Planetary Herbals KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule) supplement bottle
Planetary Herbals

KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule)

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Organic KSM-66®Ashwagandha Root Extract (standardized to ≥ 5% withanolides) 600 mg
Bioavailability Excellent

Absorption Rating

  • Organic KSM-66®Ashwagandha Root 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®Ashwagandha Root Extract (standardized to ≥ 5% withanolides) 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Organic KSM-66®Ashwagandha Root 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.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$26$25$24$23$22 Mar 12 $23.98
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 KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule) a good supplement?

Planetary Herbals KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule) 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 60 servings per container. Of the 3 inactive ingredients, 2 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 KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule)?

Planetary Herbals KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule) contains 1 active ingredients: Organic KSM-66®Ashwagandha Root 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, 120 Vegetarian Capsules (300 mg per Capsule) safe to take?

Planetary Herbals KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule) 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.