Proven to reduce stress, anxiety, and cortisol levels¹
This formula is proven to reduce stress, anxiety, and cortisol levels¹, supporting the body throughout the day.
I take KSM-66 Ashwagandha® every day, and it helps me stay more relaxed throughout the day while improving my sleep at night.
KSM-66 Ashwagandha® bundle
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
- Increases endurance, strength and muscle recovery¹
More than 4.7 million customers from all over the world
Recommended daily dose is 1 capsule.
The recommended daily amount should not be exceeded. Food supplement is not a substitute for a balanced and varied diet and a healthy lifestyle. The product is not suitable for pregnant or breastfeeding women, children under 12 years of age, or individuals with hyperthyroidism.
Storage: store in a cool and dry place.
KSM-66 Ashwagandha®– food supplement
Ingredients: KSM66 – Ashwagandha [Withania somnifera D.] root 5% Withanolides [HPLC] extract, inulin powder, capsule shell: hydroxypropyl methylcellulose (HPMC).
KSM-66 Ashwagandha® is a registered trademark of Ixoreal Biomed Inc.
| Active ingredients | 1 capsule |
| KSM-66 Ashwagandha® extract | 300 mg |
| – of which withanolides | 15 mg |
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.
- Save extra 20% on all orders, starting from your second order
-
Delivery every:
- Free shipping on all orders
- Cancel any time
Questions? Call us: 0818 882 208
Save extra 20%!
Switch to subscription — you can skip or cancel anytime.
- Save extra 20% on all orders, starting from your second order
-
Delivery every:
- Free shipping on all orders
- Cancel any time
-
+ Free Shaker (worth 9,99€) with first order
Everything you need to know:
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.
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
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. It can improve sleep quality and sleep onset¹.
The world’s most researched Ashwagandha - supported by studies
These are the key benefits of KSM – 66 Ashwagandha®
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 enjoy all the other benefits that this product can offer you
If you start using KSM-66 Ashwagandha® later:
- You miss out on support for reducing stress, anxiety, and cortisol levels
- You miss out on the benefits of enhanced memory, cognition, and mental alertness
- You miss out on all the other benefits that this product can offer you
Traceability of our ingredients
Discover nature through our natural products! We carefully select and trace every ingredient to ensure optimal effectiveness, backed by scientific evidence. Our commitment to transparent traceability guarantees the integrity and excellence of every component of our products. Our products are certified to the IFS standard (registration number: 00063/0) and also hold an ECO certificate (certification number: EPR-26420/22-1).
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High-quality ingredients
Carefully selected, pure ingredients.
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No unnecessary additives
Only what your body needs. Nothing more.
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Carefully verified purity and safety
Independently tested to ensure compliance with quality standards.
60-day money-back guarantee
To make your purchase completely risk-free, we offer a 60-day money-back guarantee. If you are not completely satisfied with the product, simply contact us and we will refund your money.
KSM-66 Ashwagandha® bundle
Full-spectrum Ashwagandha backed by 32+ studies¹
- Proven to reduce stress, anxiety, and cortisol levels¹
- Enhances memory, cognition, and mental alertness¹
- Improves sleep quality and sleep onset¹
Frequently asked questions from our users
I take KSM-66 Ashwagandha® every day, and it helps me stay more relaxed throughout the day while improving my sleep at night.
KSM-66 Ashwagandha® bundle
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
- Increases endurance, strength and muscle recovery¹
More than 4.7 million customers from all over the world
Recommended daily dose is 1 capsule.
The recommended daily amount should not be exceeded. Food supplement is not a substitute for a balanced and varied diet and a healthy lifestyle. The product is not suitable for pregnant or breastfeeding women, children under 12 years of age, or individuals with hyperthyroidism.
Storage: store in a cool and dry place.
KSM-66 Ashwagandha®– food supplement
Ingredients: KSM66 – Ashwagandha [Withania somnifera D.] root 5% Withanolides [HPLC] extract, inulin powder, capsule shell: hydroxypropyl methylcellulose (HPMC).
KSM-66 Ashwagandha® is a registered trademark of Ixoreal Biomed Inc.
| Active ingredients | 1 capsule |
| KSM-66 Ashwagandha® extract | 300 mg |
| – of which withanolides | 15 mg |
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.
- Save extra 20% on all orders, starting from your second order
-
Delivery every:
- Free shipping on all orders
- Cancel any time
Questions? Call us: 0818 882 208
Save extra 20%!
Switch to subscription — you can skip or cancel anytime.
- Save extra 20% on all orders, starting from your second order
-
Delivery every:
- Free shipping on all orders
- Cancel any time
-
+ Free Shaker (worth 9,99€) with first order
Why choose Nature's Finest?
- 16 years of tradition
- 400+ unique products
- 50+ patented active ingredients
- 4.7M+ satisfied customers
Natural
Proven
Effective
Tested
Meet our development experts
We are proud to have in our team only top experts in the fields of nutrition and natural formulations, who guarantee the development and exceptional quality of our products. With exceptional dedication, they lead studies and research and collaborate with external laboratories, inspection bodies and other experts to ensure the highest quality and safety of our products. Thanks to their rich experience and recognized expertise in the industry, our experts strive to offer customers the most innovative products, thereby helping to maintain our position among the leading companies in the field of nutrition and dietary supplements.
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Meta Bizjak Nutrition engineer
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Pia Fistrović Food science and nutrition engineer
#WeAreNature
“Dedicated to bringing the most natural products into your home”
For more than 16 years, Nature's Finest has been dedicated to providing natural solutions for everyone who wants to overcome the challenges and discomforts associated with their lifestyle. We use only natural ingredients, produced traditionally, without additives or unnecessary processing. Whenever possible, we choose organically grown ingredients certified to SI-EKO-001.



