Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg supplement bottle
Planetary Herbals

KSM-66 Ashwagandha Root Extract 300 mg Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · Page generated: Sep 2026
100
Product Score Excellent
91
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Organic KSM-66® AshwagandhaRoot Extract(standardized to > 5% withanolides) 600 mg †
Bioavailability Excellent

Absorption Rating

  • Organic KSM-66® AshwagandhaRoot Extract(standardized to > 5% withanolides) Good
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose (Capsule)
  • Stearic Acid
  • Silica and Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Organic KSM-66® AshwagandhaRoot Extract(standardized to > 5% withanolides) 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Organic KSM-66® AshwagandhaRoot Extract(standardized to > 5% withanolides) 600 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose (Capsule) Safe

It is used to encapsulate supplement ingredients.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica and Magnesium Stearate Generally_safe

It is used as a flow agent to prevent clumping and sticking.

Brand Trust Report
Planetary Herbals

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

Certifications

4 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Gmp Source available Primary evidence
Usda Organic Source available Primary evidence

Transparency

3 claims
Third Party Testing Claim — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence

Violation History

1 incident
Prop 65 Lead2015-07-22 Source available Primary source
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Frequently Asked Questions
Is Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg a good supplement?

Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Planetary Herbals, holds a brand trust score of 91/100.

What are the ingredients in Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg?

Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg contains 1 active ingredients: Organic KSM-66® AshwagandhaRoot Extract(standardized to > 5% withanolides) (600 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Planetary Herbals KSM-66 Ashwagandha Root Extract 300 mg. All 3 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. 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 91/100 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. 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 — read our methodology. 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.