Milk Thistle
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
| Ingredient | Amount |
|---|---|
| Milk Thistle extract | 250 mg |
Certifications & Testing
Other Ingredients
Soybean Oil, Gelatin, Vegetable Glycerin, Contains Less Than 2% of
Recommended Use
Directions: For adults, take one (1) softgel once or twice daily, preferably with a meal.
Warnings
Contains soy 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 ragweed or daisy-like flowers. Discontinue use and consult your doctor if any adverse reactions occur. Not intended for use by persons under the age of 18. Keep out of reach of children. Do not use if seal u
Frequently Asked Questions
What is Nature's Bounty Milk Thistle's Formulate score?
Nature's Bounty Milk Thistle scores 76 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 Nature's Bounty Milk Thistle worth it?
Nature's Bounty Milk Thistle scores 76/100 (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 Nature's Bounty Milk Thistle?
Each serving contains Milk Thistle extract (250 mg). Serving size: 1 Softgel(s). 50 servings per container.
How do I take milk thistle?
Directions: For adults, take one (1) softgel once or twice daily, preferably with a meal.
Who makes Milk Thistle?
Milk Thistle 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 Milk Thistle 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.