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NatureWise Ashwagandha for Stress (KSM-66 blend)
Product analysis · NatureWise

NatureWise Ashwagandha for Stress (KSM-66 blend)

KSM-66 · Capsule

Why this score?
Testing & evidence
20/25
Ingredient/formulation quality
12/20
Value
9/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
5/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 20/25
$22.99Amazon
CapsuleFormat
600 mg extractDaily dose
60 capsulesPack size
$0.38Price/day
Buy Now on Amazon Compare alternatives

We may earn a commission from qualifying purchases. This never affects our scores.

The score, explained

Our scoring methodology
Testing & evidence80.3/100
20 points contributed · weighting 25
Ingredient/formulation quality60/100
12 points contributed · weighting 20
Value47/100
9 points contributed · weighting 20
Dose transparency95/100
14 points contributed · weighting 15
Manufacturer transparency85/100
9 points contributed · weighting 10
Label/ingredient transparency50/100
5 points contributed · weighting 10

The score compares product data, not medical effectiveness or individual suitability. Prime and affiliate commission contribute no points.

Testing & evidence

Verified independent evidence

Evidence status
Verified independent evidence
Manufacturer statement
Product page states: 'Every batch of Ashwagandha KSM-66® is independently tested by a third-party laboratory...' and the downloadable Certificate of Analysis names AGROLAB LUFA GmbH and says the sample code 'Ashwagandha KSM-66' was examined for the listed parameters.
Laboratory
AGROLAB LUFA GmbH
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-15 18:21:17

Dose & value

Daily dose
600 mg extractWithin commonly studied range
Serving size
1 capsule daily
Pack size
60 capsules
Servings per day
1
Price per day
$0.38
Price last checked
2026-09-15 12:52:11

Daily cost follows the label serving. The value score uses the category’s documented comparison method. The label serving is not a recommendation for your personal intake.

Product sources & research notes

Listing and manufacturer details describe the label; they do not independently verify product claims. Check the current pack before use.

Formulation & extract

Branded extract
KSM-66 ↗
Branded extract authenticity
Verified
Plant part used
Root only
Extraction method
Undisclosed
Extract ratio
Not disclosed
Actual extract mass per serving
600 mg extractWithin commonly studied range
Withanolides per day
Not disclosed
Dose transparency
Dose: Clear

Formula & provenance

Formula type
Ashwagandha + supporting ingredient(s)
Resemblance to studied formulations
Unknown
Botanical origin (growing country)
Not disclosed
Manufacturing country
United States
Organic certification
Not claimed

"Resemblance to studied formulations" describes how closely this product's extract, form and dose match preparations used in published research - it is not a claim that the product itself has been clinically tested, and it does not mean the product "works" for any individual.

Ingredients & suitability

Vegan Vegetarian

Excipients
Not disclosed — check the current label
Allergens
Amazon allergen information: Gluten Free; NON-GMO, VEGAN: These capsules are vegan, and do not contain wheat, gluten, eggs, soy, dairy, tree nuts, peanuts, fish, or shellfish.; This product is labelled to United States standards and may differ from similar products sold elsewhere in its ingredients, labeling and allergen warnings; NatureWise Ashwagandha for Stress is vegan, gluten-free, and does not contain wheat, gluten, eggs, soy, dairy, tree nuts, peanuts, fish, or shellfish.
Carrier / source
Not disclosed — check the current label
Other active ingredients
GABA, L-Theanine, Rhodiola Rosea

Manufacturer transparency

Brand
NatureWise
Legal company
HeartWise, Inc. (d/b/a NatureWise)
Manufacturing model
Third-party contract manufacturing
Manufacturing location
United States

View the full brand profile →

What the record makes clear

  • Active amount is disclosed.
  • Daily cost can be calculated from the recorded serving.

What to keep in mind

  • Verify the current label and the batch covered by any testing report.
  • A product score cannot determine whether you need a supplement.

Explore the alternatives

Compare alternative

Nutricost KSM-66 Ashwagandha Root Extract (600mg) 60 Capsules | 5% Withanolides & BioPerine

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
16/20
Value
18/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
5/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Nutricost product page says: “Third-Party Tested †” and “Third-Party Tested † Nutricost products are tested by an independent, accredited lab to help verify that what’s on the label is what’s in the bottle.”
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-13 19:32:46
$0.25per day
$14.95per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Horbaach Ashwagandha Max Strength

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
10/20
Value
20/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
5/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Amazon listing says: "SOIL ASSOCIATION CERTIFIED ORGANIC: Our product has gone through rigorous checks and has been thoroughly tested to acquire all necessary approvals to be certified Organic by the prestigious Soil Association." Horbaach's own site also says: "We put our products to the test..." and "test each individual product to ensure it meets our strict Quality Assurance Standards," but I did not find an independently verifiable product-specific certificate/registry entry or COA for this exact product.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-15 18:22:25
$0.06per day
$7.79per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Vitamatic KSM-66 Ashwagandha Root Extract + Bioperine

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
13/20
Value
16/20
Dose transparency
12/15
Manufacturer transparency
7/10
Label/ingredient transparency
5/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says the product is "Lab Tested" and the brand says it is "committed to quality, ensuring that all products meet rigorous safety and efficacy standards."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-15 18:14:29
$0.50per day
$14.99per pack
View AnalysisBuy Nowon Amazon