Magnesium
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
Other Ingredients
Vegetable Cellulose, Dicalcium Phosphate, Contains Less Than 2% of
Recommended Use
Directions: For adults, take one (1) tablet daily, preferably with a meal.
Warnings
Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children. Do not use if seal under cap is broken or missing.
Frequently Asked Questions
What is Nature's Bounty Magnesium's Formulate score?
Nature's Bounty Magnesium scores 80 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 Nature's Bounty Magnesium worth it?
Nature's Bounty Magnesium scores 80/100 (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 Nature's Bounty Magnesium?
Each serving contains Magnesium (500 mg). Serving size: 1 Tablet(s). 100 servings per container.
How do I take magnesium?
Directions: For adults, take one (1) tablet daily, preferably with a meal.
Who makes Magnesium?
Magnesium is made by Nature's Bounty. See Formulate's full grade and product lineup for Nature's Bounty on its brand page.
Is Nature's Bounty Magnesium third-party tested?
Nature's Bounty lists the following certifications and testing for this product: Gluten-Free, Dairy-Free, Sugar-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.