NaturesPlus Herbal Actives, Milk Thistle, Extended Release, 500 mg, 30 Tablets supplement bottle
NaturesPlus

Herbal Actives, Milk Thistle, Extended Release, 500 mg, 30 Tablets

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Milk Thistle (Silybum marianum seed) (standardized 80% [400 mg] silymarin‡) 500 mg
Bioavailability Very Poor

Absorption Rating

  • Milk Thistle (Silybum marianum seed) (standardized 80% [400 mg] silymarin‡) Poor
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • Microcrystalline Cellulose
  • Di-Calcium Phosphate
  • Stearic Acid
  • Magnesium Stearate and Silica
Efficacy Excellent

Dosage Analysis

  • Milk Thistle (Silybum marianum seed) (standardized 80% [400 mg] silymarin‡) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Milk Thistle (Silybum marianum seed) (standardized 80% [400 mg] silymarin‡) 500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Di-Calcium Phosphate Generally_safe

It is used as a filler or source of calcium and phosphorus.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate and Silica Generally_safe

It is used to improve powder flow and prevent sticking during manufacturing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$21$20$19$18 Mar 12 $20.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NaturesPlus

Founded 1972 · Melville, New York, United States · 420 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
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Frequently Asked Questions
Is NaturesPlus Herbal Actives, Milk Thistle a good supplement?

NaturesPlus Herbal Actives, Milk Thistle, Extended Release, 500 mg, 30 Tablets received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 59/100.

What are the ingredients in NaturesPlus Herbal Actives, Milk Thistle?

NaturesPlus Herbal Actives, Milk Thistle contains 1 active ingredients: Milk Thistle (Silybum marianum seed) (standardized 80% [400 mg] silymarin‡) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Herbal Actives, Milk Thistle safe to take?

NaturesPlus Herbal Actives, Milk Thistle, Extended Release, 500 mg, 30 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 420 products in their lineup. Note: NaturesPlus has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.