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Optimized Ashwagandha Extract by Life Extension delivers a clinically studied form of Withania somnifera (Ashwagandha), standardised for high levels of withanolides using the patented KSM-66® full-spectrum root extract. Ashwagandha is an adaptogenic herb with a long history of traditional use in Ayurvedic practice to support vitality, maintain energy levels, and contribute to everyday mental wellbeing. Each vegetable capsule provides a concentrated dose of ashwagandha root extract as part of a balanced lifestyle and healthy diet. Life Extension uses only non-GMO, vegan-friendly ingredients manufactured under strict GMP quality standards.
Optimized ashwagandha refers to the use of a carefully selected, standardised extract rather than a plain root powder. This product uses KSM-66® Ashwagandha, a patented full-spectrum extract that retains the complete natural profile of the root for enhanced bioavailability, and is the most clinically studied ashwagandha extract currently available.
Life Extension Optimized Ashwagandha Extract stands out from standard ashwagandha products due to its formulation precision, extract quality, and third-party verified purity.
Life Extension Optimized Ashwagandha 60 vegetarian capsules provides a precise, standardised daily dose of KSM-66® root extract, free from unnecessary fillers or allergens.
| Ingredient | Amount per Capsule | Function |
|---|---|---|
| KSM-66® Ashwagandha root extract (Withania somnifera) | 250 mg | Standardised full-spectrum adaptogenic root extract (≥5% withanolides) |
| Hydroxypropyl methylcellulose | — | Plant-based vegetable capsule shell |
| Microcrystalline cellulose | — | Filler and flow agent |
| Vegetable magnesium stearate | — | Anti-caking agent (vegetable source) |
Free from: GMOs, gluten, dairy, soy, and artificial preservatives.
Certifications: GMP Certified | Non-GMO | Vegan | Third-Party Tested
Manufacturer: Life Extension (Founded 1980 – USA)
Optimized ashwagandha extract (Withania somnifera) has been widely researched for its adaptogenic properties and traditional applications. Published studies have investigated its potential role in supporting everyday vitality, normal energy metabolism, and general psychological wellbeing, as well as sleep quality and normal cognitive function. For peer-reviewed publications, search "Ashwagandha KSM-66 clinical trial" or "Withania somnifera adaptogen study" on PubMed or Google Scholar. This information is provided for educational purposes only and does not constitute a health claim for this product.
Life Extension ashwagandha is traditionally used and researched in the following everyday wellbeing contexts:
Customers who have used Life Extension Optimized Ashwagandha Extract report noticing positive changes within approximately one week of consistent daily use. Users frequently highlight improvements in their general sense of calm and everyday wellbeing, with several noting that they feel better able to manage the pressures of a busy lifestyle. Many customers also report improvements in sleep quality without experiencing morning grogginess. The capsules are widely praised for being easy to swallow, and the brand's long-standing reputation for quality is consistently appreciated. Overall, customers consider this supplement to offer excellent value for money given the quality of the KSM-66® extract and the positive wellbeing benefits they experience as part of a balanced routine.
This product is a food supplement, not a medicine. It is not intended to diagnose, treat, cure or prevent any disease or health condition. Information provided on this page is for educational and informational purposes only and is not a substitute for professional medical advice. All content is intended to comply with UK ASA/CAP guidelines and retained EU food supplement regulations. Always consult a qualified healthcare professional before starting any new supplement, particularly if you have an existing health condition or take prescription medicines.
Life Extension Optimized Ashwagandha Extract is a food supplement containing KSM-66® Ashwagandha, a patented full-spectrum root extract of Withania somnifera, standardised to ≥5% withanolides. Ashwagandha is a traditional adaptogenic herb with a long history of use in Ayurvedic practice to support everyday vitality, normal psychological function, and general wellbeing as part of a balanced lifestyle. This product is a food supplement, not a medicine.
KSM-66® Ashwagandha is a patented, clinically studied full-spectrum root extract made exclusively from the root (not leaves) using a proprietary extraction process. Unlike plain ashwagandha root powder, it is standardised for consistent withanolide content (≥5%) and verified through third-party testing for potency and purity. It is among the most extensively studied ashwagandha extracts used in published nutritional research.
Each container of Life Extension Optimized Ashwagandha contains 60 vegetarian capsules. Following the recommended dose of 1 capsule twice daily, one container provides a 30-day supply. The capsule shell is plant-based (hydroxypropyl methylcellulose), making it suitable for vegans and vegetarians.
Yes. Life Extension Optimized Ashwagandha Extract is vegan, gluten-free, non-GMO, and free from dairy and soy. It is manufactured under GMP-certified conditions and third-party tested for purity. The capsule shell is made from plant-based hydroxypropyl methylcellulose, making it fully suitable for vegans and those with gluten sensitivities.
The recommended dose is 1 capsule twice daily, preferably taken with meals. Individual responses vary. Some users report noticing positive changes in their general sense of wellbeing and energy levels after consistent daily use over one to two weeks. As with all food supplements, results depend on individual factors including diet, lifestyle, and overall health. Always follow the label guidance and consult a qualified healthcare professional if you are unsure whether this product is suitable for you.
Please read before purchase. The information provided regarding dietary supplements or ointments are not to be taken as medical advice.
Consult a healthcare professional prior to use if you are pregnant, nursing, taking medication, or have a medical condition.
Keep out of reach of children. Store in a cool, dry place. Do not use if seal under cap is broken or missing.
Order by 2PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
There is 4.99£ charge for delivery under 49£ Orders. Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.
Please note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery.
The United Vitamins team will work with you to design a wellness plan based on your health profile, your goals, and your lifestyle.