs 120 pounds - daily maintenance dose of magnesium is 120 lbs x 4.5 mg = 540 mg. (supplement 200 mg 2-3 times/a day, depending on dietary Mg intake).


–   130 lb. Female, migraine headaches, insomnia, muscle tension/soreness - 130 lbs. x 4.5 mg =500-600 mg total intake per day (supplement 200 mg. 2-3 times/a day, depending on dietary Mg intake).

–   195 lb male, athlete in training, some injury with athletic performance - needs a total intake 500-880 mg (supplement 200 mg 3-4 times/a day depending on dietary Mg intake);

Let Your Body Guide You - How do you feel? Do you have energy? Are you flexible? Do you sleep well? Are you free from degenerative disease symptoms? Do not take more magnesium than you need ;

Excess intake of Mg usually produces diarrhea - It is difficult to reach toxic levels of Mg, since the kidneys will eliminate the excess. Too much oral Mg will also cause diarrhea.

Note that people with chronic kidney failure must be especially careful because their kidneys have difficulty eliminating magnesium and a toxic buildup may occur.

Halve the recommended amounts if using transdermal magnesium - due to its increased absorption

The U.S. recommended ratio is 2:1 calcium to magnesium - Typically the U.S. diet is around 4: 1. To correct a magnesium deficiency, it may be necessary to have a ratio of 1:1 for a few weeks using Mg supplementation.

Magnesium Links


Related Links


Mg - Missing Miracle Mineral


Why are we Mg-Deficient?

- Signs of Magnesium Deficiency

-Magnesium Deficiency Questionaire


Mg Functions in the Body

- Mg - Activates Vitamin D

-Mg - Alkalizing Agent

- Mg - Anti-Inflammatory

- Mg –Detoxifies Cells of Toxic Metals/Other toxins

- Mg –Regulates Calcium
Prevents soft tissue calcification

- Mg –Over 300 Enzymes

- Mg –Cell “Battery”/ATP Production

- Mg –Cell Membrane Integrity

- Mg –Antioxidant Glutathione synthesis

- Mg –Hormonal balance

- Mg –Cellular and food metabolism

- Mg –Muscle Relaxant

Mg effects on cardiac system

Mg in skeletal muscle contractions

- Mg –Calms Nerves


The Many Health Benefits of Mg

- Mg - For Bones

-Mg –Against Cancer

- Mg –Against CVD

–    Mg –Against Dental Problems

- Mg –For Mental Well-Being

-Mg –Against Diabetes

- Mg –Against Estrogen Dominance

–    Mg - Fights Infection /Immune System booster

- Mg –Dissolves Kidney Stones(calcium oxalate)

- Mg –Prevents /Alleviates Migraine

- Mg - Against Neurological/Neuromuscular Conditions

- Mg - Against Pain

- Mg - For Skin and Hair

- Mg - For Surgery


How to supplement MAGNESIUM

- Transdermal Magnesium Chloride

How to Make Magnesium Chloride Oil

Some Mg. Chloride Chemistry

-Oral Mg Supplementation

- Nebulizing/Vaporizing MgCl2

–    How much MAGNESIUM should I Supplement?


Mg Food Sources

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