Natural Factors Stress-Relax® Ashwagandha, 600 mg, 30 Vegetarian Capsules supplement bottle
Natural Factors

Stress-Relax® Ashwagandha, 600 mg, 30 Vegetarian Capsules

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 5 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Organic KSM-66 Ashwagandha® Extract (Withania somnifera) (root) (5% withanolides) 600 mg
Bioavailability Excellent

Absorption Rating

  • Organic KSM-66 Ashwagandha® Extract (Withania somnifera) (root) (5% withanolides) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetarin capsule (pullulan, purified water)
  • Organic Rice Hull Powder
  • Organic Tapioca Maltodextrin
  • Organic Rice Extract
  • Organic Gum Arabic
  • Organic Sunflower Oil
Efficacy Excellent

Dosage Analysis

  • Organic KSM-66 Ashwagandha® Extract (Withania somnifera) (root) (5% withanolides) 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Organic KSM-66 Ashwagandha® Extract (Withania somnifera) (root) (5% withanolides) 600 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetarin capsule (pullulan, purified water) Unknown
Organic Rice Hull Powder Generally_safe

It is used as a flow agent to prevent clumping.

Organic Tapioca Maltodextrin Generally_safe

It is used as a filler, binder, or carrier for other ingredients.

Organic Rice Extract Generally_safe

It is added for its potential health benefits.

Organic Gum Arabic Generally_safe

It is used as a thickener, emulsifier, or stabilizer.

Organic Sunflower Oil Safe

Carrier oil for fat-soluble vitamins.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$15$14$13$12$11 Mar 12 $13.27
Vitacost

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

Brand Trust Report
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 390 products · naturalfactors.com

Certifications

5 certifications
B Corp Certified Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

5 incidents
Prop 65 Lead2025-10-31Source
Recall Hi Potency B Complex, RevitalX, Super Multi® IRON FREE2024-07-19Source
Lawsuit Products labeled as containing glucosamine sulfate did not contain the ingredient.2021Source
Prop 65 Lead2016-01-13Source
Recall Natural Factors L-Arginine 500mg2006-04-05Source
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Frequently Asked Questions
Is Natural Factors Stress-Relax® Ashwagandha, 600 mg a good supplement?

Natural Factors Stress-Relax® Ashwagandha, 600 mg, 30 Vegetarian Capsules 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. Of the 6 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Stress-Relax® Ashwagandha, 600 mg?

Natural Factors Stress-Relax® Ashwagandha, 600 mg contains 1 active ingredients: Organic KSM-66 Ashwagandha® Extract (Withania somnifera) (root) (5% withanolides) (600 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Stress-Relax® Ashwagandha, 600 mg safe to take?

Natural Factors Stress-Relax® Ashwagandha, 600 mg, 30 Vegetarian Capsules 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 Natural Factors a trustworthy supplement brand?

Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 historical regulatory incidents 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.