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Ashwagandha KSM-66
Ashwagandha is an adaptogenic herb that supports muscle growth, stress management, and sleep.* Often used together with our Shilajit.
1911 reviews 
5 stars
(1658)
4 stars
(215)
3 stars
(10)
2 stars
(7)
1 stars
(10)
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100% KSM-66 extract, not filled with non-KSM-66 extracts
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Standardized to contain 5% withanolides
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Supports muscle growth, stress management, and sleep*
One time purchase
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60 capsules
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€ 21,99
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€ 3,01
120 capsules
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€ 37,40
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€ 12,60
180 capsules
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€ 48,18
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€ 26,82
+1 FREE Pack Lion's Mane Focus Spray
€21,99
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No Risk 30 Day-Money-Back-Guarantee 82% of our regular customers chose a subscription (up to 39% cheaper per month)
100% KSM-66 patented extract, no fake fillers
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Add to your protocol
Cordyceps
€ 43,99
Lion’s Mane
€ 43,99
Shilajit
€ 43,99
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What is Ashwagandha KSM-66?KSM-66 Ashwagandha stands out as the gold standard of ashwagandha extracts, offering unmatched quality, potency, and effectiveness.
Unlike non-KSM-66 extracts, it is produced using a patented full-spectrum extraction process that retains the balance of all beneficial compounds found in the root, ensuring maximum efficacy without compromising purity.
Unlike many other suppliers who mix leaves with the root to save costs, KSM-66 uses only the root of the ashwagandha plant, adhering to traditional Ayurvedic practices. This is important because the root is where the highest concentration of active compounds, such as withanolides, is naturally found.
With more than 22 peer-reviewed studies backing its efficacy, KSM-66 offers a dependable and scientifically validated option for supporting stress management*, sleep*, and muscle growth.*
Many of our clients use Ashwagandha in combination with Shilajit. Combine KSM-66 with our pure Himalayan Shilajit for the complete stack. -
IngredientsHuman Pro Ashwagandha KSM-66
Element Amount per serving % Daily value Ashwagandha KSM-66 600 mg ------------- -
How to use Ashwagandha
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When and how do I take it?
Suggested use: 2 capsules after a meal (600 mg per serving)
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Safety and medication use• Do not exceed the recommended dosage.• Keep out of reach of young children. Store in a dry, dark place at room temperature (15–25 °C).• Consult a healthcare professional if you are pregnant, planning to become pregnant, or breastfeeding.• A healthy lifestyle and a balanced, varied diet are important. This supplement is not a substitute for them.
Product Reviews
What Human Pro customers say about this product
out of 5
Based on 4 reviews
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Lukas
Verified Buyer
April 9, 2026
Ashwagandha KSM-66
I have also only taken this supplement for just over a week and am starting to notice better sleep. I am gradually waking up less times in the middle of the night for no reason, and feeling more rested in the mornings.
A.T
Verified Buyer
May 8, 2025
Sterk aanbevolen!!!
Beste kwaliteit en supersnelle verzending🤗 bestel voor de tweede keer en we gebruiken het bijna 3 maanden met mijn partner, Ashwagandha KSM-66 samen met Shilajit, energie en focusniveau 60% hoger, kan me mijn leven nu niet meer zonder voorstellen 😂 Bedankt
A.T
Verified Buyer
May 8, 2025
Sehr empfehlenswert!!!
Beste Qualität und super schneller Versand🤗 bestelle zum zweiten Mal und wir benutzen es seit fast 3 Monaten mit meinem Partner, Ashwagandha KSM-66 zusammen mit Shilajit, Energie und Fokus-Level 60% höher, kann mir mein Leben jetzt nicht mehr ohne vorstellen 😂 Danke
A.T
Verified Buyer
May 8, 2025
Highly recommend!!!
Best quality and super fast shipping🤗i order second time and we use nearly 3 months with my partner,Ashwagandha KSM-66 together with shilajit jar, energy and focus level 60% up actually now no image my life without 😂 Thank you
Frequently bought together
Buy 2 packs and save €27
Lion’s Mane Focus Spray
30 days supply
4.80 (1911)
€43,99
€1.47
per day
Buy 2 packs and save €35
Mushroom Essentials Complex
120 capsules
4.80 (1911)
€63,99
€0.53
per capsule
Buy 2 packs and save €27
Shilajit
50 grams
4.91 (1911)
€43,99
€0.88
per gram
FAQs
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What is Ashwagandha KSM-66?
KSM-66 is a high-potency, full-spectrum extract of ashwagandha root that retains all the natural benefits of the plant while being standardized to 5% withanolides for maximum efficacy.
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How does KSM-66 differ from regular Ashwagandha?
KSM-66 uses only the root of the plant, unlike many non-standardized extracts that include leaves to cut costs. It’s also backed by over 22 clinical studies, ensuring proven effectiveness and safety.
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How should I take Human Pro Ashwagandha?
Take two capsules daily with water, preferably with a meal.
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Is Human Pro Ashwagandha suitable for vegetarians and vegans?
Yes, our Ashwagandha capsules are 100% vegan and vegetarian-friendly.
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Is KSM-66 safe to use daily?
Yes, KSM-66 is considered safe for daily use when taken as directed. It has been tested extensively in clinical studies for long-term use without significant side effects.
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Is KSM-66 organic and natural?
Yes, KSM-66 is produced using a natural, water-based extraction process. It is non-GMO, gluten-free, and certified organic.
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Can I use KSM-66 if I’m pregnant or breastfeeding?
We strongly recommend to consult a healthcare professional before using KSM-66 or any supplement during pregnancy or while breastfeeding.
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Does KSM-66 have any side effects?
KSM-66 is generally well-tolerated, but mild side effects like stomach upset or drowsiness can occur in some individuals. Always follow dosage recommendations.
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Free shipping above €70 in EU countries
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Order before 23:00, shipped same day
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KSM-66 is a specialized form of Ashwagandha extract that uses a unique, full-spectrum extraction method to yield maximum potency.
Through rigorous research and development, KSM-66 has been standardized to contain high concentrations of withanolides, which are known to drive many of Ashwagandha’s adaptogenic benefits*.
The patented method maintains the natural ratios of the root’s essential compounds while removing unwanted plant byproducts, resulting in a cleaner, more efficacious extract. By exclusively using the herb’s roots, KSM-66 upholds the Ayurvedic principle of avoiding leaf-based extracts, believed by many to compromise potency and safety.
The patent signifies not only innovation but also a commitment to consistent quality, making KSM-66 widely regarded as a premier, full-spectrum Ashwagandha extract on the market today.
We ship our supplements globally.
On all orders above €70 within the EU, you unlock free shipping.
We are located in the Netherlands; orders from within the Netherlands and Belgium unlock free shipping above €40.
We aim to deliver your supplements to your doorstep as fast as we can.
If your order is placed before 23:00 CET, we will ship your order the same day.
Orders are shipped from Sunday to Friday. Orders that come in after 23:00 will be shipped the following day.