Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets supplement bottle
Planetary Herbals

Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
71
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Milk Thistle Seed ExtractYielding 420 mg Silymarin 840 mg †
Milk Thistle Seed 200 mg †
Bioavailability Fair

Absorption Rating

  • Milk Thistle Seed ExtractYielding 420 mg Silymarin Good
  • Milk Thistle Seed Poor
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Stearic Acid
  • Modified Cellulose Gum
  • Silica
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Milk Thistle Seed ExtractYielding 420 mg Silymarin 840 mg High
  • Milk Thistle Seed 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Milk Thistle Seed ExtractYielding 420 mg Silymarin 840 mg †
Milk Thistle Seed 200 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Modified Cellulose Gum Generally_safe

It is used to improve the texture and stability of products.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

iHerb $15.61 $0.52 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 Mar 12 $15.00
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
Planetary Herbals

Founded 1980 · Scotts Valley, California, United States · 156 products · planetaryherbals.com/

Certifications

4 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

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

Violation History

1 incident
Prop 65 Lead2015-07-22Source
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Frequently Asked Questions
Is Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets a good supplement?

Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Planetary Herbals, holds a brand trust score of 78/100 with 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, Usda Organic.

What are the ingredients in Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets?

Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets contains 2 active ingredients: Milk Thistle Seed ExtractYielding 420 mg Silymarin (840 mg), Milk Thistle Seed (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 Tablets safe to take?

Planetary Herbals Full Spectrum™ Milk Thistle Seed Extract, 120 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 Planetary Herbals a trustworthy supplement brand?

Planetary Herbals receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Scotts Valley, California, United States, the company offers 156 products in their lineup. They hold 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Planetary Herbals 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.