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Physician's

Physician's CHOICE KSM-66 Ashwagandha Root Powder Extract 1

  • Ashwagandha
  • Capsule
  • 60
  • Ashwagandha
4.5/ 5 on Amazon7,573Amazon ratings3,000+bought last month4.4ProductDome score
  • More reviewed than 94%
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a standardized 5% withanolide ashwagandha extract in vegan capsules

A standardized KSM-66 ashwagandha extract at 1,000mg per serving with black pepper for absorption, aimed at buyers who want a documented extract rather than plain root powder.

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ProductDome scorecard

How it ranks among the 84 ashwagandha we track

4.4/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.5★4.5

4.5★ across 7,573 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 879 ratings4.8

7,573 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score4.7

3,000+ bought on Amazon last month.

Data quality · 11% of score2.5

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 84 ashwagandha we track - how the scorecard works · full ashwagandha data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Physician's Choice KSM-66 Ashwagandha Root Powder Extract delivers 1,000mg of organic ashwagandha per serving in 60 vegan capsules, paired with black pepper extract for absorption and standardized to 5% withanolides.

KSM-66 is a specific, named ashwagandha extract, and this listing states that standardization along with the 5% withanolide content, the active compound group tied to ashwagandha's effects. Black pepper extract is included to aid absorption, a common pairing in supplement formulas. The capsules are vegan and free of the major allergens listed.

  • 1,000mg organic KSM-66 ashwagandha per serving
  • 5% withanolide standardization
  • Black pepper extract included
  • 60 vegan capsules

Who it's for

Suits people looking for a standardized ashwagandha extract rather than a generic root powder, particularly those wanting a vegan capsule. Not the right pick for anyone avoiding black pepper additives, since it is built into this formula for absorption.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Standardized to 5% withanolides
  • Includes black pepper for absorption
  • Free of eight common allergens
What to check first
  • No reviews data to confirm real-world effects
  • No description text provided in the listing

Performance notes

Each serving delivers 1,000mg of organic KSM-66 ashwagandha extract standardized to 5% withanolides, with black pepper extract included specifically to improve absorption. The 60-capsule count runs about a month at one capsule daily, though the label does not spell out serving size beyond that. It is manufactured free of dairy, egg, gluten, nut, shellfish and soy per the allergen list.

Specifications

BrandPhysician's
Model854226008254
FormCapsule
Count60
FlavorAshwagandha
DietVegan
AllergensDairy Free, Egg Free, Gluten Free, Non-GMO, Nut Free, Shellfish Free, Soy Free,

How it compares

This product against the closest alternatives we track in ashwagandha.

ProductAmazon ratingRatingsProductDome score
Physician's CHOICE KSM-66 Ashwagandha Root Powder Extract 1This product4.5 / 57,5734.4 / 5
Himalaya Organic Ashwagandha RootHimalaya4.6 / 513,1184.6 / 5
Youtheory AshwagandhaYoutheory4.7 / 55,7474.6 / 5
Gaia Herbs Ashwagandha Root 350 mgGaia4.6 / 56,9424.5 / 5
Bronson Ashwagandha Extra Strength Stress & Mood Support with BioPerineBronson4.6 / 56,8094.5 / 5
Frequently asked

Questions about the Physician's 854226008254

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What is KSM-66 in Physician's Choice Ashwagandha?

It is the standardized ashwagandha root extract used here, set to 5% withanolides.

Does Physician's Choice Ashwagandha include black pepper?

Yes, black pepper extract is added to aid absorption.

Are Physician's Choice Ashwagandha capsules vegan?

Yes, all 60 capsules are vegan.