Nature's Bounty Milk Thistle
- Milk Thistle
- Capsule
- Milk Thistle
- 100
- Better rated than 71%
- More reviewed than 70%
A plain 175mg milk thistle softgel in a 100-count bottle, suited to people who want a single-ingredient option rather than a stacked formula.
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How it ranks among the 76 milk thistle we track
4.7★ across 1,567 Amazon ratings, Bayesian-smoothed toward the category average.
1,567 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 76 milk thistle we track - how the scorecard works · full milk thistle data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A single-ingredient milk thistle softgel from Nature's Bounty, dosed at 175mg per softgel, sold in a 100-count gluten free bottle for liver health support.
Unlike combination liver formulas that stack multiple herbs, this is a plain milk thistle product from an established supplement brand, at a lower per-serving dose than some concentrated formulas. It's a straightforward option if you want milk thistle without extra ingredients.
- 175mg milk thistle per softgel
- 100 softgels per bottle
- Gluten free
- Nature's Bounty brand
Who it's for
Fits people who want a simple, single-ingredient milk thistle supplement without dandelion, artichoke or other additions. Not for anyone seeking a higher-concentration or multi-ingredient liver formula.
Strengths and trade-offs
Drawn from this product's published specifications.
- Single-ingredient milk thistle, no added herbs
- Established supplement brand
- Lower dose than concentrated extract formulas
- No standardized silymarin percentage listed
Performance notes
At 175mg per softgel, this sits at a more modest dose than concentrated milk thistle extracts, reflecting a basic single-ingredient approach rather than a standardized-percentage extract.
Specifications
| Brand | Nature's |
|---|---|
| Model | 3491 |
| Form | Capsule |
| Supplement Type | Milk Thistle |
| Count | 100 |
| Flavor | 175 mg |
| Diet | Gluten Free |
How it compares
This product against the closest alternatives we track in milk thistle.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nature's Bounty Milk ThistleThis product | 4.7 / 5 | 1,567 | 4.3 / 5 |
| Bronson Milk Thistle Silymarin Marianum & Dandelion Extract Liver Health SupportBronson | 4.7 / 5 | 39,909 | 4.6 / 5 |
| Zazzee USDA Organic Milk Thistle 30:1 ExtractZazzee | 4.7 / 5 | 11,691 | 4.6 / 5 |
| Nutricost Milk Thistle Extract 240 Capsules for 240 Servings Per BottleNutricost | 4.8 / 5 | 4,973 | 4.6 / 5 |
| Puritan's Pride Milk Thistle 4:1 Concentration Extract 250 mgPuritan's | 4.6 / 5 | 28,107 | 4.6 / 5 |
Questions about the Nature's 3491
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How much milk thistle is in each softgel?
175mg.
How many softgels are in the bottle?
100.
Does this contain gluten?
No, it's labeled gluten free.


