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Lily
Lily
Star Star Star Star Star
5 / 5

I take KSM-66 Ashwagandha® every morning. I feel calmer during the day and sleep better at night.

KSM-66 Ashwagandha®

Food supplement with sweetener
Star Star Star Star Star
4.89 / 5
Verified 9 Verified reviews

The most researched full-spectrum ashwagandha root extract

  • Backed by 32+ studies¹
  • Proven to reduce stress, anxiety, and cortisol levels¹
  • Enhances memory, cognition, and mental alertness¹
  • Improves sleep quality and sleep onset1
  • Contributes to optimal relaxation4
  • Promotes the reduction in body weight⁴
  • Contributes to normal glucose – insulin metabolism²
  • Riboflavin contributes to normal functioning of the nervous system
  • Increases endurance, strength, and muscle recovery¹
  • Niacin contributes to normal psychological function
More than 4.7 million customers from all over the world
Neto 150 g | for 30 days
How to Use

Mix 5 g (1 scoop) into a glass of water (150 ml) and drink.

For precise measuring we suggest weighing.

Warning:

The recommended daily amount should not be exceeded. Food supplement is not a substitute for a balanced and varied diet and a healthy lifestyle. Keep out of reach of children. Not recommended to use during pregnancy and lactation.

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Storage: store in a cool and dry place.

 

Key Ingredients

KSM-66 Ashwagandha®,150 g– food supplement with sweetener

Ingredients: tapioca powder, KSM66 – Ashwagandha [Withania somnifera D.] root 5% Withanolides [HPLC] extract, ginseng extract (Panax ginseng C. A. Mey, root), chamomile (Matricaria chamomilla L., flower) extract, stabilizer: cellulose, lemon flavour, B-complex (vitamin B1 (Thiaminmononitrate), vitamin B2 (Riboflavine), vitamin B3 (Nicotine amid), vitamin B5 (Calcium-D-pantothenate), vitamin B6 (Pyridoxine hydrochloride), vitamin B9 (Pteroylmonoglutamic acid), vitamin B12 (Cyanocobalamid)), sweetener: steviol glycosides from stevia.

Contains naturally occurring sugars.

KSM-66 Ashwagandha® is a registered trademark of Ixoreal Biomed Inc.

Nutritional Value
Active ingredients per serving (5 g)
KSM-66 Ashwagandha® extract 300 mg
 – of which withanolides 15 mg
Panax ginseng extract 100 mg
Chamomile extract 100 mg
Vitamin B1  1,1 mg (100 % NRV*)
Vitamin B2 1,4 mg (100 % NRV*)
Vitamin B6 1,4 mg (100 % NRV*)
Vitamin B12 2,5 μg (100 % NRV*)
Folic acid 200 μg (100 % NRV*)
Pantothenic acid 6 mg (100 % NRV*)
Niacin 16 mg (100 % NRV*)

* NRV = nutritional reference value

Certifications
Why Independent Testing Is Essential At Nature’s Finest, we believe that wellness starts with trust. Here’s what our testing covers:
     
  • Ingredient Precision: We verify that the nutrients listed on our labels are present in the exact amounts promised.
  •  
  • Purity & Cleanliness: Each product is screened for substances such as heavy metals (including mercury, lead, and arsenic), common allergens (like soy, dairy, nuts, and gluten), and microbial threats like E. coli and salmonella.
  •  
  • Nutrient Verification: We confirm that both macronutrients and micronutrients are present and potent.
Explore our IFS Food Standard certification—the highest level of quality assurance in the industry—and see why Nature’s Finest stands above the rest. View our certification here.
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Questions? Call us: 0818 882 208

Reviews

4.89
Based on 9 reviews
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Everything you need to know:

What are the common signs my body needs support to manage stress?

Your body often tells you when it’s under too much stress. Common signs include:

  • Finding it hard to fully relax or switch off after a demanding day.
  • Feeling less calm or patient than usual in everyday situations.
  • Reaching for snacks, sweets, or extra coffee to keep going through the day.
  • Noticing dips in energy or focus as the day progresses.
  • Feeling tension build up in your body after long hours or busy days.
  • Having moments when it’s harder to stay motivated or clear-minded.
How does KSM-66 Ashwagandha® support me?

KSM-66 Ashwagandha® is a full spectrum natural extract that proven to reduce stress, anxiety, and cortisol levels1.

Regular use can offer the following:

  • Proven to reduce stress, anxiety, and cortisol levels¹
  • Enhances memory, cognition, and mental alertness¹
  • Improves sleep quality and sleep onset¹
  • Contributes to optimal relaxation⁴
  • Promotes the reduction in body weight⁴
I often have difficulty falling asleep due to busy days. Should I take it?

Yes. Busy and demanding days can raise stress hormones, making it harder for your body to unwind in the evening.

KSM-66 Ashwagandha® helps your body adapt to stress by reducing stress, anxiety, and cortisol levels¹, so your mind and body can naturally transition into rest mode. Studies show it can improve sleep quality and sleep onset¹.

When is the best time for me to take it?

For best results, we recommend regular use over a longer period of time.

You can take it either in the morning or in the evening, depending on your daily routine:

If taken in the morning, it can be part of your morning ritual and a great way to prepare for the day ahead.

KSM-66 Ashwagandha® is proven to reduce stress, anxiety, and cortisol levels¹, enhances memory, cognition, and mental alertness¹ and increases endurance, strength, and muscle recovery¹ – making it a perfect addition to start your day.

If taken in the evening, it can become a pleasant way to ease into a nice evening and night.

Chamomile extract contributes to optimal relaxation and helps to support relaxation and mental and physical well-being, which makes the product a perfect addition to your evening self-care routine.

Our customers also confirm it works

star star star star star 4.9 / 5
Jack
star star star star star 5/5

I started using it after work and it helps me unwind. I notice I don’t carry the stress from my day into the evening anymore.

Jack
Ella
star star star star star 5/5

KSM-66 Ashwagandha® met all my expectations and made a real difference in how I feel every day. I finally found something that truly works for me.

Ella
Oscar
star star star star star 5/5

At first, I was skeptical, but now I’m truly pleasantly surprised. I’m glad I decided to give it a try because it has met all my expectations.

Oscar
Ava
star star star star star 5/5

What I like most about KSM-66 Ashwagandha® is how easy it is to use. I just mix it with water and it’s ready in a few seconds. It’s simple and fits perfectly into my day.

Ava
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The world’s most researched Ashwagandha - supported by studies

These are the key benefits of KSM – 66 Ashwagandha®

Feature icon

Proven to reduce stress, anxiety, and cortisol levels¹

In today’s fast-paced world, we are constantly surrounded by challenges and demands that can create feelings of tension and pressure in our everyday lives. KSM-66 Ashwagandha® can support us in such challenges.  The recommended dose can be taken once a day. If you choose to take it in the morning, you can enhance your morning routine with KSM-66 Ashwagandha®, which reduce stress, anxiety, and cortisol levels¹ and increases endurance, strength and muscle recovery1 throughout the day.

Feature icon

Improves sleep quality and sleep onset¹

Busy schedules, work, and everyday commitments often leave little time to rest and recharge. Even when we finally slow down, it’s not always easy to switch off and enjoy a good night’s sleep. The recommended dose can be taken once a day. If you choose to take it in the evening, you can in this way contribute to optimal relaxation⁴ and improve sleep quality and sleep onset¹.

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Enhances memory, cognition, and mental alertness¹

The modern way of life has led to us being constantly surrounded by a flood of information and situations that demand our attention. KSM-66 Ashwagandha® has a long tradition of use and remains relevant even in today’s modern world because of the benefits it can offer.

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Backed by 32+ studies¹

KSM-66 Ashwagandha® is one of the most researched ashwagandha extracts worldwide. Backed by 32+ studies¹.

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Full-spectrum root extract

Standardized to more than 5% withanolides, it is one of the highest concentration, full-spectrum root extract on the market today, retaining all the natural constituents of the herb in the original balance.

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Advanced 4-in-1 support for mind and body

Four-action formula with KSM-66 Ashwagandha®, Panax ginseng, B-complex, and Chamomile

Product option image

Do you want to manage stress during busy days?

KSM-66 Ashwagandha® is proven to reduce stress, anxiety, and cortisol levels¹. For this reason, it’s the right choice for anyone looking for trusted, research-based support.

 

Do you want to support your memory and cognitive performance?

KSM-66 Ashwagandha® enhances memory, cognition, and mental alertness¹, while Panax ginseng contributes to normal cognitive performance and supports memory².

 

Would you like to end your day on a calm note?
Active ingredients in this formula improve sleep quality¹ and contribute to optimal relaxation⁴. This thoughtful combination makes it the right choice for your evening routine.

 

Do you want to support normal psychological function?

Vitamins B1, B2, B3, B5, B6, B9, and B12 contribute to normal psychological function and this is just one of many reasons why this blend is the right choice for you.

Reasons to start using KSM-66 Ashwagandha® today

If you start using KSM-66 Ashwagandha® today:

  • You help reduce stress, anxiety, and cortisol levels¹
  • You enhance memory, cognition, and mental alertness¹
  • You promote the reduction in body weight⁴
  • You improve sleep quality and sleep onset¹

If you start using KSM-66 Ashwagandha® later:

  • You miss out on support for reducing stress, anxiety, and cortisol levels
  • You continue without the benefits of improved focus and mental clarity
  • You miss out on support for the reduction in body weight
  • Your sleep quality and relaxation remain below their potential

Made from quality ingredients

KSM-66 Ashwagandha®

1. KSM-66 Ashwagandha®

KSM-66 is one of the highest concentration, full-spectrum ashwagandha root extract on the market today, standardized to >5% withanolides by HPLC.

Panax ginseng

2. Panax ginseng

Panax ginseng is a traditional adaptogenic root extract with a light beige to brown color, a characteristic herbal aroma, and a mildly bitter taste. It is known for its numerous benefits, including helping to maintain good cognitive performance and physical and mental capacities in cases of weakness, exhaustion, tiredness, and loss of concentration.

B-complex

3. B-complex

B-complex is a group of vitamins—B1, B2, B6, B12, folic acid, pantothenic acid, and niacin—that are important for our nervous system. In addition to their shared function, each B vitamin has other important roles in the body.

Chamomile extract

4. Chamomile extract

Chamomile extract is a botanical extract obtained from chamomile flowers. Chamomile supports digestion and helps with digestive discomfort and bloating.

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Traceability of our raw materials

We select every ingredient with the utmost care and monitor it closely to ensure optimal efficacy—supported by scientifically proven effectiveness.
Our commitment to transparent traceability guarantees the integrity and excellence of every component in our products.
Our products are certified in accordance with the IFS Standard under registration number: 00063/0, and by KON-CERT under certificate number: EPR-26420/22-1.

60-days-Money-back-Badge-Landing_EN-white-300x300-1.png

60-Day Money-Back Guarantee

To make your purchase risk-free, we offer a 60-day money-back guarantee.
If you’re not completely satisfied with the product, simply contact us—we’ll refund your money.

KSM-66 Ashwagandha®

KSM-66 Ashwagandha®

Full-spectrum Ashwagandha backed by 32+ studies¹

  • Proven to reduce stress, anxiety, and cortisol levels¹
  • Contributes to normal functioning of the nervous system³
  • Contributes to normal glucose - insulin metabolism²
  • Promotes the reduction in body weight⁴
  • Contributes to optimal relaxation⁴

Frequently asked questions from our users

FAQ

How and why does it work?

This formula is enhanced with Panax ginseng, Chamomile and B complex, ingredients perfectly combined together to tackle the effects of fast-paced lifestyle, reducing stress, anxiety, and cortisol levels¹, enhancing memory, cognition, and mental alertness¹ and contributing to optimal relaxation⁴.

FAQ

Who is it for?

KSM-66 Ashwagandha® is designed for anyone who is looking to support their body to reduce stress, anxiety, and cortisol levels¹, contribute to normal functioning of the nervous system³ and promote reduction of body weight⁴.

FAQ

What active ingredients does it contain?

KSM-66 Ashwagandha®1, panax ginseng2, B-complex3 and chamomile4.

FAQ

When should I take it?

If you take it in the morning, you can enhance your morning routine with KSM-66 Ashwagandha®, which reduces stress, anxiety, and cortisol levels¹ and increases endurance, strength, and muscle recovery¹ throughout the day. Alternatively, if you take it in the evening, this can help contribute to optimal relaxation⁴ and improve sleep quality and sleep onset¹.

FAQ

How long does shipping take?

We will do our best to process your order the same day and send it for delivery. On average, packages are delivered in 4-6 business days.

FAQ

What if I don't like it?

No worries! If the product does not meet your expectations, we offer a 60-day refund.

Previous
Next
Lily
Lily
Star Star Star Star Star
5 / 5

I take KSM-66 Ashwagandha® every morning. I feel calmer during the day and sleep better at night.

KSM-66 Ashwagandha®

Food supplement with sweetener
Star Star Star Star Star
4.89 / 5
Verified 9 Verified reviews

The most researched full-spectrum ashwagandha root extract

  • Backed by 32+ studies¹
  • Proven to reduce stress, anxiety, and cortisol levels¹
  • Enhances memory, cognition, and mental alertness¹
  • Improves sleep quality and sleep onset1
  • Contributes to optimal relaxation4
  • Promotes the reduction in body weight⁴
  • Contributes to normal glucose – insulin metabolism²
  • Riboflavin contributes to normal functioning of the nervous system
  • Increases endurance, strength, and muscle recovery¹
  • Niacin contributes to normal psychological function
More than 4.7 million customers from all over the world
Neto 150 g | for 30 days
How to Use

Mix 5 g (1 scoop) into a glass of water (150 ml) and drink.

For precise measuring we suggest weighing.

Warning:

The recommended daily amount should not be exceeded. Food supplement is not a substitute for a balanced and varied diet and a healthy lifestyle. Keep out of reach of children. Not recommended to use during pregnancy and lactation.

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Storage: store in a cool and dry place.

 

Key Ingredients

KSM-66 Ashwagandha®,150 g– food supplement with sweetener

Ingredients: tapioca powder, KSM66 – Ashwagandha [Withania somnifera D.] root 5% Withanolides [HPLC] extract, ginseng extract (Panax ginseng C. A. Mey, root), chamomile (Matricaria chamomilla L., flower) extract, stabilizer: cellulose, lemon flavour, B-complex (vitamin B1 (Thiaminmononitrate), vitamin B2 (Riboflavine), vitamin B3 (Nicotine amid), vitamin B5 (Calcium-D-pantothenate), vitamin B6 (Pyridoxine hydrochloride), vitamin B9 (Pteroylmonoglutamic acid), vitamin B12 (Cyanocobalamid)), sweetener: steviol glycosides from stevia.

Contains naturally occurring sugars.

KSM-66 Ashwagandha® is a registered trademark of Ixoreal Biomed Inc.

Nutritional Value
Active ingredients per serving (5 g)
KSM-66 Ashwagandha® extract 300 mg
 – of which withanolides 15 mg
Panax ginseng extract 100 mg
Chamomile extract 100 mg
Vitamin B1  1,1 mg (100 % NRV*)
Vitamin B2 1,4 mg (100 % NRV*)
Vitamin B6 1,4 mg (100 % NRV*)
Vitamin B12 2,5 μg (100 % NRV*)
Folic acid 200 μg (100 % NRV*)
Pantothenic acid 6 mg (100 % NRV*)
Niacin 16 mg (100 % NRV*)

* NRV = nutritional reference value

Certifications
Why Independent Testing Is Essential At Nature’s Finest, we believe that wellness starts with trust. Here’s what our testing covers:
     
  • Ingredient Precision: We verify that the nutrients listed on our labels are present in the exact amounts promised.
  •  
  • Purity & Cleanliness: Each product is screened for substances such as heavy metals (including mercury, lead, and arsenic), common allergens (like soy, dairy, nuts, and gluten), and microbial threats like E. coli and salmonella.
  •  
  • Nutrient Verification: We confirm that both macronutrients and micronutrients are present and potent.
Explore our IFS Food Standard certification—the highest level of quality assurance in the industry—and see why Nature’s Finest stands above the rest. View our certification here.
19,99
-0%
Subscription
One-time purchase

Switch to subscription and save
For just you get the same. A simple way to enjoy the best prices. You can change or cancel your subscription at any time!

Add to cart ➝
Return guarantee icon 60-day money-back guarantee
Free delivery icon Free delivery over 50,00
Delivery in 4-6 business days
visa mastercard american_express paypal

Questions? Call us: 0818 882 208

Kundenbewertungen

9
Verified reviews
4.9/5
Previous
Published 2 years ago by: Jim C.
Some benefits were noticeable, but I would like the effects to be more pronounced
Published 2 years ago by: Angela K.
Very easy to use the site. Good service and communication
Published 2 years ago by: Kirstina W.
Love it.. it is definitely working I have tried so many different ways to lose weight over the years
Published 2 years ago by: Olu O.
Great products
Published 1 year ago by: Mary b.
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Mix 5 g (1 scoop) into a glass of water (150 ml) and drink.

For precise measuring we suggest weighing.

Warning:

The recommended daily amount should not be exceeded. Food supplement is not a substitute for a balanced and varied diet and a healthy lifestyle. Keep out of reach of children. Not recommended to use during pregnancy and lactation.

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Storage: store in a cool and dry place.

 

KSM-66 Ashwagandha®,150 g– food supplement with sweetener

Ingredients: tapioca powder, KSM66 – Ashwagandha [Withania somnifera D.] root 5% Withanolides [HPLC] extract, ginseng extract (Panax ginseng C. A. Mey, root), chamomile (Matricaria chamomilla L., flower) extract, stabilizer: cellulose, lemon flavour, B-complex (vitamin B1 (Thiaminmononitrate), vitamin B2 (Riboflavine), vitamin B3 (Nicotine amid), vitamin B5 (Calcium-D-pantothenate), vitamin B6 (Pyridoxine hydrochloride), vitamin B9 (Pteroylmonoglutamic acid), vitamin B12 (Cyanocobalamid)), sweetener: steviol glycosides from stevia.

Contains naturally occurring sugars.

KSM-66 Ashwagandha® is a registered trademark of Ixoreal Biomed Inc.

Active ingredients per serving (5 g)
KSM-66 Ashwagandha® extract 300 mg
 – of which withanolides 15 mg
Panax ginseng extract 100 mg
Chamomile extract 100 mg
Vitamin B1  1,1 mg (100 % NRV*)
Vitamin B2 1,4 mg (100 % NRV*)
Vitamin B6 1,4 mg (100 % NRV*)
Vitamin B12 2,5 μg (100 % NRV*)
Folic acid 200 μg (100 % NRV*)
Pantothenic acid 6 mg (100 % NRV*)
Niacin 16 mg (100 % NRV*)

* NRV = nutritional reference value

Why choose Nature’s Finest?

15

Years of tradition

400+

Unique products”

50+

Patented active ingredients

3mil+

Satisfied customers

Nature

We believe in the perfection of nature. Our commitment extends to the responsible sourcing of raw materials, including sustainability, ethics, and fair business practices. To reduce our carbon footprint, we use environmentally friendly packaging.

The effectiveness of our products is confirmed by verifiable and reproducible studies and research. All of our products are tested in independent laboratories, as our goal is to offer our customers only the highest-quality and most effective products for their money.

 
 

Nature offers effective solutions to many of the challenges we face. Our experienced development team harnesses and combines these exceptional substances in our products so the body can make optimal use of them. The active ingredients in our products are included in proven effective amounts—not just in small, negligible quantities.

We test our products through various user studies and trials to ensure their safety and effectiveness. We always listen closely to our customers’ feedback and take their opinions, reviews, and suggestions into account to ensure our products are truly tailored to their needs.

Meet our product development experts

We are proud that our team consists exclusively of top experts in nutrition and natural formulations, ensuring the development and outstanding quality of our products. With great dedication, they conduct studies and research and work closely with external laboratories, testing institutes, and other specialists to guarantee the highest quality and safety of our products.

Thanks to their extensive experience and industry expertise, our experts are committed to providing Nutrisslim customers with the most innovative products and to maintaining our status as one of the leading companies in the field of nutrition and dietary supplements.

Meta Bizjak

M.Sc. in Nutritional Engineering

Pia Fistrovič

Food and Nutrition Engineer

#WeAreNature

»Committed to bringing the most natural products to your home«

For over 15 years, Nature’s Finest has been dedicated to providing natural solutions for everyone who wants to overcome lifestyle-related challenges and discomforts. We use only 100% natural ingredients, produced traditionally, without additives or unnecessary processing. Whenever possible, we choose organically grown ingredients certified under SI-EKO-001.

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