Nutricost KSM-66 Ashwagandha Root Extract 600mg, 60 Veggie Caps - 5% Withanolides - with BioPerine - Full-Spectrum Root Extract Review
Our verdict
A budget-priced KSM-66 ashwagandha capsule that pairs a standardized extract with BioPerine, and one of the highest-volume sellers in this batch by a wide margin. It is a straightforward, no-frills option for people who want a named extract type without paying a premium.
Check price on AmazonBest for
Buyers who want a specific, standardized KSM-66 extract with BioPerine included at a lower price point than many competing brands.
Skip if
You have a milk allergy or sensitivity, since the label lists milk among the allergen information, or you want a flavored or powder format.
- Form Capsules
- Count 60.00 Count
- Flavor Flavor Is Not Applicable To This Product
- Diet Gluten Free
- Allergens Milk
- Priced 25% below the category median ($19.99 across 84 tracked models)
Pros
- Named KSM-66 full-spectrum extract standardized to 5% withanolides
- Includes BioPerine, a commonly paired absorption-support ingredient
- Low price relative to other KSM-66 branded capsules
- Very high recent purchase volume alongside a strong 4.6 rating
- Gluten free formulation
Cons
- Allergen information lists milk, which matters for anyone avoiding dairy-derived ingredients
- No flavor or powder option, only a standard veggie capsule
- Standard 60-count bottle offers only a one-month supply at typical serving sizes
Our scorecard
-
Owner rating4.6/5
4.6 average across 4,002 owner ratings
-
Popularity4.3/5
4,002 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
Nutricost's capsules are built around KSM-66, a named full-spectrum ashwagandha root extract standardized to 5% withanolides, at 600mg per serving. The brand also adds BioPerine, a black pepper extract commonly included in supplements alongside other active ingredients, and packages it in 60 veggie capsules.
At $14.95, it is priced well below many other KSM-66 products in this category, and the label lists it as gluten free. The allergen information does note milk, which is worth checking if that is a concern.
What stands out most is the purchase volume: about 20,000 units sold in the last month against 4,002 ratings at a 4.6 average, by far the highest monthly volume of the products covered here, suggesting this is one of the more popular value picks in the ashwagandha category.
Specifications
| Form | Capsules |
|---|---|
| Count | 60.00 Count |
| Flavor | Flavor Is Not Applicable To This Product |
| Diet | Gluten Free |
| Allergens | Milk |
Performance notes
Each veggie capsule delivers 600mg of KSM-66 ashwagandha root extract standardized to 5% withanolides, plus BioPerine, in a 60-count bottle. The label marks it gluten free but flags milk in the allergen section, so it is not a dairy-free product despite being plant-derived in its main ingredient.
What buyers say
With 4,002 ratings at a 4.6 average and about 20,000 units sold in the past month, this is the highest-volume product in this group of ashwagandha listings, pointing to broad, sustained demand at its price point.
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Frequently asked questions
What does KSM-66 mean on this label?
KSM-66 is a specific, named full-spectrum ashwagandha root extract that Nutricost standardizes to 5% withanolides. It is one of the more widely referenced extract names used across the ashwagandha supplement category.
Why is BioPerine included?
BioPerine is a black pepper extract that many supplement makers add to formulas alongside other active ingredients. Nutricost lists it as part of this capsule's formula.
Does this product contain milk?
The allergen information on the label lists milk, so anyone avoiding dairy-derived ingredients should check the full label before buying. It is otherwise marked gluten free.