How to Make Magnesium Oil Using Magnesium Chloride USP Powder (DIY)

Written by Amir Tajer


Posted on December 19 2016

One of the best ways to improve the level of Magnesium in your body is by taking Magnesium transdermally.

The most common way for this is to use magnesium oil.

Below are the instructions to make magnesium oil using our Magnesium Chloride USP powder:

How to Make Magnesium Oil Using Magnesium Chloride USP Powder (Part 1)

How to Make Magnesium Oil Using Magnesium Chloride USP Powder (Part 2)



- ¼ cup to ½ cup of Greenway Biotech Magnesium Chloride USP

- ½ cup of filtered water
- Jar or spray bottle to store the mixture


1. Heat up ½ cup of filtered water (not to the point of boiling).
2. Pour the water over ¼ cup of Greenway Biotech magnesium chloride.
3. Stir the mixture until the magnesium chloride is dissolved.
4. Allow to cool then pour into a glass spray bottle or jar for storage.
5. You can apply the mixture to your skin after it has cooled enough to a comfortable temperature. You can also store the magnesium oil for future use.

Note: You may use the magnesium oil several times per day, using anywhere from 10 to 20 sprays spaced throughout.

Note: For optimal absorption spray/apply the magnesium oil to your stomach area and arms and legs.

Note: If you find that the application of magnesium oil tingles or stings, you can dilute the mixture by adding more water.

We hope you enjoy your homemade magnesium oil! If you'd prefer to purchase magnesium oil that's already made, feel free to shop our magnesium oil below, as well as our Magnesium Chloride USP powder. 


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  • Comment author

    In regards to dosage:
    Is there any way to determine how many Mgs of Magnesium is absorbed from your Magnesium Oil Spray? For example, approximately how many Mgs of Magnesium is absorbed if you apply one Teaspoon of your Magnesium Oil Spray topically? Approximate or any kind of estimate would help. Thanks.

    Posted by Bill | January 05, 2023
  • Comment author

    Why is it called ‘magnesium oil’ when there is no oil in it? Shouldn’t it be called magnesium water’ or ‘magnesium spray’?

    Posted by Marty Davis | August 26, 2021
  • Comment author

    Fanny: Yes, this is good for the skin!

    Posted by Greenway Biotech | July 27, 2020
  • Comment author

    Is good also for the skin ?

    Posted by Fanny Schillaci | July 27, 2020
  • Comment author

    how many grams of elemental magnesium in a cup of your usp/pharmaceutical grade flakes.

    Posted by mat | May 30, 2018
  • Comment author

    Guin: There is no difference between the magnesium oil we sell and magnesium oil you would make from Greenway’s magnesium chloride usp.

    Posted by Greenway Biotech | October 13, 2017
  • Comment author

    Joan Gaston: Unfortunately, we do not have any locations other than our main one in Santa Fe Springs, Ca for local pickup. I’m sorry :(

    Posted by Greenway Biotech | October 13, 2017
  • Comment author

    Lisa Baca: Magnesium Oil could be used on all body parts and it has a lot of benefits. Below are some of the main benefits of using magnesium oil:
    Boosts Magnesium Level — Improves Sleep — Relieves Joint Pain — Aids With Muscle Recovery — Helps With Arthritis — Reduces Skin Oiliness — Balances Blood Sugar Level — Stress Relief

    Posted by Greenway Biotech | October 13, 2017
  • Comment author

    Ta-Wanda: Yes, you can consume magnesium oil. However, since this is formulated for transdermal use it is very concentrated. We recommend making magnesium solution if you would like to consume it:
    To use magnesium oil internally, we recommend 12-15 pumps.

    Posted by Greenway Biotech | October 13, 2017
  • Comment author

    Can I use the spray internally and if so how many pumps?

    Posted by Ta-Wanda | June 18, 2017
  • Comment author

    Apreciable ; Amir Tajer
    Thank you for the receipe of Magnesium Chloride.. and thank you to
    Greenway BioTech
    God bless you.

    Gloria Monroy

    Posted by Gloria Monroy | May 24, 2017
  • Comment author

    What is it about for? Spray on body or soothing spray on feet?

    Posted by Lisa Baca | March 31, 2017
  • Comment author

    I would like to buy this locally – is that possible?
    I live in Bloomfield Hills, MI. close to Birmingham, Rochester & Troy, MI
    Area code 48304
    Is it possible to buy it locally and where?

    Posted by Joan Gaston | March 23, 2017
  • Comment author

    Is there any difference in use of diy mag oil and already made oil bought?

    Posted by Guin | January 01, 2017
  • Comment author

    Is the magnesium therapeutic grade powder, the same as the mag oil? Can I make the exact same oil as your ready made product?

    Posted by Guin | January 01, 2017
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