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Product Review

Life Extension Ashwagandha KSM-66

Life Extension · Capsule · 300 mg

Price/day

€0.48

Dose

300 mg

Servings/pack

60

Pack price

€29.00

Transparency Index

8.4/10

Recommended Consistent quality and good transparency for those seeking KSM-66 at a clinical dose.

Rating breakdown

Evidence for ingredient 8.0/10

Ashwagandha (KSM-66) has multiple RCT data points on stress, sleep, and testosterone.

Value for money 7.0/10

€0.48 per capsule is slightly above mass-market pricing, but KSM-66 licensing justifies the premium.

Product quality 9.0/10

Organically certified root extract, GMP production; Life Extension publishes full specifications.

Label honesty 9.0/10

Branded ingredient and withanolide percentage openly communicated.

Third-party testing 8.0/10

Each batch is tested by independent US labs for heavy metals and pesticides.

Product Description

Life Extension uses the well-known KSM-66 full-spectrum extract (minimum 5% withanolides) in vegan capsules. Roots are sourced from Rajasthan and processed to ISO and GMP standards.

What We Like

  • KSM-66 licensed ingredient with full traceability
  • Third-party analysis reports available on request
  • Pairs well with magnesium or rhodiola
  • 60 servings cover two months of basic supplementation

What We’re Missing

  • No lower 150 mg option for beginners
  • Packaging is plastic bottle only

Usage Recommendation

1 capsule in the morning with breakfast. For sleep issues, add a second capsule 1 hour before bed and reassess after 2 weeks.

Ingredient dossier

Ashwagandha is an Ayurvedic adaptogen backed by multiple RCTs for stress and cortisol reduction. Sleep and testosterone effects are promising but come from small studies.

Read full dossier: Ashwagandha (Withania somnifera) →