Dr Mercola Magnesium L-Threonate (90 Caps)


As you grow older, your body becomes less efficient in absorbing important vitamins and minerals. So, despite a healthy diet rich in fresh organic vegetables, you may still come up short in certain nutrients.

One such mineral is magnesium. Experts believe that as many as 80 percent of Americans don’t get enough. Because there are no reliable lab tests for magnesium, you have no way of knowing where you stand. Fatigue and weakness may be your only clues that you’re low!

Magnesium is essential for building both your bones, and your DNA and genetic materials. It also helps your body detoxify.

So why Magnesium L-Threonate? This form of magnesium is preferred over other types for several reasons, including:

  • Has superior absorption characteristics of any form of magnesium
  • Has high cellular penetration characteristics to allow it to cross your blood-brain barrier and penetrate cell membranes*
  • Significantly reduces GI discomfort, unlike other forms of magnesium that can cause gastrointestinal discomfort and loose stools (Magnesium L-Threonate does not act as a laxative)*

Plus, Magnesium L-Threonate does not contain any genetically engineered (GE) ingredients nor does it contain magnesium stearate, a form of magnesium that I don’t recommend.

Magnesium L-Threonate now has a new form and look…

  • Fewer capsules delivers the same 2,000 mg of patented Magtein™ Magnesium L-Threonate in 3 powder dose capsules instead of 4 liquid doses
  • New packaging – now comes in a more eco-friendly glass bottle

Fortunately, you too can achieve wellness on both physical and mental fronts, and you can do so at any age. The bottom line... you don't have to just reluctantly accept aging and "senior moments" as inevitable with nothing you can do to make your life more enjoyable and full of vitality.

My 'Must-Haves' for High-Quality Magnesium Supplementation

My preferred approach when recommending any supplement is to first compile a list of the essential requirements. With magnesium, here's the list my team and I put together that I feel is an excellent guideline to help you "weed-out" those supplements that fail to make the grade.

For a high-quality magnesium supplement, make sure it...

 Completely avoids magnesium stearate – Magnesium stearate is not a source of magnesium. It is in fact a “flow agent” used in production that prevents supplements from sticking together. It can potentially inhibit absorption of nutrients in your digestive tract.

Delivers a high-absorption formula – It’s not just about the amount of elemental magnesium found in the supplement. The formula must have high-absorption capabilities.

Incorporates high-penetration characteristics – Absorption of magnesium is crucial but it’s also important that the nutrient is capable of penetrating key tissues and cells to be effective.

Takes advantage of a high-technology encapsulation and delivery system – The total formula package must include a high-quality encapsulation and delivery system to help ensure consistent protection and delivery of the mineral. In my opinion, some manufacturers really fall short in this area by employing “cheap” solutions.

Helps manage potential discomfort – Many magnesium products are used as laxatives and antacids. Since these are not the driving-force behind this magnesium supplement, I recommend avoiding any that are specific to stool-softening and so-called indigestion aids.

Provides practical, easy-to-take “servings” – Supplement servings must be practical to fit into anyone’s busy schedule. Serving size should be straight-forward with well-defined guidelines.

Is delivered by a reputable high-quality manufacturer – With years of experience, the manufacturer of the magnesium formula should have a distinguished reputation for producing consistent high-quality supplements. 

With some confusion out there about the use of magnesium stearate in supplements, I feel even more straight-talk is needed as to why you should...

Steer Clear of This 'Pretender'

Many supplement manufacturers add magnesium stearate to their formulas. However, it's not only something I don't recommend; in my opinion, it's something to seriously watch out for and avoid in any supplement you take.

But why is that... isn’t magnesium stearate a form of the mineral itself? Here’s why I strongly recommend you scrutinize any supplement and don’t go near it if contains this compound because magnesium stearate...

Is not a source of magnesium to help boost your bodily supply

Is a chalk-like lubricating compound used to prevent supplements from sticking together during the manufacturing process

May be sourced from genetically engineered (GE) hydrogenated oils

The bottom line with magnesium stearate... I believe you should avoid it completely. If you're taking a supplement, make sure it's a high-quality food-based supplement that does not contain potentially harmful fillers and additives like magnesium stearate. And that certainly applies when selecting a high-quality magnesium supplement.



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