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Ultimate Ashwagandha 250 mg KSM-66

Swanson
4.7
★ ★ ★ ★ ★
(5109 ratings)
Ashwagandha 250 mg
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Score87
KSM-66 is a named root-only extract with strong form recognition and clear dose disclosure. The supplied data does not state the exact withanolide percentage, limiting active-marker verification.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:

Score 87

KSM-66 is a named root-only extract with strong form recognition and clear dose disclosure. The supplied data does not state the exact withanolide percentage, limiting active-marker verification.
How scoring works
$14.29($0.23 per serving)
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$ 14.29
Amazon
$ 14.29
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$ 14.29
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Analysis

KSM-66 root extract supplies 250 mg in one capsule. KSM-66 is a named root-only extract with strong form recognition and clear dose disclosure.

The moderate amount suits stress, mood, energy, and exercise-support routines, though some users may prefer a larger studied serving. One capsule and a low serving cost make it easy to trial or use consistently.

The supplied data does not state the exact withanolide percentage, limiting active-marker verification. Start with the lowest practical serving and judge tolerance before making it a regular part of the routine.

Who is it for
  • Adults seeking root-only KSM-66
  • People starting with a moderate amount
  • Users focused on stress or exercise support
Best for
  • KSM-66 supplementation
  • Simple daily stress support
  • One-capsule routines

Pros

  • Uses named KSM-66 root extract
  • Clear 250 mg amount
  • One-capsule serving
  • Low serving cost

Cons

  • Withanolide percentage is not supplied
  • Amount may be modest for some routines
  • No complementary stress-support ingredient

Warnings

  • Ashwagandha may cause drowsiness or stomach upset; avoid combining it with sedatives until individual effects are known.
  • Avoid ashwagandha during pregnancy, and seek guidance during breastfeeding because safety is not established.
  • Ashwagandha may affect thyroid function and can complicate dosing of thyroid medicines.
  • Stop use and seek care for jaundice, dark urine, or severe fatigue because rare liver injury has been reported with ashwagandha.

Nutrient quality

92 Highest impact

KSM-66 is a well-characterized branded root extract with reliable identity. Branded root-extract quality is a strength, while the lighter dose may require individual adjustment.

Ingredient transparency

88 Highest impact

The extract amount is stated clearly. No proprietary blend hides the listed active doses.

Customer satisfaction

72 High impact

The supplied average is strong, with very large response volume. Complaint patterns and purpose-related experiences are not supplied.

Value for money

94 Highest impact

Formula quality appears strong for the asking price. Each serving offers fair value for the active dose supplied.

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Ingredients

IngredientAmount per serving
KSM-66 Ashwagandha extract
250 mg
Adults 18–50
Report overview
Ashwagandha · 250 mg OverallScore80
A- Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value

Reported customer feedback averages 4.68 out of 5 across 5,065 reviews. A clinically studied branded extract provides strong ingredient-form quality; the exact milligram quantity is transparent, but dose alignment is limited or uncertain. Ashwagandha may affect thyroid function and has rare liver-injury reports, so pregnancy, thyroid or liver concerns, and potentially interacting medicines warrant clinician guidance.

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89 Performance

Anxiety & Stress Relief

Nature's Bounty
<p>A 600 mg withanolide-standardized ashwagandha extract is paired with 200 mg L-theanine for broader stress support. The original already uses KSM-66, so a higher milligram number alone does not guarantee a better match. L-theanine adds a separate calming pathway but may be unnecessary for users seeking ashwagandha alone.</p>
88 Performance

Ashwagandha

HTP Hi-Tech Pharmaceuticals
<p>Sensoril, KSM-66, and Ashwapure extracts combine root-and-leaf and root-only approaches with stated standardization markers. The original already uses KSM-66, so a higher milligram number alone does not guarantee a better match. The multi-extract design broadens the profile, though the repeated form listings make total active exposure harder to interpret.</p>
87 Performance

Stress & Anxiety Relief

Solgar
<p>A 600 mg withanolide-standardized extract plus 28 mg saffron broadens stress and mood support beyond a single-ingredient product. The original already uses KSM-66, so a higher milligram number alone does not guarantee a better match. Saffron raises cost and complexity, so the advantage depends on wanting both ingredients.</p>
84 Budget

Ashwagandha Root Extract

Solgar
<p>A standardized 300 mg withanolide extract plus 100 mg root powder provides a clear, focused ashwagandha formula. It is one of the lowest-priced eligible alternatives, although it does not cost less than the original. The exact withanolide percentage is not stated, which limits direct potency comparison.</p>
82 Budget

Ashwagandha 500 mg

Nature's Way
<p>A 500 mg root extract standardized to withanolides offers a simple higher-amount option without unrelated ingredients. It is one of the lowest-priced eligible alternatives, although it does not cost less than the original. A named extract and exact withanolide percentage are not provided.</p>
83 Budget

Organic Ashwagandha

Himalaya
<p>Root powder, a withanolide-standardized extract, and a supercritical CO2 extract provide multiple ashwagandha forms in one formula. It is one of the lowest-priced eligible alternatives, although it does not cost less than the original. The combined approach is broader, but the contribution of each form is not directly comparable to a single branded extract.</p>
86 Value

Ashwagandha With Sensoril 125 mg

Doctor's Best
<p>A 250 mg root-and-leaf extract standardized to withanolide glycosides provides a concise, clearly defined alternative. It is one of the lowest-priced eligible alternatives, although it does not cost less than the original. The serving cost is justified mainly by standardization rather than exceptional dose depth.</p>
84 Value

Ashwagandha

Pure Encapsulations
<p>A 500 mg root extract standardized to withanolides offers substantial single-ingredient coverage with no added botanicals. It is one of the lowest-priced eligible alternatives, although it does not cost less than the original. The unnamed extract and undisclosed withanolide percentage keep value from being fully established.</p>
81 Value

Ashwagandha Root Extract 470 mg

Solaray
<p>A 470 mg root extract provides a straightforward, relatively high-amount capsule option. It is one of the lowest-priced eligible alternatives, although it does not cost less than the original. Standardization is not stated, so the lower information quality offsets some of the apparent dose value.</p>
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