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The Best Ashwagandha Supplements of 2024
Ashwagandha, a traditional adaptogenic herb from Ayurvedic medicine, has become widely popular for its many health benefits. Known for its ability to reduce stress, enhance mood, improve cognitive function, and even support immune health, ashwagandha is a versatile supplement that appeals to people seeking natural wellness solutions.
But with so many options on the market, it can be tough to know which one to choose. That’s why we reviewed over 40 of the most popular ashwagandha supplements and ranked the top 5 for you in this guide! Let’s begin by going over what you should look for when choosing a supplement.
What to Look for in an Ashwagandha Supplement
- Standardization and Potency: look for products standardized to contain withanolides—the active compounds responsible for ashwagandha’s effects. You’ll want to look concentrations around the 5% mark.
- Purity and Quality: choose supplements that are third-party tested for purity, ensuring they are free from contaminants, fillers, and unnecessary additives.
- Clinically Studied Extracts: KSM-66 is the most researched form of ashwagandha¹, with studies showing its effectiveness in stress reduction, cognitive enhancement, immune support, and athletic performance.
- Additional Absorption Ingredients: some formulas include extra ingredients like piperine (derived from black pepper), which significantly boosts nutrient absorption², making you feel the benefits of the supplement more intensely and faster.
What to Avoid in an Ashwagandha Supplement
- Non-Standardized Extracts: avoid products that don’t specify their withanolide content, as they may lack potency and deliver inconsistent results.
- Unknown or Unverified Sources: choose brands that offer transparent ingredient sourcing and third-party lab testing to ensure product safety and efficacy.
- Unnecessary Additives: steer clear of products with artificial fillers, sweeteners, or allergens that don’t contribute to the supplement’s effectiveness.
Understanding KSM-66 vs. Regular Ashwagandha
KSM-66 Ashwagandha is a highly refined and standardized extract designed to deliver consistent and potent effects. Unlike regular ashwagandha, KSM-66 is produced with an advanced extraction method that ensures a high withanolide content (over 5%), while preserving the full spectrum of beneficial compounds. Additionally, KSM-66 undergoes extensive quality control, making it purer and more reliable.
This standardized form has been clinically validated for its benefits in stress reduction, cognitive health, immunity, endurance, and more, with studies published in peer-reviewed journals. Regular ashwagandha extracts may vary in potency, purity, and effectiveness, lacking the same level of scientific support and standardized dosage.
Top 5 Ashwagandha Supplements of 2024
1. Natgrown KSM-66 Ashwagandha — Best Overall
A+
Overall Grade
Natgrown’s KSM-66 Ashwagandha stands out by using 600 mg of the highly potent and clinically validated KSM-66 extract, delivering effective support for stress relief, cognitive health, and immune function.
Enhanced with piperine for optimal absorption, it maximizes benefits while being completely free from fillers, artificial additives, and common allergens.
It’s also gluten-free, non-GMO, soy-free, vegan, and third-party tested—making it one of the purest and most reliable ashwagandha supplements on the market.
Pros
- Uses 600 mg of KSM-66, a highly potent and clinically validated ashwagandha extract.
- Provides effective support for stress management, cognitive health, and immune function.
- Piperine enhances nutrient absorption for better results.
- Free from fillers, artificial additives, and common allergens.
- Lab-tested, gluten-free, non-GMO, soy-free, and vegan.
Cons
- Only available online
- Occasionally out of stock
Many customers report excellent results from Natgrown’s KSM-66 Ashwagandha supplement, especially praising its quality, ease of use, and noticeable effects.
- ★★★★★ Belinda, Verified Buyer: “Ashwagandha KSM-66 is great for many things. I find it easy to swallow with no aftertaste. I really like that you get a two-month supply in one bottle. I prefer the natural way of doing things over taking prescription meds and this is definitely something that I rely on.”
- ★★★★★ Bessie, Verified Buyer: “I sometimes struggle to sleep and was reading about the benefits of Ashwagandha as a sleep aid so decided to give this one a try. After a few uses I am a believer. I am able to relax at night and sleep much better than normal which is wonderful. The capsules are easy to swallow and have no taste. So far I’ve seen no adverse effects of taking this so I definitely plan to make this part of my regular routine.”
- ★★★★★ Zenora Trail, Verified Buyer: “This Ashwagandha root powder capsules have been wonderful. I’m a big fan of this root, I’ve used it for some time across different brands to help me sleep or relax. I love that this brand is organic and is combined with black pepper extract to help you absorb it. You get a nice dose in one capsule, but I usually like to take two still for sleeping. I’ve had no ill side effects, and zero issues with taste.”
2. KSM-66 Ashwagandha Capsules by Nootropics Depot
B+
Overall Grade
Nootropics Depot offers a KSM-66 Ashwagandha supplement that promotes relaxation, mood balance, and cognitive function. The product is known for its adaptogenic effects, helping users manage stress and anxiety while supporting mental clarity and focus. However, it contains only 300 mg of KSM-66 per serving.
Pros
- Uses clinically studied KSM-66 extract for reliable stress relief and mood enhancement.
- Supports focus, cognitive function, and physical endurance.
Cons
- Contains milk allergens, which may limit suitability for some users.
- Lower dosage (300 mg).
Nootropics Depot’s KSM-66 Ashwagandha is a solid option for stress relief and cognitive support, but its lower dosage and milk allergens may make others a better choice for those seeking higher potency and allergen-free options.
3. Organic Ashwagandha by Happy Healthy Hippie
B
Overall Grade
Happy Healthy Hippie’s Organic Ashwagandha is formulated to help users combat stress and adrenal fatigue while providing immune support. Known for its clean, organic sourcing, this supplement helps balance stress levels and boost immune health with its natural adaptogenic properties.
Pros
- Organic formula without synthetic additives or fillers.
- Effective for adrenal support and immune health.
Cons
- Does not specify withanolide content, which may limit effectiveness.
- Not standardized, making it less potent than KSM-66 options.
Happy Healthy Hippie’s ashwagandha is ideal for those seeking a gentle, organic supplement. However, the lack of KSM-66 standardization and unspecified withanolide levels may make it less potent than others that have.
4. Ashwagandha Capsules by North American Herb & Spice
B-
Overall Grade
This ashwagandha blend by North American Herb & Spice is fortified with raw royal jelly, adding support for hormone health and adrenal function. The blend is designed to help both men and women balance hormones while reducing stress and improving mood.
Pros
- Contains raw royal jelly for added hormonal support.
- Supports adrenal health and reduces stress response.
Cons
- Lacks KSM-66 standardization, so potency may be lower.
- More expensive due to the added royal jelly ingredient.
North American Herb & Spice’s ashwagandha is ideal for those focused on hormone balance and adrenal support. However, it may not be as potent as the standardized KSM-66 formula.
5. Ashwagandha by Renue by Science
B-
Overall Grade
Renue by Science’s Ashwagandha uses an advanced liposomal delivery system to improve bioavailability and ensure consistent, long-lasting effects. This supplement’s innovative delivery method helps counteract the rapid metabolism of ashwagandha, promoting a steadier release into the bloodstream.
Pros
- Liposomal delivery system improves bioavailability and absorption.
- Uses root-only extract to avoid cytotoxic compounds.
Cons
- Lacks KSM-66 extract, meaning variable potency and benefits.
- Liposomal technology may raise the price significantly.
Renue by Science’s liposomal ashwagandha is a great option for those seeking improved absorption, but it may not deliver the same level of research-backed benefits as KSM-66.
Why Natgrown’s KSM-66 Ashwagandha Is the Best Choice
With its 600 mg of high-potency KSM-66 extract, Natgrown’s Ashwagandha supplement offers consistent and effective benefits for managing stress, enhancing cognitive function, supporting immune health, and boosting mood. KSM-66’s superior standardization, scientific validation, and purity make it the best choice for those serious about ashwagandha’s benefits.
For a comprehensive, high-quality ashwagandha supplement that delivers scientifically backed results, Natgrown’s KSM-66 Ashwagandha is the clear #1 choice for 2024.
References
- Published Clinical Studies on KSM-66 Ashwagandha
- A Comprehensive Review on Pharmacotherapeutics of Herbal Bioenhancers
For a comprehensive, high-quality ashwagandha supplement that delivers scientifically backed results, Natgrown’s KSM-66 Ashwagandha is the clear #1 choice for 2024.