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Magnesium Oxide

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JJ Smith Tummy Focus Magnesium Digestive Cleanse for Gut Regularity 90 Capsules
-8%
Health Focused

JJ Smith Tummy Focus Magnesium Digestive Cleanse for Gut Regularity 90 Capsules

Rs 6,000Rs 6,500
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NOW Foods Magnesium Citrate Softgels
-13%
NOW Foods

NOW Foods Magnesium Citrate Softgels

Rs 7,000Rs 8,000
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NOW Foods Sports ZMA Veg Capsules
-7%
NOW Foods

NOW Foods Sports ZMA Veg Capsules

Rs 9,300Rs 10,000
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NOW Foods Calcium, Magnesium Tablets
-25%
(1)
NOW Foods

NOW Foods Calcium, Magnesium Tablets

Rs 6,000Rs 8,000
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NOW Foods Magnesium Caps 180 Veg Capsules
-11%
NOW Foods

NOW Foods Magnesium Caps 180 Veg Capsules

Rs 8,000Rs 9,000
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Forest Leaf Magnesium Complex 500mg 5 in 1 Capsules
-5%
Forest Leaf

Forest Leaf Magnesium Complex 500mg 5 in 1 Capsules

Rs 9,000Rs 9,500
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Nutricost Magnesium Taurate 1500mg Capsules
-10%
Nutricost

Nutricost Magnesium Taurate 1500mg Capsules

Rs 9,500Rs 10,500
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Nutricost Magnesium Oxide 750mg Capsules
-7%
Nutricost

Nutricost Magnesium Oxide 750mg Capsules

Rs 6,500Rs 7,000
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Nutricost Magnesium Complex Extra Strength Capsules
-11%
Nutricost

Nutricost Magnesium Complex Extra Strength Capsules

Rs 8,000Rs 9,000
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California Gold Nutrition Zinc, Magnesium Vitamin B6 Capsuels
-6%
California Gold Nutrition

California Gold Nutrition Zinc, Magnesium Vitamin B6 Capsuels

Rs 8,000Rs 8,500
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Clean Nutraceuticals Slippery Elm Capsules
-8%
Clean Nutraceuticals

Clean Nutraceuticals Slippery Elm Capsules

Rs 11,000Rs 12,000
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Bcuelov Sleep Eazy Advanced Sleep Aid Capsules
-14%
Bcuelov

Bcuelov Sleep Eazy Advanced Sleep Aid Capsules

Rs 6,000Rs 7,000
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Deep dive

About Magnesium Oxide

Everything you need to know about this ingredient — sourced from our editorial team and the brands we work with.

About this ingredient

Magnesium Oxide is a mineral compound commonly used in dietary supplements and other health products as a source of magnesium. Magnesium is an essential mineral involved in normal muscle and nerve function, energy metabolism, electrolyte balance, and maintenance of normal bones and teeth. Magnesium Oxide contains a relatively high amount of elemental magnesium by weight and is commonly found in tablets, capsules, and powders.

Health benefits

  • ✓💪 Supplies magnesium for normal muscle function
  • ✓🧠 Supports normal nerve signaling
  • ✓⚡ Contributes to energy metabolism
  • ✓🦴 Helps maintain normal bone health
  • ✓⚖️ Supports electrolyte balance
  • ✓🥗 Helps increase magnesium intake when dietary intake is insufficient
  • ✓🔥 Helps neutralize stomach acid in appropriate antacid formulations
  • ✓🚽 Used in certain laxative products for occasional constipation

Common uses

  1. 1💊 Used in magnesium dietary supplements
  2. 2🧪 Included in selected mineral formulations
  3. 3🔥 Used as an active ingredient in certain antacid medicines
  4. 4🚽 Used in specific laxative preparations
  5. 5💪 Used to help address inadequate magnesium intake
  6. 6📋 Included in selected nutritional and medicinal products

How it works

Magnesium oxide provides magnesium, which the body uses in enzyme activity, energy metabolism, muscle contraction, nerve signaling, and bone maintenance. Once consumed, some magnesium oxide dissolves in the digestive tract and becomes available for absorption. Its absorption is generally lower than that of more soluble forms, such as magnesium citrate, although the actual amount depends on the product and dose. In antacid products, magnesium oxide can react with stomach acid and help neutralize it. In certain laxative preparations, magnesium can draw water into the intestines and help promote bowel movements. The effect depends on the formulation and intended use.

Recommended for

  • ♥Magnesium oxide supplements may be appropriate for adults who need additional magnesium and have been advised to supplement it. Certain formulations may also be used for occasional heartburn or constipation according to their approved directions. Consumers should confirm whether a product is intended as a supplement, antacid, or laxative before use. People with kidney disease, bowel disorders, dehydration, or significant heart conditions should seek medical advice before taking magnesium oxide. Pregnant or breastfeeding individuals, children, and people taking regular medication should consult a qualified healthcare professional to determine whether a particular product is suitable.

Scientific information

Magnesium oxide has the chemical formula MgO and contains approximately 60% elemental magnesium by theoretical weight. However, this does not mean that the body absorbs 60% of the compound; the amount of magnesium absorbed is influenced by its relatively low solubility, the formulation, dose, and digestive conditions. Magnesium is an essential mineral involved in hundreds of enzymatic reactions, including those required for ATP-related energy metabolism, protein synthesis, neuromuscular function, and electrolyte regulation. Magnesium oxide is used in supplements because it supplies a concentrated amount of elemental magnesium by weight. It is also used in selected medicines for its acid-neutralizing and laxative effects. The appropriate use depends on the product's formulation and the individual's medical needs.

Safety information

Magnesium oxide should be taken according to the specific product label and professional advice. Supplements may cause diarrhea, nausea, or abdominal discomfort, while laxative products can cause more substantial fluid loss. People with impaired kidney function are at greater risk of magnesium accumulation and should not use magnesium-containing products without medical guidance. Magnesium can interfere with the absorption of certain medicines, including tetracycline and quinolone antibiotics and oral bisphosphonates. It may also need to be separated from levothyroxine; ask a pharmacist about the correct interval for each medicine. Do not use antacid or laxative formulations for prolonged periods without medical advice. Seek medical attention for persistent constipation, severe abdominal pain, vomiting, rectal bleeding, or signs of dehydration.

Possible side effects

  • !Possible side effects of magnesium oxide include diarrhea, loose stools, nausea, abdominal cramps, and stomach discomfort. The likelihood depends on the dose, formulation, and individual tolerance. Excess magnesium accumulation, particularly in people with kidney impairment, can cause low blood pressure, marked weakness, confusion, reduced reflexes, breathing difficulties, and abnormal heart rhythms. Excessive laxative use may also cause dehydration and electrolyte disturbances. Seek medical advice if symptoms are severe or persistent, and obtain urgent medical care for difficulty breathing, fainting, or profound weakness.

More about this ingredient

Magnesium oxide is a commonly used ingredient in magnesium supplements and selected antacid and laxative medicines. It provides magnesium, an essential mineral that supports normal muscle function, nerve signaling, energy metabolism, electrolyte balance, and bone health. Certain magnesium oxide products are also used to relieve heartburn or occasional constipation. People searching for magnesium oxide benefits, magnesium oxide uses, or magnesium supplements in Pakistan should check the product's intended purpose and the amount of elemental magnesium per serving. Although magnesium oxide contains a high percentage of elemental magnesium by weight, it is generally less readily absorbed than some more soluble magnesium forms. The appropriate product depends on individual needs, tolerability, and medical circumstances. Wellmart.pk provides ingredient information to help consumers make informed decisions when comparing supplements in Pakistan. Consult a qualified healthcare professional before use if you have kidney disease, take medication, or need magnesium oxide for persistent digestive symptoms.
Got questions?

Frequently asked questions

What is magnesium oxide?

Magnesium oxide is a compound of magnesium and oxygen used in supplements and certain antacid and laxative medicines.

What is magnesium oxide used for?

It can provide magnesium in supplements and is also used in certain products for heartburn or occasional constipation.

What are the benefits of magnesium oxide?

It supplies magnesium for normal muscle and nerve function, energy metabolism, electrolyte balance, and bone health.

Is magnesium oxide a supplement or a medicine?

It can be either, depending on the formulation and intended use. Always check the product label.

How much elemental magnesium does magnesium oxide contain?

Pure magnesium oxide contains approximately 60% elemental magnesium by weight, but the absorbed amount is lower and varies by product and individual factors.

Is magnesium oxide well absorbed?

It is generally less readily absorbed than some more soluble forms of magnesium, such as magnesium citrate.

Can magnesium oxide help with constipation?

Certain formulations can act as laxatives by increasing water in the intestines. Use them only according to the label or medical advice.

Can magnesium oxide relieve heartburn?

Yes. In appropriate antacid products, it can help neutralize stomach acid and relieve heartburn symptoms.

What are the side effects of magnesium oxide?

Possible effects include diarrhea, nausea, abdominal cramps, loose stools, and stomach discomfort.

Can magnesium oxide cause diarrhea?

Yes. Diarrhea is a common side effect, particularly with higher doses or laxative formulations.
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