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  • Now Foods Magnesium Oxide Powder, 8 Ounce
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Now Foods Magnesium Oxide Powder, 8 Ounce


List Price: $9.99
Price: $8.60 ($1.08 / ounce) & FREE Shipping on orders over $35. Details
You Save: $1.39 (14%)
Only 20 left in stock (more on the way).
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  • Magnesium oxide
  • Serving size: 1/4 level teaspoon
  • Servings per container: 324
21 new from $2.99

Frequently Bought Together

Now Foods Magnesium Oxide Powder, 8 Ounce + NOW Foods Calcium Carbonate, 12 Ounces
Price for both: $17.99

Buy the selected items together


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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Product Description

Magnesium Oxide is derived from ancient oceanic deposits and is a rich source of elemental magnesium (58% average).  Magnesium is an essential mineral that plays a key role in the activation of amino acids for protein biosynthesis and is highly concentrated in intracellular fluid and bone.*

Product Details

  • Product Dimensions: 12.4 x 9.5 x 6.1 inches ; 10.2 ounces
  • Shipping Weight: 10.4 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B0010B8CBW
  • UPC: 733739013101
  • Item model number: Magnesium
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (21 customer reviews)
  • Amazon Best Sellers Rank: #23,216 in Health & Personal Care (See Top 100 in Health & Personal Care)
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Customer Reviews

Powder works better than tablets.
DJ Luna
I add it to juice, would be nicer flavored but it works amazing!!!
cherie o thomas
Helps in the winter when I have cold feet & hands!
Qboss

Most Helpful Customer Reviews

32 of 32 people found the following review helpful By Ronald K. Wilson on October 30, 2012
Verified Purchase
Magnesium is the most important mineral in your body. Lose your magnesium and you lose your life. Magnesium is a vital catalyst in enzyme activity, especially the activity of those enzymes involved in energy production. It also assists in calcium and potassium uptake. A deficiency of magnesium interferes with the transmission of nerve and muscle impulses, causing irritability and nervousness. Supplementing the diet with magnesium can help prevent depression, dizziness, muscle weakness and twitching, and premenstral syndrome (PMS), and also aids in maintaining the body's proper pH balance and normal body temperature. Magnesium is necessary to prevent the calcification of soft tissue. This essential mineral protects the arterial linings from stress caused by sudden blood pressure changes, and plays a role in the formation of bone and in carbohydrate and mineral metabolism. Magnesium is a factor in helping to prevent cardiovascular disease, osteoporosis,kidney stones, chronic fatigue, insomnia, irritable bowel syndrone, and a multiple of other diseases brought on by a lack of this essential mineral.

I have taken 1/4 of a teaspoon of magnesium in a 8 oz. glass of water twice daily since 1989 for hypertension and it helps me maintain a normal blood pressure.

Magnesium is most inexpensive, miracle mineral you will ever take. I highly recommend it.
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23 of 26 people found the following review helpful By chris on August 6, 2012
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Everyone should use this stuff. It works better than anything else on the planet on increasing digestion efficiency. I put 1-2 heaping spoon fulls in a full glass of distilled water and orange flavored fiber powder. Within 8 hours you will expell everything from your system. Magnesium oxide is very amazing stuff and works better than any other colon cleansing product. This product is over 1,000 times more powerful than oxy-powder. It is very relaxed and comfortable yet powerful effect on the bowels. When taking this product, expect your gut to be none existent while looking thin and sexy as hell! I recommend this product to anyone 100%!
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8 of 8 people found the following review helpful By Angel on January 4, 2013
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I love this product cause it being a powder I am able to digest it better than tablets and it helps me with my deficiency that cause bad cramping everywhere. It also helped my digestive system
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5 of 5 people found the following review helpful By Barfy the God on June 22, 2014
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If you need to give yourself diarrhea (and I mean that in the most positive sense) this is a value loose bulk quantity for nightly consumption but doesn't consume your wallet. Start with a thousand milligrams at bedtime and work your way up. Keep those cheeks clenched and keep ridin' that horse!
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5 of 5 people found the following review helpful By Angelady54893 on January 14, 2013
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I make my own enhanced protien shakes. I need extra magnesium in my diet and this produt (a little goes a long way) allows me to enrich my diet as I need.
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6 of 7 people found the following review helpful By NYFB on July 30, 2014
This is oxide not citrate. Oxide is hardly bioavailable, so it is waste of money unless one is consuming for digestion not for muscles. Powder is always a better form since supplement companies do not get to add any other ingredients hiding inside tablets. Powder in citrus form is produced by only two supplement companies since oxide is so inexpensive and easier to sell with many other mixes. This oxide is as expensive as citrus which makes it more confusing. I do not take any supplements, pills or medicine for any condition at all. I have an extremely healthy diet but to increase my potassium only after getting blood test, to avoid muscle cramps when body surfing and doing other sports, my research shows;

OXIDE (60% elemental) is a laxative, not absorbed by human body as much. Better forms of magnesium are TAURATE,
GLYCINATE, CITRATE (16% elemental), MALATE (6.5% elemental), ORATATE, CHLORIDE (12% elemental) in form of oil. Chelated magnesium is far better absorbed than magnesium OXIDE but cost more. Complementary medicine practitioners rely on chelated magnesium, such as magnesium GLYCINATE, TAURATE and ORTATE (magnesium plus amino acids) to treat serious cases of magnesium deficiency. Those kind of magnesium have less laxative effect on the intestines than magnesium citrate, so they are recommended if you tend to have loose stools.

OXIDE appears to have high amount of elemental magnesium. One 500 mg capsule of magnesium oxide contains 300 mg of elemental magnesium. But little of that amount is available to the body because it is not absorbed and therefore not biologically available. One recent study reported 4% absorption rate of magnesium oxide. This means 12 mg of 500 mg capsule are absorbed and 288 may stay in the intestines, acting like a laxative.
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4 of 4 people found the following review helpful By DJ Luna on December 30, 2012
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Use it daily to calm mind and body. Powder works better than tablets. Keeps me very relaxed, happy and healthy. Thanks Now Foods.
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3 of 3 people found the following review helpful By Carl A. Dixon on April 2, 2014
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I purchased this because of a cramping problem after a long road bike ride. I had tried everything else to stop the cramps I could think of. I take it every day with a banana and have not cramped since.
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Most Recent Customer Reviews

Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.