Jarrow Ashwagandha KSM-66 300mg

Jarrow Formulas · Capsule · 300 mg

Price/day

€0.28

Dose

300 mg

Servings/pack

120

Pack price

€34.00

Transparency Index

8.3/10

Recommended Excellent value for a well-researched, licensed adaptogen ingredient.

Rating breakdown

Evidence for ingredient 8.0/10

Multiple RCTs confirm stress-reducing effects of KSM-66.

Value for money 9.0/10

€0.28 per serving is excellent for a licensed branded ingredient.

Product quality 8.0/10

Jarrow encapsulates in California using plant-based cellulose capsules.

Label honesty 9.0/10

Withanolide content, origin, and extraction method clearly disclosed.

Third-party testing 7.0/10

KSM-66 is routinely tested; additional COAs available on request.

Product Description

Jarrow uses the licensed KSM-66 extract, which uses only root material and is water-extracted in India. Each serving delivers 5% withanolides.

What We Like

120 servings — about 4 months supply
No fillers like magnesium stearate
Certified KSM-66 provenance

What We’re Missing

Earthy, bitter smell when opened
Not ideal for night-shift workers due to calming effect

Usage Recommendation

1–2 capsules in the evening, or in the morning during high-stress periods. Consult a doctor before use if you have thyroid issues.

Other Ashwagandha (Withania somnifera) products

Sunday Natural Ashwagandha KSM-66 600

8.7/10

Recommended

Life Extension Ashwagandha KSM-66

8.4/10

Recommended

iXora KSM-66 Ashwagandha

7.8/10

Recommended

Nutricost KSM-66 Ashwagandha 600 mg

7.5/10

Recommended

Jarrow Ashwagandha KSM-66

7.1/10

Recommended

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) →