
Nutricost Ashwagandha Herbal Supplement 600mg
Cost per serving
$0.12
120 servings · ~120-day supply
Ashwagandha (a standardized root extract such as KSM-66) is among the more-studied botanicals people take for stress. Below, the ashwagandha ksm-66 products people use ranked by real cost per dose (to the commonly-studied 600 mg dose). A value comparison, not medical advice.
Updated August 2026
Several small randomized trials report reduced perceived stress and cortisol at 300–600 mg/day of a standardized extract; trials are short and small, so treat it as promising, not proven.
Commonly used: 300–600 mg/day standardized extract.
Background on ashwagandha ksm-66 from the NIH Office of Dietary Supplements .

Nutricost Ashwagandha Herbal Supplement 600mg
Cost per serving
$0.12
120 servings · ~120-day supply

KSM-66 Ashwagandha 500mg with Black Pepper (Piperine) – Stress
Cost per serving
$0.14
120 servings · ~120-day supply

Dr. SImi Ashwagandha + Vitamin D2 Gummies Stress and Mood…
Cost per serving
$0.17
60 servings · ~60-day supply

Dr. Berg Ashwagandha Capsules 1000mg - Includes Ashwagandha…
Cost per serving
$0.24
90 servings · ~90-day supply

Ashwagandha Gummies – Vegan
Cost per serving
$0.27
60 servings · ~60-day supply

Gade Nutrition Ashwagandha with Maca Root
Cost per serving
$0.28
90 servings · ~90-day supply

Nature Made Ashwagandha Capsules 125mg for Stress Support
Cost per serving
$0.28
60 servings · ~60-day supply

Ashwagandha Gummies – Supports Calm
Cost per serving
$0.33
30 servings · ~30-day supply

VITA GLOBE Ashwagandha Gummies 25mg with Vitamin D2 100mcg…
Cost per serving
$0.80
30 servings · ~30-day supply
See the full ranking, benchmarks and lab-tested brands on best ashwagandha ksm-66 by cost per dose.
Several small randomized trials report reduced perceived stress and cortisol at 300–600 mg/day of a standardized extract; trials are short and small, so treat it as promising, not proven. This page ranks the products people take by real cost per dose; it does not claim a supplement treats or cures anything. Not medical advice — talk to a clinician about anxiety and stress.
As of August 2026, the best value we track is Nutricost Ashwagandha Herbal Supplement 600mg, 120 Capsules - Vegetarian, Non-GMO, Gluten Free, Ashwagandha Root. The full ranking by cost per dose is above; Price ÷ servings ÷ dose — the number retailers rarely divide out.
Commonly 300–600 mg/day standardized extract. This is a general reference, not a prescription — confirm the right amount for you with a clinician. Not medical advice.