Magnesium Citrate Pure Powder
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Recommended Use
Suggested Usage: Mix 1 level teaspoon of powder into at least 8 oz. of cold water or clear liquid until fully dissolved. To fully dissolve, add powder slowly while stirring. Once prepared, this mixture may be added to smoothies or juices as desired. Take once daily with a meal. Pure magnesium citrate powder can increase the temperature of liquids upon contact; therefore, the recommended serving MU
Warnings
Caution: This product must be dissolved into at least 8 oz. of cold water or clear liquid before consuming. Do not breathe powder and avoid contact with skin and eyes. For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredie
Frequently Asked Questions
What is NOW Foods Magnesium Citrate Pure Powder's Formulate score?
NOW Foods Magnesium Citrate Pure Powder scores 84 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is NOW Foods Magnesium Citrate Pure Powder worth it?
NOW Foods Magnesium Citrate Pure Powder scores 84/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in NOW Foods Magnesium Citrate Pure Powder?
Each serving contains Magnesium (450 mg). Serving size: 3 Gram(s). 76 servings per container.
How do I take magnesium citrate pure powder?
Suggested Usage: Mix 1 level teaspoon of powder into at least 8 oz. of cold water or clear liquid until fully dissolved. To fully dissolve, add powder slowly while stirring. Once prepared, this mixture may be added to smoothies or juices as desired. Take once daily with a meal. Pure magnesium citrate powder can increase the temperature of liquids upon contact; therefore, the recommended serving MUST be mixed into at least 8 oz. of cold liquid to neutralize this reaction prior to ingestion.
Who makes Magnesium Citrate Pure Powder?
Magnesium Citrate Pure Powder is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods Magnesium Citrate Pure Powder third-party tested?
NOW Foods lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.