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Nutricost KSM-66 Ashwagandha Root Extract (600mg) 60 Capsules

Based on 4,189 reviews
Condition: New
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$14.95

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Arrives Saturday, Oct 31
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At a glance

Condition
New
Size
60 Count (Pack of 1)
Model
NC-KSM66-60C
Weight
0.59 g
Item Form
capsules
Container Type
Bottle
Diet Type
Gluten Free

Features 5

  • 600mg of KSM-66 Ashwagandha Root Extract Per Serving (60 Servings)
  • 60 Veggie Caps Per Bottle
  • 5% Withanolides (30mg Per Cap)
  • BioPerine For Improved Absorption

Description

Where are Nutricost products made? Nutricost products are made in the USA using globally sourced ingredients in a GMP-compliant facility. How should I take this product? As a dietary supplement, take 1 capsule daily with 8-12 oz of water or as directed by your healthcare professional. Is this product third-party tested? Yes. This product has been third-party tested to meet quality and safety standards.† How many servings does this product have? 60 Servings KSM-66 Ashwagandha Nutricost Ashwagandha Magnesium + Ashwagandha Nutricost Rhodiola Rosea Nutricost L-Theanine Nutricost Valerian Root

Specs 28

Package Dimensions 3.9 x 2.01 x 1.97 inches; 0.02 ounces
Item model number NC-KSM66-60C
Manufacturer Nutricost
Brand Name Nutricost
Item Form capsules
Container Type Bottle
Recommended Uses For Product High Potency
Diet Type Gluten Free

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Oct 31

This item is non-returnable:

Non-returnable due to Food safety reasons

View our full returns policy here.

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Top Amazon Reviews


Ssolid quality, effective, and affordable
Size: 60 Count (Pack of 1)
I’ve been using the Nutricost KSM-66 Ashwagandha Root Extract capsules for a while now, and overall I’m really impressed with the quality and results. First off, the capsules are easy to swallow and don’t have any weird aftertaste, which is a big plus. The fact that it uses KSM-66—a well-known, high-quality, full-spectrum ashwagandha extract—gave me confidence that I was getting a potent and reliable product. After a couple of weeks of consistent use, I started noticing a difference in my stress levels. I felt calmer during the day, less overwhelmed, and more balanced overall. It also seemed to help with my sleep—I wasn’t necessarily knocked out, but I found it easier to relax and fall asleep naturally. Another thing I like is the clean ingredient profile. No unnecessary fillers, and it feels like a straightforward supplement you can trust. The bottle also offers great value for the price compared to other brands using the same extract. If you’re looking for a natural way to help manage stress, improve mood, or support overall wellness, this is definitely worth trying. Just remember that like most supplements, consistency is key—it’s not an overnight fix, but it builds up over time. ... show more
Reviewed in the United States on April 12, 2026 by freddie

Helps a lot with life’s stress
Size: 60 Count (Pack of 1)
Life is very stressful generally speaking - Lately, even more so. I’m a full time employee, in leadership with a lot of people relying on me, starting my own business, and a husband/father of 3 kids. Life is stressful, but sometimes to get what we want, we have to endure that. How I show up is important to me and curbing some of that stress was what I was after. Taking this has helped. Obviously, the stress isn’t gone. But my general overall mood has improved and overstimulation has been eased. I haven’t had any side effects or noticed any bad tastes or anything bad. I would suggest if taking this, like most herbs, cycle it to ensure it doesn’t negatively impact your liver. That’s nothing bad about this supplement, just a fact a lot overlook for most supplements! ... show more
Reviewed in the United States on July 16, 2026 by Joey Brown

Solid KSM-66 Ashwagandha Supplement from a Brand I’ve Had Good Luck With
Size: 60 Count (Pack of 1)
I picked this up mainly because KSM-66 seems to be one of the more recognizable and standardized forms of ashwagandha, and I wanted something straightforward without a bunch of mystery blend ingredients. One thing I liked right away is that the label is very clear about the dosage and withanolide percentage instead of hiding everything behind vague proprietary marketing terms. The capsules are easy enough to take, and the addition of BioPerine is a nice touch since it’s commonly used to help with absorption in supplements like this. I’ve mainly used this as part of a broader daily wellness and stress-management routine rather than expecting some kind of instant miracle effect. Supplements like ashwagandha tend to feel more subtle and consistency-based instead of dramatic overnight changes. The full-spectrum root extract approach was also one of the reasons I chose this version specifically over some cheaper alternatives. So far I haven’t noticed any major stomach irritation or unpleasant side effects during use, and overall the product feels clean and well formulated. I’ve also generally had good experiences with Nutricost products in the past, so I felt reasonably comfortable trying this version. Overall, this has been a solid straightforward KSM-66 ashwagandha supplement with transparent labeling, decent formulation, and no unnecessary hype-filled nonsense. ... show more
Reviewed in the United States on May 29, 2026 by Richard Lykins

High quality
Size: 60 Count (Pack of 1)
★★★★★ The Nutricost KSM-66 Ashwagandha Root Extract 600mg is a high-quality supplement with a convenient dosage. The capsules are easy to take, and I appreciate that it uses KSM-66, a well-known form of ashwagandha extract. The bottle is well packaged, and the quality feels excellent. I like that it provides a simple way to add ashwagandha to my daily routine. The capsules have no strong taste or smell, making them easy to include with my other supplements. Overall, this is a good value product with quality ingredients, and I’m happy with my purchase. ... show more
Reviewed in the United States on July 11, 2026 by KPEREZ

Very beneficial!
Size: 60 Count (Pack of 1)
I was a little skeptical of the benefits of the KSM-66 Ashwagandha Root Extract, but those doubts were washed away pretty quickly. In only a few days, I noticed I felt lighter, less stressed and more focused. I saw some people commenting on the taste, but personally I didn't mind it! It almost tasted good in a way, and for the benefits I've felt in my daily life, it seems absolutely worth it to have even if it tasted bad. It is a simple addition to my routine, taking this, and I feel it is incredibly beneficial. The cost for what you get in a container is good as well. Overall, I feel this was a much-needed purchase, as these helped me sleep better, feel better, and even eat better! ... show more
Reviewed in the United States on June 26, 2026 by Amazon Customer

Great product.
Size: 60 Count (Pack of 1)
Ashwagandha KSM-66 is a highly concentrated, patented root extract commonly used to reduce stress, lower cortisol levels, and improve sleep quality. As an adaptogen, it helps the body manage physical and mental tension while also supporting cognitive function, athletic performance, and hormonal balance. ... show more
Reviewed in the United States on May 31, 2026 by Ricko

Great product
Size: 60 Count (Pack of 1)
Great product gives me the perfect amount of energy and calmness
Reviewed in the United States on June 25, 2026 by MARCOS MACIAS

Good for peace and testosterone
Size: 60 Count (Pack of 1)
It works pretty well, feel more calm and at peace. Also feel the effects of higher testosterone, my wife does as well 😃
Reviewed in the United States on July 25, 2026 by Brian Hernandez
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