Selenium
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
Brewer's Yeast, Vegetable Cellulose, Stearic Acid, Silica, Vegetable Magnesium Stearate
Recommended Use
Directions: For adults, take one (1) tablet daily, preferably with a meal.
Warnings
Contains wheat ingredients. Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Avoid this product if you are allergic to yeast. 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 Selenium's Formulate score?
Nature's Bounty Selenium 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 Nature's Bounty Selenium worth it?
Nature's Bounty Selenium 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 Nature's Bounty Selenium?
Each serving contains Selenium (200 mcg). Serving size: 1 Tablet(s). 100 servings per container.
How do I take selenium?
Directions: For adults, take one (1) tablet daily, preferably with a meal.
Who makes Selenium?
Selenium 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 Selenium third-party tested?
Nature's Bounty lists the following certifications and testing for this product: Vegetarian, 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.