NOW Magnesium Capsules

NOW Magnesium Capsules

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  • 1 pill provides 400 mg magnesium
  • Claimed to be a required cofactor for 300 enzymes
  • Stated to be critical for energy production and metabolism
  • Reportedly aids nerve impulse transmission and bone mineralization
  • GMP quality–assured, NPA A-rated
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Pros & Cons

What we like ...
  • Several reports of decreased restless legs
  • Many found it promotes sleep
  • Easy-to-swallow
  • Relatively affordable
  • Kosher-, vegan-, and soy-free
  • Keto, non-GMO, and halal
What needs improvement ...
  • May have a laxative affect
  • Reports of receiving fewer pills in bottle than advertised

Product Summary



No flavor

Serving size:

1 capsule

Servings per container:


Key nutritional information:

400 mg magnesium



GGR Community Reviews

NOW Magnesium Capsules

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      NOW Magnesium pills each contain 400 milligrams of magnesium, which NOW claims to be a necessary cofactor for 300 enzymes and critical for energy production, metabolism, nerve impulse transmission, and bone mineralization. This supplement is GMP quality–assured and NPA A-rated. However, there are some who experienced laxative effects when taking this.