What is Withania Somnifera Extract?
Jul 23, 2026
Withania Somnifera Extract, also known as Ashwagandha Extract, is a standardized botanical extract derived from the roots of Withania somnifera. It is commonly used in dietary supplements, functional foods, and sports nutrition products, with standardized withanolide levels to support formulation consistency.
Gold Herb supplies Withania Somnifera Extract for supplement brands, manufacturers, and distributors worldwide. Each batch is accompanied by a COA (Certificate of Analysis), Laboratory Reports, and product specifications. Samples are available for evaluation before bulk orders, and our Technical Support team can assist with documentation, product selection, and sourcing inquiries. For quotations or technical information, please contact info@newgoldherb.com.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | Withania somnifera root powder |
| Appearance | Light Brown Yellow Powder |
| Active Content | Withanolide 2.5%, 5%, 10% |
| CAS Number | 32911-62-9 |
| Test Method | HPLC |
| Plant Part Used | Roots |
| Assay (Withanolide) | ≥10% |
| Particle Size | 100% pass 80 mesh |
| Moisture Content | ≤5.0% |
| Molecular Formula | C28H38O6 |
| Molecular Weight | 470.6 |
| Shelf Life | 2 years |
| Solubility | Poorly soluble in water |
| Storage | Store in tightly closed original container, protected from light |
| Certifications | FDA, ISO9001, HACCP, HALAL, Kosher |
Quality Assurance
Certificate of Analysis (COA) for Withania somnifera Powder [Request COA]

Understanding Withania Somnifera ExtractThe Botanical Foundation and Extraction Process
Withania Somnifera Extract is in the family Solanaceae. In Ayurveda, it has been used for a long time. Standardized extract is different from raw root powder because it goes through a lot of steps to bring out the medicinal parts and make sure that each batch is the same. To get the most withanolides, alkaloids, and saponins out of dried roots, we use solvent-based or supercritical CO2 extraction. This method gets rid of the plant fibers that aren't needed while keeping the medicinal compounds in Ashwagandha.
The powder is light brown-yellow and has the CAS number 32911-62-9 on it. The required levels of wetness, ash, and microbes for pharmaceutical use are met. Standardizing withanolides to 2.5%, 5%, or 10% makes it easier for formulators to figure out amounts and predict how well a drug will work. This gets rid of the ingredient unpredictability that makes getting raw materials hard.
Adaptogenic Mechanisms and Bioactive Profile
As a true adaptogen, this substance changes the hypothalamic-pituitary-adrenal axis, which controls the production of stress hormones. Withanolides work with cortisol pathways to help bring down high levels of stress markers without making them too low. This biochemical process is what makes adaptogens different from stimulants or sedatives: they encourage homeostasis instead of forcing change.
The extract also has withaferin A, sitoindosides, and acylsterylglucosides, along with withanolides. These chemicals work as antioxidants by getting rid of free radicals and helping cells defend themselves. This ingredient's adaptogenic profile makes it useful in a wide range of products, from stress-relief pills to sports recovery formulas. It can help people with a wide range of health goals by coming from a single plant source that has been scientifically proven to work.
Health Benefits and Applications of Withania Somnifera Extract
Stress Reduction and Anxiety Management
A clinical study has shown that Withania Somnifera Extract can help reduce worry and stress symptoms. After eight weeks of supplementation, cortisol levels and anxiety scores dropped significantly in a double-blind study with 60 adults. The calming effects come from GABAergic modulation—withanolides raise the activity of gamma-aminobutyric acid receptors, which makes you feel calm without making you sleepy.
Dosage guidelines set by clinical studies are helpful for B2B formulators who are trying to reach people who need help with stress management. The daily amounts of standardized extract containing 5% withanolides that work are between 300 mg and 600 mg. This means that product claims can be trusted because they are backed up by evidence. This helps brands stand out in the supplement market, where trust in products is based on proof of their effectiveness.
Physical Performance and Recovery Enhancement
Ashwagandha supplements boost sports performance in several ways. Research shows that exercise improves muscular strength, cardiovascular endurance, and recuperation. In a controlled trial, 600 mg daily recipients acquired higher muscle growth and strength than placebo recipients after physical exercise.
Exercise-induced muscle injury and inflammation are reduced by the extract, which boosts performance. The usage of Withania Somnifera Extract by sports nutrition businesses seeking natural performance enhancers is beneficial. Add this extract to protein powders, amino acids, or creatine to create stacks that appeal to fitness enthusiasts who value clean components.
Cardiovascular and Metabolic Support
Recent studies show the extract may improve heart health in several ways. Early human and animal studies demonstrate that the substance promotes healthy blood pressure and cholesterol. Antioxidants in the extract protect the capillary endothelium and prevent stress, which indirectly improves heart function.
These resources can assist functional food and drink companies in creating heart-healthy products. Ashwagandha-containing beverages, bars, and meal replacements for health-conscious dieters. New studies and the plant's rich history may create intriguing health-conscious marketing stories.
Comparing Withania Somnifera Extract Forms and Market Options
Extract Versus Raw Root Powder
Buying decisions depend on knowing the difference between Withania Somnifera Extract and raw root powder. Withanolides, found in dried roots, make up about 0.3%–1.5% of raw powder. Doses must be higher for therapeutic effects. Standardized extracts make active substances five to ten times stronger, allowing lower serving amounts and compact formulations. This is especially important for capsules and tablets, where space can affect formulation costs.
Extracts are also more stable in numerous distribution techniques. Removing plant fibers and cellulose makes the product simpler to mix with liquids and less likely to oxidize in storage. Raw powder is useful in traditional recipes and whole-food supplements with little processing. Extract forms are common in nutraceuticals, where effectiveness and production efficiency dictate market competitiveness.
Organic Certification and Quality Benchmarks
Choosing organic vs conventional affects your market position and compliance. Organic extracts must be cultivated without pesticides and processed without illicit solvents. USDA Organic, EU Organic, or equivalent certificates verify this. Organic certification sometimes raises the price of natural items. Standard extracts that pass rigorous residue testing work for price-conscious consumers.
Quality criteria go beyond organic matter. They also restrict heavy metals, microbial contamination, and adulterants. Smart purchasers request Certificates of Analysis with lead levels below 1ppm, total plate counts below 10,000 CFU/g, and negative plant material testing. Our powder is FDA, ISO9001, HACCP, Halal, and Kosher certified, meeting global safety standards and a variety of food demands.
Comparative Positioning Against Other Adaptogens
Ashwagandha, Rhodiola rosea, and Panax ginseng are adaptogens, although they operate differently. Rhodiola can stimulate you and help you think clearly under stress. Ginseng boosts energy and immunity. Ashwagandha is great for evening formulations or sleep and recovery goods since it calms and heals more.
This distinction informs product development strategy. Companies that create morning energy supplements may employ Rhodiola or ginseng, while nighttime relaxation pills may use GABAergic effects. When formulators understand these variations, they may use scientifically suitable botanicals instead of broad adaptogen mixes to create customized product lines for customers.
Procurement Guide for Withania Somnifera Extract
Evaluating Supplier Credentials and Quality Systems
A thorough review of suppliers, focused on quality infrastructure and openness, is the first step to successful procurement of Withania Somnifera Extract. Reliable vendors keep their sites GMP-certified and write down standard operating procedures for each step of the process. Ask for facility audit records, quality guides, and paperwork that shows how finished extracts can be traced back to specific growing areas and harvest batches. This chain of custody proof stops adulteration for financial reasons, which is a common problem in markets for plant ingredients.
Check more than just certifications to see how analytical you are. Leading suppliers have their own labs that are fully equipped with HPLC, GC-MS, and ICP-MS instruments for thorough testing. Third-party validation by ISO-accredited labs adds another level of proof that buyers who don't want to take risks need. We keep more than one tonne of standard specifications in stock all the time, so we can ship them 24 hours after receiving proof of the order. Custom formulations, on the other hand, take 7 to 15 working days, based on how complicated they are.
Pricing Dynamics and Negotiation Strategies
The price of the extract depends on a number of factors, such as the amount of withanolide present, whether the product is organic, the number of orders, and changes in market demand. The base price for 5% withanolide extract is usually between $25 and $45 per kilogram for orders over 100 kg, and organic extras add another 20% to 40% to that price. Due to more work that needs to be done and lower extraction rates, higher amounts command higher prices.
Strategic buyers use annual purchase agreements to get better prices and a steady supply of goods. Suppliers can better plan their production schedules when they have volume agreements that cover more than one shipment. This lowers the cost per unit that customers pay. Talk about payment terms that work with your cash flow, and make sure you understand the Incoterms that say who is responsible for freight, insurance, and customs clearing. Total landed cost transparency keeps budgets from being surprised and allows accurate product margin calculations.
Sample Evaluation and Initial Inquiry Best Practices
Before committing to production orders, professionals always start the buying process with testing samples. Ask for 100g to 500g samples along with Certificates of Analysis that list all the factors that meet the specifications. Run parallel tests in your quality assurance labs to make sure the claimed specs are correct and to see if they are compatible with your formulation matrices. Check how well it dissolves, how it tastes, how stable its colour is, and how it reacts with other ingredients in your product.
Structure your first questions to get your needs across clearly. Give details about the amount of withanolide you want, how you'd like it packaged, where you'd like it delivered, and any verification needs you have. Clear communication speeds up the process of getting quotes and makes sure that plans are in line with what is actually needed. We offer full sales and technical support thanks to our partnership with Academician Li Xiaokun's research team and Wenzhou University. We can help you reach your product development goals by providing more than just transactional ingredient supply.
Why Gold Herb Stands as Your Trusted Withania Somnifera Extract Supplier?
Advanced Quality Assurance and Technical Excellence
Shaanxi Gold Herb works at the point where cutting-edge nanotechnology and traditional plant knowledge meet. Because we have a strategic relationship with Ancooin Biotechnology and can work with Academician Li Xiaokun's team, we are in a unique situation to create anti-aging and functional ingredients. This research base makes sure that our Withania Somnifera Extract meets the highest quality standards. It does this by using approved testing methods and bioactivity checks that check not only chemical markers but also functional performance.
Our quality control method includes being able to track raw materials from the time they are grown until they are packaged. Each batch of drugs goes through several stages of testing, such as name proof using TLC and HPLC, potency verification of withanolide content, heavy metal screening using ICP-MS, pesticide residue analysis, and microbial limit testing. We keep our certifications up to date, such as FDA registration, ISO9001 quality management, HACCP food safety protocols, and Halal and Kosher approvals. This lets us use ingredients in a wide range of regulatory environments and consumer diets without any problems with compliance.
Customisation options and top-notch logistics
We don't just offer normal specifications of 2.5%, 5%, and 10% withanolides; we also offer customized formulation help to meet the needs of particular applications. Our expert team works together to improve particle size for better encapsulation, make substances more soluble for use in beverages, and mix custom formulations with supplementary herbs or nutraceuticals. OEM and ODM services have simplified 20-day processes from idea to finished product, and they offer a range of flexible packing options, from drums for bulk items to containers that are ready for consumers.
Our service model is different from commodity suppliers because of the logistics infrastructure we use. We work with DHL, SF Express, and FedEx to make sure that foreign shipping goes smoothly. For North American customers, permanent inventory in U.S. warehouses lets us send in 3–5 days. When production plans require quick ingredient supplies, emergency orders can use our green channel service to get their goods in 5 to 7 days. This flexibility in logistics saves your production schedules from supply problems, which is very important in customer markets that change quickly.
Global Reach with Regional Support
Our customers come from more than 30 countries, and we have more than 200 active accounts with companies that make nutraceuticals, cosmetics, functional foods, and sell them around the world. This global presence shows that we can work with a wide range of rules, cultural tastes, and technical requirements. Language barriers and coordination delays that often happen in international sourcing can be avoided with help from regional offices that are in the same time zone.
Relationships with clients go beyond sales and include long-term agreements. We offer ongoing technical advice on how to make formulations better, help with regulatory compliance for new products, and market intelligence on consumer trends and how to position yourself against competitors. This consultative method not only helps customers find ingredients, but it also helps them design great products that reach their target groups and meet their business goals in the wellness market, which is very competitive.
Conclusion
As more people look for natural ways to deal with stress, improve performance, and improve their overall health, Withania Somnifera Extract is a plant ingredient that has been proven to work by science and can be used in a variety of ways in business. The standardized withanolide content of the extract makes sure that the recipe is always the same and that the product works as expected. This is important for building trust in brands in the competitive nutraceutical, functional food, and skincare markets. Knowing the differences between extract forms, quality standards, and suppliers' abilities helps you make smart purchasing choices that balance lowering costs with maintaining quality. As the global market for adaptogens grows, it's more important than ever to work with technically skilled suppliers who offer complete quality systems, flexible customization options, and reliable logistics. Brands that strategically source high-quality Ashwagandha extract can cash in on fitness trends while also giving real value to health-conscious customers looking for natural ingredients backed by science.
FAQ
Q1: What dosage of Ashwagandha extract effectively addresses stress symptoms?
Clinical studies show that 300 mg to 600 mg daily of a standardized extract containing 5% withanolides works, usually split into two doses. When concentrations are lower, proportionally higher amounts are needed to get the same amount of active chemical intake.
Q2: Can Ashwagandha extract interact with other supplement ingredients?
It is usually safe to take Ashwagandha with most vitamins, minerals, and plant products. Be careful when mixing with plants that calm you down or ingredients that help your thyroid because they might have extra effects. Formulation testing makes sure that the mixtures work together in certain matrices.
Q3: How can buyers be sure that the withanolide amount in samples from suppliers is real?
Ask for third-party Certificates of Analysis from ISO-approved labs that show the results of HPLC testing. Use qualified analytical centers to do independent verification tests. Authentic suppliers are open and willing to give you documentation specific to your batch.
Q4: What storage conditions preserve Ashwagandha extract potency?
Keep in containers that are tightly sealed and out of the way of light, heat, and moisture. For the best conditions, keep the temperature below 25°C and the humidity below 60%. Withanolide content stays the same, and microbes don't grow during the typical 24-month shelf life if stored correctly.
Partner with Gold Herb for Premium Withania Somnifera Extract
Gold Herb provides more than just botanical ingredients; we also offer complete solutions that help you develop your products and make money in the market. Our Withania somnifera root powder is standardized to contain 2.5%, 5%, or 10% withanolides and has been tested using HPLC. It meets the strictest quality standards and keeps prices low by managing the supply chain more efficiently. Our technical know-how and production options allow us to meet a wide range of needs, from large numbers for well-known brands to custom formulations for new products. Email us at info@newgoldherb.com to get samples, talk about your needs, or find out how our full range of services as a reliable Withania Somnifera Extract producer can help you find better ingredients and get your product to market faster.
References
1. Chandrasekhar, K., Kapoor, J., & Anishetty, S. (2012). A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 34(3), 255-262.
2. Wankhede, S., Langade, D., Joshi, K., Sinha, S. R., & Bhattacharyya, S. (2015). Examining the effect of Withania somnifera supplementation on muscle strength and recovery: A randomized controlled trial. Journal of the International Society of Sports Nutrition, 12(1), 43.
3. Singh, N., Bhalla, M., de Jager, P., & Gilca, M. (2011). An overview on ashwagandha: A Rasayana of Ayurveda. African Journal of Traditional, Complementary and Alternative Medicines, 8(5S), 208-213.
4. Mishra, L. C., Singh, B. B., & Dagenais, S. (2000). Scientific basis for the therapeutic use of Withania somnifera: A review. Alternative Medicine Review, 5(4), 334-346.
5. Kulkarni, S. K., & Dhir, A. (2008). Withania somnifera: An Indian ginseng. Progress in Neuro-Psychopharmacology and Biological Psychiatry, 32(5), 1093-1105.
6. Lopresti, A. L., Smith, S. J., Malvi, H., & Kodgule, R. (2019). An investigation into the stress-relieving and pharmacological actions of an ashwagandha extract. Medicine, 98(37), e17186.
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