10 Best Ashwagandha Ksm 66 600mg in The UK

Last updated on 16/07/2025

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New: Organic KSM-66 Ashwagandha - High Strength 10:1 Extract 6000mg Equivalent - 120 Capsules - 5% Withanolides - UK Made Supplement – GMP Standards – Zero Additives (120 Count (Pack of 1))

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Why We Love It

Highly concentrated and potent formula.
Backed by extensive clinical research.
Long-lasting four-month supply.

Main Highlights

✔️HIGHLY CONCENTRATED & POTENT. Each capsule is meaningfully dosed at 600mg of a powerful 10:1 extract, equivalent to 6000mg of raw Ashwagandha root. KSM-66 Ashwagandha is also standardised to 5% withanolides - the main active compound in Ashwagandha which helps to balance the body and mind, support relaxation and manage symptoms of stress.
✔️BACKED BY GOLD-STANDARD RESEARCH. With 24 gold-standard clinical studies validating its efficacy for stress management, mental clarity, physical performance, and overall wellbeing, KSM-66 is one of the most researched forms of Ashwagandha on the market.
✔️LONG-LASTING, 4 MONTH SUPPLY. Each bottle contains 120 capsules, providing an ample supply for long-term use. This allows you to enjoy the benefits of this powerful adaptogen consistently and conveniently.
✔️UK MADE TO GMP STANDARDS, 100% VEGAN WITH NO FILLERS, BINDERS OR ADDITIVES. At Time Health we believe in clean nutrition which is why you won’t find any nasty stuff in our products including any binders, fillers or additives, unlike some of our competitors.
✔️OVER 100,000 TREES PLANTED AND COUNTING. We are proud supporters of Ecologi’s reforestation projects and plant a tree with every single order!
Please note: packaging may vary.

Organic Ashwagandha KSM-66® with 5% Withanolides | 600mg x 120 Vegan Capsules Pure High Strength Ashwagandha Root Extract | Physical and Emotional Balance | Highest Concentration | Zenement

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Why We Love It

Clinically backed full-spectrum extract.
Organic, high-quality ingredients.
Guaranteed customer satisfaction.

Main Highlights

KSM 66, THE MOST BIOAVAILABLE FORM & MOST CLINICALLY STUDIED ASHWAGANDHA: Backed by 22 human clinical trials, our Ashwagandha KSM-66 is the most concentrated root-only extract available on the market today. Full spectrum extract allows us to retain the balance of Withanolides as the root contains the highest concentration of this active ingredient. Our formula improves balance within our body, helps our body to adapt to daily stress factors present in our environment.
WHY ZENEMENT ORGANIC ASHWAGANDHA KSM-66 CAPSULES?: Our Ashwagandha supplement contains 600mg of full-spectrum Ashwagandha root extract per serving and comes with a 4 month supply as you only need to take 1 capsule daily to benefit from our natural, organic Ashwagandha KSM 66. Similar to how it was used in traditional Ayurvedic medicine, we only extract the roots for its adaptogenic properties.
CERTIFIED ORGANIC: We source certified Organic Ashwagandha from our organic suppliers in India. Each step of the process is grown and tested to meet high standards from our certifying body. We also use a 3rd party to test for pesticides and heavy metals in the powders we source. You can be sure that you are getting high quality ingredients.
Quality and Satisfaction: Our supplements, formulated in Barcelona, are made with the highest quality ingredients under rigorous controls to meet the highest standards of safety and efficacy, providing a reliable and healthy option. Furthermore, we have personalized attention to answer any questions and help you choose the supplement that best suits your needs.
Zenement, Inspiring Wellness: Founded in Barcelona in 2017, Zenement's mission is to improve people's health and well-being. Inspired by the 'Zen' philosophy, our name combines 'Zen' and 'supplement', reflecting our commitment to balance and health. As a member of the Barcelona Health Hub at the Sant Pau Art Nouveau Campus, we promote innovation and excellence in the digital health sector.

Organic Ashwagandha KSM-66® with 5% Withanolides - Vegan Friendly with The Highest Concentration Most Bioavailable Full-Spectrum Root Powder for Immune Support - Made in The UK by Nutravita

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Why We Love It

Organic, high-quality Ashwagandha.
Clinically proven bioavailability.
Soil Association certified.

Main Highlights

✔ WHY NUTRAVITA'S ORGANIC ASHWAGANDHA KSM-66 CAPSULES? - Our Ashwagandha supplement contains 500mg of full-spectrum Ashwagandha root extract per serving and comes with a 2 month supply as you only need to take 1 capsule daily to benefit from our natural, organic Ashwagandha KSM 66. Similar to how it was used in traditional Ayurvedic medicine, we only extract the roots for its adaptogenic properties.
✔ KSM 66, THE MOST BIOAVAILABLE FORM & MOST CLINICALLY STUDIED ASHWAGANDHA - Backed by 22 human clinical trials, our Ashwagandha KSM-66 is the most concentrated root-only extract available on the market today. Full spectrum extract allows us to retain the balance of Withanolides as the root contains the highest concentration of this active ingredient. Our supplement is also produced based on Green Chemistry, a proprietary extraction process without using alcohol or chemical solvent.
✔ SOIL ASSOCIATION CERTIFIED ORGANIC - The high strength Ashwagandha powder in our supplement is sourced from organic farmlands in India where only High A-grade root pieces are used. For us to acquire Organic Certification, not only should our ingredients be organically produced and rigorously tested, our full supply chain is audited to meet the highest standards of the Soil Association. This offers an additional level of protection to support the quality of the ingredients used.
✔ CUSTOMER PEACE OF MIND – We have done our best to provide as much information as possible, but if you do have any questions please reach out to our very helpful customer care team. They will be happy to provide personalised assistance to help this supplement fit into your lifestyle. We always hope our customers are 100% happy with the product and service they receive, and so if you are not satisfied, please do not hesitate to contact us.
✔ WHAT IS THE STORY BEHIND NUTRAVITA? - Nutravita is a recognised and trusted Vitamins & Supplements brand providing thousands of customers across the world since 2014. Our high quality products are manufactured, batch tested and certified in the UK, and safeguarded by the highest manufacturing standards in the world (GMP, BRC). We have a dedicated team of pharmacologists, chemists and research scientists working to source the finest and most beneficial ingredients.

WILD NUTRITION Food-Grown® Ashwagandha KSM 66 Plus | Ethically Sourced Ashwagandha Capsules to Support Mind and Body | Tablets to Support Stress and Anxiety | 60 Capsules

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Why We Love It

Highest quality Ashwagandha formula.
Promotes mental wellbeing effectively.
Synergistic support with magnesium.

Main Highlights

THE HIGHEST QUALITY ASHWAGANDHA — New formula (600mg Ashwagandha) — This KSM-66 Ashwagandha is higher strength, ethically sourced and award winning. Ashwagandha root powder is an adaptogenic herb that helps support relaxation and wellbeing.
SUPPORTS EMOTIONAL WELLBEING — Ashwagandha powder promotes resilience against the demands of everyday life, supporting mental wellbeing and a positive outlook. Ashwagandha supplements help support memory, learning and recall.
WITH MAGNESIUM FOR SYNERGISTIC PHYSICAL & MENTAL SUPPORT — Our new formulation has higher strength KSM-66 Ashwagandha capsules combined with our Food-Grown Magnesium. Magnesium supports psychological function and the nervous system, helping reduce tiredness and fatigue.
WHY FOOD-GROWN SUPPLEMENTS? Your DNA is wired to receive nutrition from food, which is exactly why Food-Grown ingredients are kept as close to their original food form as possible. No added fillers or binders, just clean, ethically sourced ingredients, evidenced by research and real life. Five gold-standard scientific absorption studies show just how effectively Food-Grown supplements are absorbed and retained. Let your body decide.
WHY WILD NUTRITION? — In 2013, with over a decade’s experience running health clinics, nutritional therapist Henrietta Norton felt the supplement industry could do better. And so, Wild Nutrition was born. Fast forward to today and Henrietta’s Food-Grown formulations are loved across the globe. Certified B Corp in 2021, Pioneers in Food-Grown supplements.

Igennus Healthcare Nutrition

Igennus Advanced Ashwagandha KSM-66 Stress Support Complex 600mg with L-Theanine & Magnesium, B-Vitamins & Zinc, Clean Label, Root-only Extract 5% Withanolides, Vegan, 30 Servings

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Why We Love It

Scientifically supported Ashwagandha formulation.
Promotes relaxation and sleep.
Trustworthy, vegan ingredients.

Main Highlights

PURE ASHWAGANDHA KSM-66 - the most scientifically supported form of ashwagandha delivers a high concentration of root-only extract, providing 600mg ashwagandha per serving, for support reducing cortisol and fatigue
NATURAL L-THEANINE - this calming amino acid is extracted from green tea extract, camelia sinensis leaf, providing 200mg L-theanine for relaxation and sleep
STRESS SUPPORT - as some vitamins and minerals are depleted during times of stress, we provide bioavailable marine magnesium, zinc bisglycinate & full-spectrum B vitamins to replenish nutrient stores
VEGAN & ALL-DAY COVERAGE - instead of milk extraction, we use gentle water extraction to provide vegan ashwagandha, also with a short half-life we recommend 2 capsules daily, taken as a split dose for all-day relaxation support
INGREDIENTS YOU CAN TRUST - our clean label only contains hypoallergenic ingredients, is free from unnecessary additives (such as silicon dioxide or magnesium stearate), non-GMO & GMP manufactured in the UK

Rhodiola & Ashwagandha with L-Theanine - Award Winning Ashwagandha KSM-66 600mg & 1500mg Rhodiola - Whole Root Equivalent- adaptogen Combo- No Artificial fillers- UK Made

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Why We Love It

Highest potency for effective results.
Pure, high-quality ingredients used.
Offers a risk-free guarantee.

Main Highlights

✔ HIGHEST POTENCY – Swiss BioEnergetics Rhodiola & Ashwagandha with L-Theanine contains 600mg of Organic KSM-66 Ashwagandha extract per serving, produced using a unique proprietary extraction process that preserves the natural potency of Ashwagandha. The Rhodiola extract is standardised to at least 3% Rosavins & 1% Salidrosides
✔ EFFECTIVE – Rhodiola & Ashwagandha when combined supercharge each other’s adaptogenic properties. Award Winning KSM-66 has been evaluated in over 20 human clinical trials. Our Rhodiola Extract is a powerful 3% Rosavins & 1% Salidrosides. L-Theanine is an amino acid found in tea that allows you to get the benefits without the caffeine
✔ PURE – Swiss BioEnergetics Rhodiola & Ashwagandha capsules are manufactured using only the finest quality raw materials in their best grade and purest form so that we can guarantee you receive a consistently high-quality product. Utilising the latest research to bring you premium, balanced, scientifically validated formulations free from: ✘gluten, ✘wheat, ✘added sugar, ✘yeast, ✘additives, ✘artificial colourings. Suitable for Vegetarians and Vegans
✔ PEACE OF MIND – our nutritional food supplements, herbals, cleansers, tablets, powders, antioxidants and anti-inflammatory pills are manufactured with care exclusively in the UK to GMP code of practice and ISO 9001 testing, so you are safeguarded by the highest standards in the world
✔ NO RISK GUARANTEE – we have a no questions asked, money back guarantee policy so you can improve your health with no risk

Unique organic ingredient combination.
Premium quality, high dosage.
Tested and safe product.

Main Highlights

✅ UNIQUE COMBINATION: In our ashwagandha complex we combine organic KSM-66 Ashwagandha extract with plant-based natural vitamin c and zinc. This effective combination offers several advantages and supports the valuable properties of the Ashwagandha roots (Withania somnifera). *Vitamin C helps to reduce fatigue, while zinc supports normal cognitive function.
🔎 PREMIUM ORGANIC QUALITY: Ayurveda products are well known worldwide. On top of it, our ksm 66 ashwagandha complex contains all pure premium ingredients from controlled organic cultivation. We use organic KSM-66 Ashwagandha grown in India and combine it with natural zinc from organic mushroom and basil extract (Orgavitaz), as well as natural vitamin C from Brazilian organic acerola extract (from cherries).
⭐ HIGH-DOSAGE: Each single capsule of ashwagandha high strength delivers a 600 mg organic KSM-66 Ashwagandha extract (15:1), the optimal and best researched dosage. Ashwagandha, also called sleep berry or Indian ginseng, has been valued as an adaptogen in Ayurvedic medicine for thousands of years. Ashwagandha ksm 66 withanolides are thought to play a central role in the plant's effects. Our product contains 30 mg withanolides per capsule!
🥼 LABORATORY TESTED: Our ashwagandha organic is produced exclusively in Germany according to the highest HACCP quality standards. To ensure optimal quality, we test our ksm-66 ashwagandha for microbial contamination, (heavy) metal residues and pesticides. Our organic ashwagandha capsules are GMO-free, free of any additives and suitable for vegans. Per bottle: 90 capsules
💓 BY YOUR SIDE: Caring for you is part of our philosophy. So, in addition to providing supplements designed for your needs, we work on unique formulas to achieve the perfect synergy of ingredients and dosages for you. If you have any queries, we are happy to advise and support you in your goals, and/or provide you with the certifications of each product and to answer all your questions.

Multi-award winning herbal supplement.
Certified Organic and Transparent.
Vegan, clean, and pure.

Main Highlights

🍒 TRUE VEDA ORGANIC ASHWAGANDHA KSM 66: A multi-award-winning supplement known as Withania Somnifera or Indian Ginseng. KSM-66 Ashwagandha ingredients have been created via a process that took 15 years to develop to deliver a full-spectrum root extract to give you at least 3 times the potency compared to other brands. Our Ashwagandha is winner of Best Herbal Supplement Brand 2023 from GHP - Healthcare & Pharmaceutical, Best Wellbeing Supplements Brand 2023 from Beauty Shortlist & many more!
🌱 CERTIFIED SOIL ASSOCIATION ORGANIC & TRUSTED TRANSPARENCY: Sleep easy knowing you're fueling your body with the best. Our Soil Association Organic Certification stands as a testament to our commitment to quality. There are higher UK and EU regulatory standards we have to meet to attain certification but we do this to guarantee you get a high quality and effective supplement. True Veda is 100% organic without compromise
🌿 PURE, CLEAN & VEGAN FRIENDLY: Sustainably sourced best-of-crop ingredients from responsible growers in India. Manufactured to GMP certified standards in state of the art UK facilities and independently tested at multiple stages of our production process. Each small easy to swallow plant-based capsule has zero fillers, zero binders, and zero artificial ingredients. Genuine gold level safety standards, quality assurance backed by a 100% satisfaction guarantee.
🚫 AVOID HARSH SOLVENTS & ALCOHOL RESIDUES: Stop poisoning your body with harsh solvents and alcohol residues from regular supplements by using our pioneering and patented Natural Fusion Extract technology. We extract all the plants active nutrients in the most natural way using only pure water leaving you with a holistic supplement that is extremely clean & concentrated. Our clean label supplements come as nature intended with no nasty surprises added into the ingredients.
🏆 AWARD-WINNING EXCELLENCE WITH TRUE VEDA: Trust in a brand that walks the talk. As an ethical family-run business, we champion health & wellness. Our accolades speak volumes and include “The Beauty Shortlist’s - Best Wellbeing Supplements Brand 2023”✝ and “Marie Clare’s Highly Commended Supplements - Sustainability Awards 2023”✝. A portion of our profits always goes to charitable causes, reflecting our ethos: "Our World, Your Health". Join the True Veda family & embrace a healthier lifestyle!

MyProtein Ashwagandha KSM66 Capsules, Full-Spectrum Root Extract, High Potency, Natural Stress Relief, Enhanced Mood, Immune Support, Non-GMO, Vegan - 90 Capsules

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Why We Love It

Ancient wellness herb.
Potent 500mg capsules.
Easy daily supplement.

Main Highlights

Traditional Ayurvedic Herb: Ashwagandha, also known as Indian Ginseng or Winter Cherry, is a revered herb in Ayurvedic medicine, used for thousands of years to support overall wellness.
High-Potency Formula: Each capsule contains 500mg of KSM-66 Ashwagandha, a branded, full-spectrum root extract with one of the highest concentrations available.
Convenient Daily Dose: Enjoy the benefits of Ashwagandha in a super-convenient form—simply take one capsule per day with food.
Research-Backed Benefits: With a rise in popularity and increasing research, Ashwagandha is recognised for its potential to support stress relief, enhance mood, and boost immune health.
Quality You Can Trust: Non-GMO and vegan-friendly, our Ashwagandha capsules are stored in a cool, dry place away from direct sunlight to ensure maximum potency and freshness.

Nutricost Ashwagandha 600 mg, 120 Capsules

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Why We Love It

Promotes stress relief naturally.
Convenient daily capsule form.
Supports overall well-being effectively.

Main Highlights

Nutricost Ashwagandha 600 mg, 120 capsules
As a dietary supplement, take 1 capsule daily with 8-12oz of water or as directed by your healthcare professional.
Food supplements should not be used as substitutes for a varied diet. Do not exceed the recommended daily dose. Keep out the reach of children.

8.8

Excellent

We scanned 1804 products

We reviewed these offers relevant to the Ashwagandha Ksm 66 600mg within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Time Health, Zenement, Nutravita, Wild Nutrition, Igennus Healthcare Nutrition, swiss bioenergetics, Vegavero, True Veda, Myprotein, Nutricost, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Ashwagandha Ksm 66 600mg in the market, we considered we took a deep dive into 9021 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is New: Organic KSM-66 Ashwagandha - High Strength 10:1 Extract 6000mg Equivalent - 120 Capsules - 5% Withanolides - UK Made Supplement – GMP Standards – Zero Additives (120 Count (Pack of 1)). We love many things about this product by Time Health. What sets it apart from the competition is Highly concentrated and potent formula. , Backed by extensive clinical research. , Long-lasting four-month supply. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Organic Ashwagandha KSM-66® with 5% Withanolides | 600mg x 120 Vegan Capsules Pure High Strength Ashwagandha Root Extract | Physical and Emotional Balance | Highest Concentration | Zenement by Zenement based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Ashwagandha Ksm 66 600mg and the best cost-to-value ratio is WILD NUTRITION Food-Grown® Ashwagandha KSM 66 Plus | Ethically Sourced Ashwagandha Capsules to Support Mind and Body | Tablets to Support Stress and Anxiety | 60 Capsulesat Wild Nutrition with a 20% discount.
Our list of the best Ashwagandha Ksm 66 600mg is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Ashwagandha Ksm 66 600mg in The UK

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We scanned 1804 products

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