10 Best Third Party Tested Ashwagandha of 2025

Tested and Reviewed: Top 10 Third Party Tested Ashwagandha deals with expert ratings from 8.1 to a perfect 10

June 2026 Edition

Editor's Choice

9.7

Nutricost

Nutricost Ashwagandha Herbal Supplement 600mg, 120 Capsules - Vegetarian, Non-GMO, Gluten Free, Ashwagandha Root

Editor's bottom line:

“This third party tested ashwagandha is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Convenient daily support: Nutricost Ashwagandha Root Extract Capsules provide a hassle-free way to incorporate ashwagandha into your daily routine.
High potency: Each serving of these capsules contains a robust 600 mg of ashwagandha extract, ensuring you receive a potent serving of this traditional herb.
Long-lasting supply: With 120 capsules per bottle, Nutricost Ashwagandha Root Extract Capsules offer a generous supply, providing you with 120 servings.
Quality assurance: Every batch of Nutricost Ashwagandha Root Extract Capsules is manufactured in an NSF certified, GMP compliant facility, ensuring strict quality control standards are met.
Each batch is independent, third-party, ISO accredited laboratories, and manufactured in a NSF certified GMP compliant, FDA registered facility

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Picked by 397 people today

9.5

Nutricost

Nutricost KSM-66 Ashwagandha Root Extract 600mg, 60 Veggie Caps - 5% Withanolides - with BioPerine - Full-Spectrum Root Extract

Main Highlights

600mg of KSM-66 Ashwagandha Root Extract Per Serving (60 Servings)
60 Veggie Caps Per Bottle
5% Withanolides (30mg Per Cap)
BioPerine For Improved Absorption
Non-GMO, Gluten Free, Made in a NSF Certified, GMP Compliant, FDA Registered Facility

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9.5

Save 8%

Youtheory

Youtheory Ashwagandha - with Organic KSM-66 Ashwagandha - Herbal Blend to Support Stress Relief & Energy Levels* - Helps Support Mood* - 60 Vegetarian Capsules (30-Day Supply)

8% Off

Main Highlights

Stress Supplement: Youtheory Ashwagandha is made with an herbal blend designed to support energy and stress relief with 1,000 mg of organic Ashwagandha blend per serving*
Quality Ashwagandha: Our dietary supplement provides organic KSM-66 Ashwagandha extract; KSM-66 is the highest concentration Ashwagandha root extract available
Organic Ingredients: Our dietary supplement is made with organic ashwagandha for supplementation that you can feel good about
Third-Party Tested: Each batch is manufactured in-house in our GMP-certified facility for quality you can trust*
The Youtheory Promise: Everything we do is based on a dedication to build pure and effective supplements to support our mission to inspire wellness in all

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9.2

NaturaLife Labs

NaturaLife Labs Organic Ashwagandha 2100 mg per Serving – Full Spectrum Root Powder and Standardized Extract (Withanolides) – 100 Capsules – Vegan – Non-GMO, Gluten-Free

Main Highlights

Made with organic ashwagandha root powder and root extract for a full-spectrum supplement
2,100 mg per serving, including organic ashwagandha root powder, standardized root extract (2.5% withanolides), and organic black pepper
USDA Certified Organic, Non-GMO, Gluten-Free, and Vegan
No fillers, magnesium stearate, dioxides, or artificial additives; manufactured in the USA in a GMP-compliant facility using globally sourced ingredients

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9.0

Pure Encapsulations

Pure Encapsulations Ashwagandha - 500 mg Ashwagandha Extract - Metabolism & Stress Support - Immune Support - GMO Free & Vegan - 60 Capsules

Main Highlights

500 mg KSM-66 Ashwagandha Supplement: Each capsule contains 500 mg of pure ashwagandha root extract, an adaptogenic herb with a 4,000-year Ayurvedic history*
Thyroid Support: Supports thyroid function, metabolism, overall physical well-being, and mindset by moderating occasional stress*
Immune Support Supplement: Withanolides in ashwagandha support lymphocyte and macrophage activity, contributing to immune system health*
High-Quality Ingredients: We prioritize your health with hypoallergenic plant fiber capsules, ensuring you get only the goodness of ashwagandha without unwanted additives
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

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8.8

Live Conscious

Live Conscious KSM-66 Ashwagandha Supplement w/L Theanine & AlphaWave - ZenWell Everyday Stress Relief, Cognitive, Brain Health - Ashwagandha for Men & Women - 60 Capsules

Main Highlights

HIGH-PURITY SUPPORT FOR CALM AND WELL-BEING*: ZenWells potent organic KSM-66 ashwagandha extract and L-theanine are formulated to enhance overall wellness, promoting a sense of balance and relaxation.*
EASE INTO YOUR DAY: Ashwagandha promotes sustained energy and helps you feel more balanced throughout the week.* It can make managing daily challenges a bit more manageable.*
UNWIND AND SLEEP BETTER: ZenWell combines clinically studied KSM-66, the highest concentration, all inclusive ashwagandha root extract on the market, with Alphawave, a proprietary and pure L-Theanine amino acid.* These two potent ingredients magically unite to promote mental acuity, provide adrenal support, increase sleep quality, support brain health, and promote energy.*
FIGHT THE COFFEE JITTERS: By reducing the need for excess caffeine while also encouraging brain health, ZenWell helps you start your mornings with a cup of coffee or two and enjoy an alert, productive day.*

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8.6

Himalaya

Himalaya Organic Ashwagandha Root, 2 Month Supply - Herbal Adrenal Support Supplements for Stress Relief and Energy Support - USDA Organic, Non-GMO, Vegan, Gluten Free, 670 mg, 60 Caplets

Main Highlights

STRESS RELIEF SUPPORT: This organic ashwagandha supplement from Himalaya Wellness helps the body manage emotional, mental, and physical stress. It's clinically studied to reduce stress, while supporting the adrenal glands to lower cortisol levels*
MENTAL CLARITY AND FOCUS: This herbal formula promotes concentration, learning ability, and focus. Himalaya Organic Ashwagandha is clinically studied to help improve mood and emotional balance*
HIGH POTENCY FORMULA: Inspired by Ayurveda, Himalaya Organic Ashwagandha uses root powder and extract for maximum benefit. Not just crushed root, but a potent blend for optimal results*
HIGH QUALITY: Himalaya Organic Ashwagandha supplement is USDA Organic certified, vegan, Non-GMO Project Verified, and gluten free. Contains no binders, no additives, fillers, or soy, making it ideal for those with dietary restrictions
FAMILY OWNED & TRUSTED: Himalaya Wellness is a family-owned company with over 95 years of botanical science expertise. Each batch of Himalaya Organic Ashwagandha is crafted for purity and effectiveness*

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Best Value

8.3

Save 15%

Double Wood Supplements

Double Wood Supplements Ashwagandha KSM 66 Organic and Clinically Studied Extract (600mg Per Serving, 120 Capsules, 60 Servings) Adaptogen Cortisol Manager for Women and Men

15% Off

Main Highlights

ENHANCED 20:1 ASHWAGANDHA EXTRACT STRENGTH EXTRACT: Double Wood provides 500mg of a 20:1 Ashwagandha extract (Withania somnifera plant) per serving
HERBAL ADAPTOGEN SUPPLEMENT: Ashwagandha supplements are recognized as adaptogenic herbs traditionally used to support the bodys natural response to occasional stressors
SUPPORTS A SENSE OF CALM : One study on 58 individuals showed that those who took at least 250 mg of Ashwagandha extract for 8 weeks had helped the body adapt to occasional daily pressures
ROOTED IN QUALITY: Manufactured and Tested in the USA from Globally Sourced Ingredients. Double Wood's ashwagandha ksm 66 supplement is manufactured and tested for safety right here in the USA from Globally Sourced Ingredients, are non-gmo, gluten free, and organic
WE BOTTLE WELLNESS: At Double Wood we provide pure, potent supplements that deliver exceptional value, all backed by careful sourcing and rigorous third-party testing. Please reach out to us to see any of our Ashwagandha test results

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8.1

Save 10%

Futurebiotics

Futurebiotics Ashwagandha Extra Strength Stress & Mood Support with BioPerine - Non GMO Formula, 100 Vegetarian Capsules

10% Off

Main Highlights

Extra Strength Formula: Futurebiotics Ashwagandha capsules provide high quality Ashwagandha Extract with every serving. Ashwagandha is known as an Adaptogenic herb, as it helps the body cope and adapt to various stresses that occur in daily life.*
Herbal Stress Support: Ashwagandha Extra Strength helps to support a healthy stress response, maintain healthy cortisol levels, support a positive mood, and memory.* Futurebiotic's Ashwagandha additionally includes BioPerine, which has been clinically shown to enhance nutrient absorption.*
Superior Quality Formula: Carefully manufactured at our cGMP Facility that is located in New York. Each and every Futurebiotics product is put through a rigorous process to ensure purity, potency and quality. Futurebiotics Ashwagandha is in-house tested and free of GMOs, Gluten and Soy.
High Quality Ingredients: We strive to only seek the purest and superior quality ingredients from around the world.

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8.1

THORNE

THORNE - Ashwagandha - Highly Concentrated Shoden - Calming Stress Support for Women & Men - Supports Daytime Energy, Mental Clarity & Optimal Immune Function* - Third-Party Certified - 30 Capsules

Main Highlights

High-Quality Stress Support: Just 1 capsule a day provides support for physical & mental stressors, benefiting those with occasional feelings of anxiousness and aiding optimal immune function*
Adaptogenic Benefits: A highly concentrated extract standardized to 35% withanolide glycosides, the bioactive components of natural ashwagandha that deliver calming and restorative effects*
Energy Balance: Botanical support to resist stress-related fatigue and aid daytime energy, mental clarity and quality sleep*
4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)

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Our Best Overall Choice

Best Choice

9.7

Nutricost

Nutricost Ashwagandha Herbal Supplement 600mg, 120 Capsules - Vegetarian, Non-GMO, Gluten Free, Ashwagandha Root

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Convenient daily support: Nutricost Ashwagandha Root Extract Capsules provide a hassle-free way to incorporate ashwagandha into your daily routine.
High potency: Each serving of these capsules contains a robust 600 mg of ashwagandha extract, ensuring you receive a potent serving of this traditional herb.
Long-lasting supply: With 120 capsules per bottle, Nutricost Ashwagandha Root Extract Capsules offer a generous supply, providing you with 120 servings.
Quality assurance: Every batch of Nutricost Ashwagandha Root Extract Capsules is manufactured in an NSF certified, GMP compliant facility, ensuring strict quality control standards are met.
Each batch is independent, third-party, ISO accredited laboratories, and manufactured in a NSF certified GMP compliant, FDA registered facility

Show Price

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