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#6 in Herbal Supplements Third-Party Tested

Nutricost KSM-66 Ashwagandha 600mg (90 Capsules)

by Nutricost

"KSM-66 ashwagandha at 600mg — the most clinically studied ashwagandha extract at budget pricing"

Amazon Rating
4.5/5
Reviews
18,200+
Price Range
$18-24
Servings
90 servings
GMP CertifiedNon-GMOGluten Free
Our Editorial Rating
8.4
Very Good
FormCapsule
SubcategoryAshwagandha KSM-66 (Budget, Root Extract)
View on Amazon

Overview

Nutricost KSM-66 Ashwagandha provides 600mg of KSM-66, the most clinically studied ashwagandha root extract with over 24 gold-standard clinical trials. KSM-66 is a full-spectrum extract standardized to 5% withanolides, produced using a unique extraction process that uses only the root (not leaves). Research supports KSM-66 for stress reduction, cortisol lowering, testosterone support, and cognitive function. The 90-capsule count provides a 3-month supply.

Key Ingredients

IngredientAmount
KSM-66 Ashwagandha Root Extract600 mg
Withanolides (5%)30 mg

Pros & Cons

What We Like

  • KSM-66 — most studied ashwagandha
  • 600mg clinical dose
  • 24+ clinical trials
  • 90 capsules = 3-month supply
  • 18,200+ reviews, 4.5 stars

What Could Be Better

  • Not Sensoril (different extract)
  • Budget brand
  • May cause drowsiness
  • Not for thyroid medication users

Who Is This For?

Best For

  • Stress and cortisol management
  • Budget KSM-66 needs
  • Testosterone support
  • Those wanting most-studied ashwagandha

Not Ideal For

  • Those on thyroid medications
  • Those wanting Sensoril extract
  • Pregnant/nursing women

Our Verdict

8.4/10 — Very Good

The budget KSM-66 standard. The most clinically studied ashwagandha extract at Nutricost's value pricing. 600mg matches the dose used in most clinical trials.

Alternatives to Consider

No direct alternatives listed for this product yet.