Ashwagandha is no longer a niche Ayurvedic herb, it has become a global powerhouse in the wellness and dietary supplement industry. But with this rising popularity comes a flood of options many of which vary in quality, composition, and sourcing. For formulators, brand owners, and consumers, the real question isn’t whether to use Ashwagandha or not, but which one to choose.

Not all Ashwagandha extracts are created equal. The market today is filled with everything from clinically validated, root-only, full-spectrum extracts to chemically processed variants made with aerial parts like leaves, raising serious questions about efficacy, safety, and regulatory compliance of the extracts.

In this article, we emphasize on six essential criteria to help you confidently select high-quality Ashwagandha extracts that align with both tradition and modern scientific standards.

1. Choose a root-only extract

While some suppliers use the leaves or aerial parts of the Ashwagandha plant, traditional Ayurvedic practices and official pharmacopeias including the Indian, British, and the United States Pharmacopoeias, recommend using the root exclusively. In 2021, the Government of India has also released an advisory emphasizing the usage of root alone, citing concerns about the lack of evidence regarding the safety and efficacy of leaves.

2. Scientifically validated extract

Nowadays, the consumers and manufacturers are increasingly demanding clarity and evidence. Select an extract supported by gold-standard clinical research, such as randomized, double-blind, placebo-controlled trials conducted in healthy populations. Additionally, studies published in respected, indexed journals like PubMed, enhance transparency and offer assurance about efficacy and safety.

3. Vertically integrated extract

A vertically integrated model, where there is control at every step from cultivation to delivery ensuring end-to-end traceability. Choose a supplier that owns the supply chain and maintains full control over quality, sustainability, and consistency from farm to finished extract.

4. Alcohol and Solvent free extraction

Some extraction processes involve the use of alcohol or solvents, which may leave residues in the final product. The use of alcohol also most often restricts the Ashwagandha ingredient from becoming certified Organic. Opt instead for water-based or green chemistry extractions as these methods are cleaner, safer, and environmentally friendly, while also enhancing taste, solubility, and overall quality.

5. Optimum withanolide content in the extract

Withanolides are one of the key bio-actives compounds in Ashwagandha. However, it is also important that an ideal extract maintains the herb’s natural balance of actives, preserving its full-spectrum profile. Ashwagandha’s efficacy is believed to be derived from a complex blend of active constituents and all these constituents need to be present in their natural proportions, which is why it is critical for an Ashwagandha root extract to be full spectrum.

While choosing an Ashwagandha extract, always ensure that the withanolide content is not too high (e.g >25% by HPLC). This will make the extract more like a pharmaceutical, where the focus is mainly on one particular bioactive. Likewise, it is important to ensure that the withanolide content is not too low (<2.5% by HPLC). This will result in the dosage of the extract being too high.

Therefore, always choose an extract that has an optimum percentage of withanolides (between 3% and 5% by HPLC), so that all the other constituents that are important for the herb’s efficacy are also represented adequately.

6. Quality certified extract

Certifications reflect a commitment to quality, safety, and regulatory compliance. Reputable manufacturers and suppliers invest in third-party audits and testing. The most important certifications for nutraceutical industry are:

• GMPs (Good Manufacturing Practices): Many manufacturers receive US FDA warnings annually for GMP non-compliance. Choose suppliers with prestigious third-party GMP certifications (USP, NSF, UL-NPA, WHO).
• FSMA-FSVP: If the finished product brand uses an ingredient that is being imported into the US, then the supplier needs to be certified and compliant with Foreign Supplier Verification Program (FSVP) under the Food Safety Modernization Act (FSMA).
• Food Safety & Special Dietary Certifications: Including SQF, BRC, FSSC, Non-GMO, Gluten-Free, Kosher, Halal, and BSCG.

KSM-66 Ashwagandha: Setting the Industry Standard

KSM-66 Ashwagandha by Ixoreal Biomed checks every box:

1. Root-only, full-spectrum extract adhering to the traditional Ayurveda and modern science.
2. Extensive clinical validation with over 50+ clinical trials in adherence to gold-standard research methods.
3. Vertically integrated operations ensuring transparency and traceability.
4. Green extraction processes aligned with the 12 principles of green chemistry.
5. Standardized withanolide content (>5%) for optimal efficacy and safety.
6. 46+ Global certifications highlighting unmatched quality and compliance.

Conclusion

With Ashwagandha’s demand soaring, choosing a reliable supplier is critical. KSM-66 Ashwagandha offers a gold standard for quality, transparency, and efficacy, making it a trusted choice for formulators and consumers worldwide.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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