Ashwagandha (Withania somnifera) is a powerful adaptogenic herb gaining immense popularity for its potential health benefits. From reducing stress and anxiety to improving sleep and boosting cognitive function, many seek it out as a supplement. Costco, known for its bulk pricing and quality products, is a frequent destination for supplement shoppers. This article details what ashwagandha options Costco typically offers, pricing, considerations, and alternatives.
What Ashwagandha Forms Does Costco Carry?
Costco’s inventory fluctuates, but generally, you can find these ashwagandha forms:
- Capsules: The most common form. Typically contain a standardized extract of ashwagandha root.
- Powder: Less frequent, but sometimes available. Allows for mixing into smoothies or beverages.
- Gummies: A newer, more palatable option, particularly for those who dislike pills.
Brands vary. Nature Made and NOW Foods are frequently stocked. Occasionally, Costco carries its own Kirkland Signature brand ashwagandha.
Costco Ashwagandha Pricing (as of Late 2023/Early 2024)
Pricing is subject to change based on location and promotions. Here’s a general estimate:
- Nature Made Ashwagandha Capsules (120 count): ~$22 ౼ $28
- NOW Foods Ashwagandha Capsules (120 count): ~$20 ‒ $25
- Kirkland Signature Ashwagandha (if available, typically 240 capsules): ~$25 ౼ $35 (excellent value per capsule)
- Ashwagandha Gummies (count varies): ~$25 ‒ $30
Key Considerations When Buying Ashwagandha at Costco
Standardization & Extract Ratio
Look for products standardized to a certain percentage of withanolides (typically 2.5% ‒ 10%); Withanolides are the active compounds believed to be responsible for ashwagandha’s benefits. Higher standardization generally indicates a more potent product.
Form of Ashwagandha
KSM-66 is a highly researched, full-spectrum root extract known for its efficacy. Sensoril is another popular extract. Consider these when choosing.
Third-Party Testing
Ensure the product has been third-party tested for purity and potency (e.g., by USP, NSF International, or ConsumerLab.com). This verifies the label claims and ensures the product is free from contaminants.
Dosage
Typical dosages range from 300-600mg of standardized extract daily. Follow the product label instructions or consult with a healthcare professional.
Alternatives if Costco is Out of Stock
If Costco doesn’t have the ashwagandha you’re looking for, consider these alternatives:
- Amazon: Wide selection, competitive pricing, but verify seller reputation.
- iHerb: Specializes in supplements, often has good deals.
- Vitamin Shoppe: Brick-and-mortar and online options.
- Direct from Brand Websites: NOW Foods, Nature Made, etc.
This information is for general knowledge and informational purposes only, and does not constitute medical advice. It is essential to consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.



