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Magnesium Citrate vs. Magnesium Oxide: What's the Difference?

Edited by Huma Saeed || By Sumera Saeed || Published on January 2, 2024
Magnesium Citrate is a magnesium salt combined with citric acid, easily absorbed by the body. Magnesium Oxide is a compound of magnesium and oxygen, less bioavailable but useful for treating low magnesium levels.

Key Differences

Magnesium Citrate is known for its high bioavailability, meaning the body can absorb it more easily. This makes it a preferred choice for dietary supplements. Magnesium Oxide, on the other hand, has a lower absorption rate, but it is often used for its laxative properties and to treat magnesium deficiencies.
Sumera Saeed
Jan 02, 2024
The chemical structure of Magnesium Citrate involves magnesium combined with citric acid. This composition contributes to its higher solubility in water. Magnesium Oxide is a simple compound formed from magnesium and oxygen, making it less soluble in water.
Sumera Saeed
Jan 02, 2024
In terms of medical use, Magnesium Citrate is frequently used as a gentle laxative and is helpful in treating constipation. Magnesium Oxide is more commonly prescribed for people with severe magnesium deficiencies, due to its higher magnesium content per dose.
Huma Saeed
Jan 02, 2024
Magnesium Citrate can be more beneficial for individuals looking to improve their overall magnesium levels for general health. Magnesium Oxide, despite its lower absorption, is often recommended for specific conditions like migraines or acid reflux.
Aimie Carlson
Jan 02, 2024
The cost factor also differentiates them. Generally, Magnesium Citrate is more expensive due to its higher bioavailability and efficiency. Magnesium Oxide is usually cheaper and more commonly found in over-the-counter supplements.
Harlon Moss
Jan 02, 2024
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Comparison Chart

Bioavailability

High, easily absorbed by the body
Lower, less easily absorbed
Sumera Saeed
Jan 02, 2024

Chemical Composition

Magnesium combined with citric acid
Magnesium combined with oxygen
Huma Saeed
Jan 02, 2024

Solubility

High in water
Low in water
Sumera Saeed
Jan 02, 2024

Common Uses

Laxative, general magnesium supplementation
Treating magnesium deficiencies, laxative
Janet White
Jan 02, 2024

Price

Generally more expensive
Usually cheaper
Sumera Saeed
Jan 02, 2024
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Magnesium Citrate and Magnesium Oxide Definitions

Magnesium Citrate

A bioavailable form of magnesium combined with citric acid.
Doctors prefer magnesium citrate due to its high absorption rate.
Sumera Saeed
Dec 15, 2023

Magnesium Oxide

A less soluble, but potent, source of magnesium.
For severe deficiencies, doctors prescribe magnesium oxide.
Sumera Saeed
Dec 15, 2023

Magnesium Citrate

A salt form of magnesium used for its laxative effect.
Magnesium citrate is often recommended for relieving constipation.
Sumera Saeed
Dec 15, 2023

Magnesium Oxide

A magnesium supplement often used for its laxative properties.
Magnesium oxide can also act as a laxative when needed.
Aimie Carlson
Dec 15, 2023

Magnesium Citrate

A soluble form of magnesium used in liquid supplements.
Magnesium citrate in liquid form is easy to consume.
Harlon Moss
Dec 15, 2023

Magnesium Oxide

A compound used as an antacid to relieve heartburn and indigestion.
He used magnesium oxide to ease his acid reflux.
Huma Saeed
Dec 15, 2023

Magnesium Citrate

A compound used in medical imaging for bowel preparation.
Before his colonoscopy, he drank magnesium citrate.
Aimie Carlson
Dec 15, 2023

Magnesium Oxide

An inorganic compound of magnesium and oxygen.
Magnesium oxide is often found in its powdered form.
Sumera Saeed
Dec 15, 2023

Magnesium Citrate

A magnesium compound used as a dietary supplement.
She took magnesium citrate to improve her magnesium levels.
Sumera Saeed
Dec 15, 2023

Magnesium Oxide

A mineral supplement used to maintain adequate magnesium in the body.
Magnesium oxide helps to replenish her low magnesium levels.
Sumera Saeed
Dec 15, 2023

FAQs

What is Magnesium Citrate?

A salt of magnesium and citric acid, used as a supplement and laxative.
Sumera Saeed
Jan 02, 2024

Does Magnesium Citrate have side effects?

It can cause stomach upset and diarrhea if taken in large doses.
Sumera Saeed
Jan 02, 2024

What is Magnesium Oxide used for?

It's used for treating magnesium deficiencies and as an antacid.
Huma Saeed
Jan 02, 2024

How does Magnesium Oxide interact with medications?

It can reduce the effectiveness of certain medications if taken together.
Aimie Carlson
Jan 02, 2024

Is Magnesium Oxide good for anxiety?

It can help in managing anxiety by maintaining magnesium levels.
Janet White
Jan 02, 2024

Is Magnesium Oxide natural or synthetic?

It is an inorganic, synthetically prepared compound.
Janet White
Jan 02, 2024

Can Magnesium Citrate improve sleep?

Yes, it can aid in relaxation and improve sleep quality.
Sumera Saeed
Jan 02, 2024

Can Magnesium Oxide cause constipation?

Unlike citrate, it's less likely to cause laxative effects.
Janet White
Jan 02, 2024

Is Magnesium Citrate safe during pregnancy?

It should only be used under medical supervision during pregnancy.
Aimie Carlson
Jan 02, 2024

Can I take Magnesium Oxide on an empty stomach?

Yes, but it may be better tolerated with food.
Harlon Moss
Jan 02, 2024

Can Magnesium Oxide help with migraines?

Yes, it can be effective in reducing migraine frequency.
Sumera Saeed
Jan 02, 2024

Does Magnesium Citrate interact with other supplements?

It can interact with calcium and other minerals.
Aimie Carlson
Jan 02, 2024

Can Magnesium Citrate cause kidney stones?

Excessive use might contribute to kidney stone formation.
Aimie Carlson
Jan 02, 2024

Is Magnesium Oxide suitable for long-term use?

It can be used long-term under medical supervision for chronic conditions.
Sumera Saeed
Jan 02, 2024

Can children take Magnesium Citrate?

Yes, but in doses appropriate for their age and weight.
Sumera Saeed
Jan 02, 2024

Is Magnesium Oxide vegan?

Yes, it does not contain animal-derived ingredients.
Sumera Saeed
Jan 02, 2024

How quickly does Magnesium Citrate work as a laxative?

It typically works within 30 minutes to 6 hours.
Janet White
Jan 02, 2024

How does Magnesium Oxide affect bone health?

It supports bone health by maintaining adequate magnesium levels.
Aimie Carlson
Jan 02, 2024

Can I take Magnesium Citrate for muscle cramps?

Yes, it can help in relieving muscle cramps.
Janet White
Jan 02, 2024

Is Magnesium Citrate better absorbed than Magnesium Oxide?

Yes, it has higher bioavailability.
Sumera Saeed
Jan 02, 2024
About Author
Written by
Sumera Saeed
Sumera is an experienced content writer and editor with a niche in comparative analysis. At Diffeence Wiki, she crafts clear and unbiased comparisons to guide readers in making informed decisions. With a dedication to thorough research and quality, Sumera's work stands out in the digital realm. Off the clock, she enjoys reading and exploring diverse cultures.
Edited by
Huma Saeed
Huma is a renowned researcher acclaimed for her innovative work in Difference Wiki. Her dedication has led to key breakthroughs, establishing her prominence in academia. Her contributions continually inspire and guide her field.

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