Magnesium 300 mg Capsules
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
Hypromellose, Ascorbyl Palmitate, Rice Husk Concentrate
Recommended Use
Suggested Use: Adults take 2 capsules any time of day with food and a beverage. Once open, consume within three months.
Warnings
Keep out of reach of children.
Frequently Asked Questions
What is MegaFood Magnesium 300 mg Capsules's Formulate score?
MegaFood Magnesium 300 mg Capsules scores 72 out of 100 (grade B) 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 MegaFood Magnesium 300 mg Capsules worth it?
MegaFood Magnesium 300 mg Capsules scores 72/100 (grade B). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in MegaFood Magnesium 300 mg Capsules?
Each serving contains Magnesium (300 mg), Spinach (50 mg). Serving size: 2 Capsule(s). 60 servings per container.
How do I take magnesium 300 mg capsules?
Suggested Use: Adults take 2 capsules any time of day with food and a beverage. Once open, consume within three months.
Who makes Magnesium 300 mg Capsules?
Magnesium 300 mg Capsules is made by MegaFood. See Formulate's full grade and product lineup for MegaFood on its brand page.
Is MegaFood Magnesium 300 mg Capsules third-party tested?
MegaFood lists the following certifications and testing for this product: 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.