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Top 10 Best Magnesium Supplements – Reviewed Products for 2021

Choosing the Best Magnesium Supplement

Magnesium is an essential mineral required throughout the human body for a variety of important functions.

This vital mineral encompasses everything from optimal functioning of the nervous system to bowel regularity, mood, and even quality of sleep, so it is of the utmost importance that you ensure you are getting enough of it in your diet.

Of course with many vitamins and minerals it can often be impractical or otherwise not cost-effective to consume optimal amounts through food sources alone, which is why we sometimes have to do rely on dietary supplements.

As you might have imagined, magnesium products can be a fantastic way of conveniently adding extra magnesium to your diet so that you can enjoy the peace of mind you are providing your body what it needs to operate.

To ensure you have all of the information you need to make an informed decision we have compiled these magnesium supplement rankings based on factors such as value for money, user feedback, and the overall popularity of the products listed.

You will also notice that many of these products contain ingredients other than magnesium, serving multiple purposes and providing your body with a wider range of health and performance-related benefits.

Magnesium Products Compared

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#1 – NOW Foods Magnesium Caps

  • Contains 400 mg of Magnesium per serving
  • Provides Magnesium in three different forms for maximal bioavailability
  • Brought to you by one of the most popular supplement brands on the market
  • Offers fantastic value for money
  • Suitable for vegetarians and vegans

There is no denying that if you are looking for a high quality magnesium product then you really don’t need to go for anything overly complicated; a simple blend of the few different types of this mineral are all you need to ensure optimal absorption.


 $7.68  Check Current Price

#2 – Natural Vitality Natural Calm

  • Provides 350 mg of Magnesium per serving
  • Certified gluten-free
  • Suitable for vegetarians and vegans

This supplement product is available as a simple powder you can mix into water or any other drinks in order to easily take it throughout the day without having to tolerate a unpleasant tastes or swallow oversized capsules.


 $14.37  Check Current Price

#3 – Twinlab Magnesium Caps

If you are looking for a slightly different type of magnesium supplement offers this mineral in oxidized form the new might want to consider checking out Twinlab Magnesium Caps.

  • Provides 400 mg of Magnesium Oxide per capsule
  • Available in bottles containing 100 and 200 capsules
  • Designed in a convenient one-a-day capsule formula

There is a whole lot to say about this magnesium product because the formula is very simple, but what it lacks in fancy formulation it more than makes up for in its effectiveness and value for money.


 $17.99  Check Current Price

#4 – Doctor’s Best High Absorption Magnesium

Doctor’s Best High Absorption Magnesium is another relatively simple magnesium supplement that sources its elemental magnesium in more than one form to provide your body with a higher absorption rate.

  • Provides 200 mg of Magnesium per serving
  • Includes multiple sources of Museum for maximal bioavailability
  • Available in bottles containing 60 servings
  • Suitable for vegetarians and vegans
  • Certified gluten-free


 $14.61  Check Current Price

#5 – NOW Foods Calcium & Magnesium

With its additional zinc, calcium, and vitamin D, NOW Calcium & Magnesium is an excellent product by a trusted brand that will make it very easy for you to boost your daily mineral intake.

  • Provides 500 mg of Magnesium per serving
  • Also includes Vitamin D for optimal immune function
  • Includes 1000 mg of Calcium per serving
  • Available in bottles containing 40 and 80 servings
  • Also provides 10 mg of Zinc per serving

NOW Foods is a trusted supplement brand and delivers a solid magnesium product.


$14.68  Check Current Price

#6 – Trace Minerals ConcenTrace Mineral Drops

  • Includes 250 mg of Magnesium per serving
  • Provides 690 mg of Chloride per serving
  • Also includes Potassium, Lithium, Sulphate, and Boron
  • Available in bottles containing approximately 96 servings

Using a liquid Magnesium product such as Trace Minerals ConcenTrace Mineral Drops because it enables you to drop a small amount into your water that you can sit through the day to ensure a steady supply of essential minerals.


 $15.63  Check Current Price

#7 – Country Life Calcium Magnesium Potassium

  • Contains 500 mg of Magnesium from multiple sources
  • Provides 500 mg of Calcium per serving
  • Also includes Potassium and Phosphorus for additional health benefits
  • Suitable for vegetarians and beacons
  • Certified gluten-free

If you currently aren’t using any other mineral supplements such as a multimineral then Country Life Calcium Magnesium Potassium could be exactly what you are looking for due to its additional calcium, potassium, and phosphorus content.


 $10.08  Check Current Price

#8 – Source Naturals Ultra-Mag

What we’ve got here is a magnesium supplement that goes a little bit further and some of the competition by combining five different varieties of Magnesium so that you can reap the slightly different benefits that each one has to offer.

  • Provides five different types of Magnesium for optimal bioavailability
  • Provides a total of 400 mg of Magnesium per serving
  • Available in bottles containing 60 servings
  • Contains additional Vitamin B6 to promote proper nerve health
  • Suitable for vegetarians and vegans

Once again this is a great supplement for any of you who want a more stand-alone magnesium product, but the addition of Vitamin B6 is it a smart one because it will help to promote absorption and overall utility of the minerals.


 $8.96  Check Current Price

#9 – Olympian Labs Magnesium Citrate

Magnesium Citrate by Olympian Labs is a new addition to our magnesium supplement rankings this year, offering a simple and vegetarian-friendly way for you to add magnesium to your diet in a bio-available form.


  • Provides 400 mg of Magnesium per serving
  • Available in bottles containing 33 servings
  • Suitable for vegetarians and vegans
  • Formulated to stimulate optimal enzymatic function within the body

Olympian Labs Magnesium Citrate is a fantastic choice of magnesium supplement if you are looking for a basic stand-alone magnesium product without any other unnecessary ingredients thrown into the mix.


 $17.08  Check Current Price

#10 – NOW Foods Liquid Cal-Mag


  • Enjoy your Magnesium in a tasty liquid form
  • Available in a delicious Blueberry flavour
  • Also includes Calcium and Vitamin D
  • Manufactured by one of the world’s leading sports and health supplement brands

When you purchase supplements made by a reputable brand like NOW Foods you can rest assured that you are receiving some of the very best quality and value for money that the supplement industry has to offer.


 $8.33  Check Current Price

Wrapping Things Up

So there we have it, there are a lot of different magnesium products available that NOW Foods seems to have cornered the market by featuring three times in this year’s magnesium supplement rankings.

If all you want is to add extra magnesium is your diet and keep things simple and opt for a simple stand-alone magnesium supplement… It will almost definitely work out a whole lot cheaper for you that way!

Important Notice: The information on is intended for entertainment purposes only and and does not constitute professional, medical or healthcare advice or diagnosis, and may not be used as such. The information on this site is not written, reviewed or endorsed by a medical professional, and is only to be used at your own risk. Make sure to follow label instructions for whichever product you purchase. does not assume liability for any actions undertaken after reading this information, and does not assume liability if one misuses products featured on this website. Always consult your doctor before using any products you see on this website. The results may vary about any product effectiveness.