Ashwagandha
Ashwagandha (Withania somnifera) is a revered herb in traditional Ayurvedic medicine, primarily known for its adaptogenic properties. As an adaptogen, it helps the body adapt to various stressors, both physical and psychological, promoting balance and resilience. Its active compounds, called withanolides, are believed to be responsible for its diverse therapeutic effects. This botanical is often sought after for its calming effects, which can aid in reducing feelings of stress and anxiety, fostering a sense of tranquility. It is also commonly used to support restful sleep, making it a popular choice for individuals experiencing occasional sleeplessness. Beyond stress management, Ashwagandha may contribute to enhanced physical performance and recovery. Furthermore, Ashwagandha has been studied for its potential to support cognitive function, including memory and focus. Its widespread use in traditional healing systems highlights its perceived efficacy in promoting vitality and mental clarity, making it a versatile addition to a holistic health regimen.
Roots and berries of the Ashwagandha plant (Withania somnifera)
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Minimum300 mg
Maximum600 mg
Impact
Highest effect
Typical dose:300–600 mg
Ashwagandha is one of the most well-researched adaptogens for stress. It directly modulates the HPA axis, significantly reducing serum cortisol levels. This leads to a tangible and felt sense of calm, improved resilience to daily stressors, and better sleep quality, making it a foundational tool for managing chronic stress.
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Impact
High effect
Ashwagandha significantly reduces cortisol levels and the perception of stress, which protects the brain from the damaging effects of chronic stress. By calming the nervous system, it has been shown to improve memory, executive function, and attention while promoting resilience against mental fatigue.
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Impact
High effect
Typical dose:300–600 mg
As a powerful adaptogen, Ashwagandha's main cognitive benefit comes from its ability to mitigate the negative effects of chronic stress. By lowering cortisol, it can clear 'brain fog,' improve executive function, and enhance attention and information processing speed.
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Impact
High effect
Typical dose:300–600 mg
Intense training is a physical stressor that elevates cortisol. Ashwagandha helps the body adapt to this stress, leading to better hormonal balance, reduced feelings of fatigue, and improved sleep quality, which are all fundamental for optimal physical recovery and progress.
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Impact
High effect
Typical dose:300–600 mg
Ashwagandha is one of the most well-researched adaptogens. It helps the body manage stress by lowering levels of the stress hormone cortisol, leading to tangible benefits like reduced anxiety, improved sleep quality, and increased energy levels without being a stimulant.
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Melatonin
May enhance the sleep-promoting effects due to Ashwagandha's calming properties.
Valerian
Can synergistically enhance relaxation and sleep support.
GABA
Ashwagandha may complement GABA's calming neurotransmitter effects, promoting relaxation.
Theanine
Both promote relaxation without drowsiness; may offer synergistic calming effects.
Magnesium
Magnesium supports muscle relaxation and nerve function, which can be complemented by Ashwagandha's stress-reducing effects.
Rhodiola
Both are adaptogens and may offer synergistic benefits for stress management and energy.
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84 Best 
Superior Sleep
Doctor's Best
4.3
★★★★★
(457 ratings)
Ashwagandha: 250 mg
This product offers a robust combination of ingredients like Ashwagandha, 5-HTP, and Melatonin to support relaxation, balanced mood, and a more restful night's sleep.
86.5 Best 
Ashwagandha
HTP Hi-Tech Pharmaceuticals
4.7
★★★★★
(70 ratings)
Ashwagandha: 125 mg
A powerful Ashwagandha blend featuring 725mg total from branded Sensoril, KSM-66, and Ashwapure extracts, offering comprehensive adaptogenic support.
70.5 Budget 
Ashwagandha Alcohol-Free
Herb Pharm
4.6
★★★★★
(507 ratings)
Ashwagandha: 833 mg
An affordable 833mg alcohol-free liquid Ashwagandha root extract, convenient for quick absorption but without specific standardization details.
77.5 Value 
Full Spectrum Ashwagandha 570 mg
Planetary Herbals
4.7
★★★★★
(13000 ratings)
Ashwagandha: 500 mg
A budget-friendly, full-spectrum Ashwagandha blend (570mg total) combining raw herb and extract, suitable for general wellness.
95 Value 
Ashwagandha Extract 450 mg
Swanson
4.7
★★★★★
(3568 ratings)
Ashwagandha: 450 mg
An outstandingly priced and popular Ashwagandha root extract, standardized for potent withanolides, offering powerful adaptogenic benefits in capsules.
88 Best 
Cortisol Calm
Pure Encapsulations
4.6
★★★★★
(63 ratings)
Ashwagandha: 250 mg
This blend combines adaptogens like Ashwagandha and Rhodiola with calming L-Theanine and Magnolia to support stress relief, mood balance, and mental composure.
88.5 Value 
Standardized Extract Ashwagandha 450 mg
NOW
4.7
★★★★★
(55207 ratings)
Ashwagandha: 450 mg
A highly potent (450mg) and standardized Ashwagandha extract at an exceptionally low price, offering consistent benefits for stress and mood.
79.5 Best 
Ashwagandha With Sensoril 125 mg
Doctor's Best
4.6
★★★★★
(3257 ratings)
Ashwagandha: 250 mg
A dependable Ashwagandha supplement featuring 250mg of Sensoril extract from root and leaf, targeting stress and mood support.
68 Value 
Ashwagandha Extract
21st Century
4.7
★★★★★
(786 ratings)
Ashwagandha: 500 mg
An affordable Ashwagandha extract at 500 mg, suitable for general adaptogenic support but with a slightly confusing ingredient label.
85 Budget 
Anxiety & Stress Relief
Nature's Bounty
4.5
★★★★★
(9988 ratings)
Ashwagandha: 600 mg
This supplement offers a focused blend of Ashwagandha and L-Theanine, providing support for stress relief and a more relaxed state for daily well-being at an appealing price.
88 Best 
Ashwagandha Gummies Mixed Berry
Goli Nutrition
4.5
★★★★★
(7817 ratings)
Ashwagandha: 300 mg
A highly popular and palatable gummy featuring KSM-66 Ashwagandha extract and Vitamin D2, ideal for convenient daily stress and mood support.
82.5 Best 
Ashwagandha Sensoril
Natural Factors Stress-Relax
4.7
★★★★★
(3061 ratings)
Ashwagandha: 250 mg
A high-quality Ashwagandha supplement featuring 250mg of Sensoril extract, suitable for stress and mood support.
92 Value 
Ashwagandha 450 mg
Swanson
4.7
★★★★★
(28358 ratings)
Ashwagandha: 900 mg
An incredibly popular and budget-friendly Ashwagandha powder in capsules, offering substantial adaptogenic support for overall well-being.
91 Value 
Full Spectrum Ashwagandha 570 mg
Planetary Herbals
4.7
★★★★★
(13021 ratings)
Ashwagandha: 500 mg
A highly popular and cost-effective 'full spectrum' Ashwagandha product, blending raw powder and extract for comprehensive adaptogenic support.
78 Best 
Ultimate Ashwagandha 250 mg KSM-66
Swanson
4.7
★★★★★
(2564 ratings)
Ashwagandha: 250 mg
An affordable and flexible Ashwagandha option with the well-regarded KSM-66 extract, suitable for those looking for customizable daily dosing.
69.5 Value 
Standardized Extract Ashwagandha 500 mg
Mason Natural
4.7
★★★★★
(754 ratings)
Ashwagandha: 500 mg
A very affordable Ashwagandha extract (500mg) that lacks specific standardization details, suitable for general adaptogenic support on a budget.
68 Value 
Full Spectrum Ashwagandha 570 mg
Planetary Ayurvedics
4.7
★★★★★
(1249 ratings)
Ashwagandha: 500 mg
An affordable full-spectrum Ashwagandha tablet blending whole herb and extract for broad adaptogenic support.
70 Value 
Ashwagandha Root Extract 450 mg
California Gold Nutrition
4.7
★★★★★
(6054 ratings)
Ashwagandha: 450 mg
An exceptionally affordable Ashwagandha root extract at 450 mg, offering economical daily support for general well-being.
78 Best 
Adrenal Serenity
Natural Factors Stress-Relax
4.7
★★★★★
(5799 ratings)
Ashwagandha: 250 mg
A blend of adaptogens including Sensoril Ashwagandha, Eleuthero, and Rhodiola, plus Lavender, designed to help manage stress and promote relaxation.
85 Best 
Ashwagandha KSM-66 600 mg
NutraBio
4.7
★★★★★
(4275 ratings)
Ashwagandha: 600 mg
A top-tier Ashwagandha supplement with a potent 600 mg KSM-66 extract, offering excellent support for stress, mood, and physical well-being.
68 Value 
Ashwagandha 500 mg
AN Amazing Nutrition Amazing Formulas
5.0
★★★★★
(6 ratings)
Ashwagandha: 500 mg
A highly economical Ashwagandha option with a standard 500 mg dose, best for budget-conscious users seeking general adaptogenic support.
82 Best 
Stress Relief Plus
EB Earth's Bounty
4.6
★★★★★
(32 ratings)
Ashwagandha: 250 mg
This supplement combines a robust B-vitamin profile with adaptogenic Ashwagandha and calming L-Theanine to support stress relief, mood, and mental clarity.
Average$28.95
Median$23.49
Average$0.73
Median$0.49
Average$0.18
Median$0.09
Reference amount: 100 mg
Withanolides are a group of naturally occurring steroids found almost exclusively in the Solanaceae family, with Withania somnifera (Ashwagandha) being a prominent source. They are considered the main bioactive constituents responsible for Ashwagandha's adaptogenic, anxiolytic, anti-inflammatory, and neuroprotective properties. Standardized extracts often focus on their concentration.
- Direct therapeutic effects
- Targeted action due to specific bioactive compounds
- Allows for precise dosing and potency
- Isolation may lose synergistic effects of other compounds present in the whole plant
- Can be more expensive than less concentrated forms
- Purity and source are crucial for efficacy
Avg$33.61
Med$29.99
Avg$0.34
Med$0.37
Avg$0.23
Med$0.11
Price distribution
Ashwagandha Root Extract is a highly utilized form, typically prepared by extracting the bioactive compounds from the dried roots of the Withania somnifera plant. These extracts are often standardized to contain a specific percentage of total withanolides, ensuring consistent potency. The root is traditionally the most valued part of the plant for its medicinal properties, associated with adaptogenic, stress-reducing, and performance-enhancing effects.
- Well-researched and widely available form
- Often standardized for consistent potency (e.g., KSM-66, Sensoril)
- Traditional usage supports efficacy for a broad range of benefits
- Quality can vary significantly if not standardized or from reputable suppliers
- Some individuals may experience mild gastrointestinal upset
- Potential for interaction with certain medications
Avg$35.30
Med$28.99
Avg$1.31
Med$1.33
Avg$0.27
Med$0.20
Price distribution
Ashwagandha Root Extract is a highly utilized form, typically prepared by extracting the bioactive compounds from the dried roots of the Withania somnifera plant. These extracts are often standardized to contain a specific percentage of total withanolides, ensuring consistent potency. The root is traditionally the most valued part of the plant for its medicinal properties, associated with adaptogenic, stress-reducing, and performance-enhancing effects.
- Well-researched and widely available form
- Often standardized for consistent potency (e.g., KSM-66, Sensoril)
- Traditional usage supports efficacy for a broad range of benefits
- Quality can vary significantly if not standardized or from reputable suppliers
- Some individuals may experience mild gastrointestinal upset
- Potential for interaction with certain medications
Avg$35.30
Med$28.99
Avg$1.31
Med$1.33
Avg$0.27
Med$0.20
Price distribution
Oligosaccharides are complex carbohydrates present in Ashwagandha. While not the primary bioactive compounds responsible for its adaptogenic effects, they may contribute to the plant's overall health benefits, potentially through gut microbiome interaction or general nutritional support, though research specifically on Ashwagandha oligosaccharides is limited compared to withanolides.
- Natural component of the plant
- May have prebiotic effects, supporting gut health
- Contributes to the whole plant synergy
- Less direct evidence for primary Ashwagandha benefits (e.g., stress relief)
- Not typically the target of standardization for efficacy
- Specific efficacy for core adaptogenic goals not well-established
Avg$23.16
Med$26.25
Avg$0.47
Med$0.33
Avg$0.05
Med$0.03
Price distribution
'Total Withanolides' refers to the analytical quantification of all identified withanolide compounds present in an Ashwagandha extract. This standardization ensures a consistent level of the primary active ingredients across different batches, directly correlating with the adaptogenic and therapeutic efficacy of the supplement. It's often a key marker for the quality and potency of Ashwagandha products.
- Ensures consistent potency and efficacy across batches
- Reflects the full spectrum of active withanolides contributing to benefits
- Highly effective for targeted therapeutic outcomes
- May not specify the exact proportion of each individual withanolide
- Products standardized for 'Total Withanolides' can be more expensive
- Requires reliable testing methods for accurate quantification
Avg$19.33
Med$20.00
Avg$0.08
Med$0.08
Avg$0.02
Med$0.02
Price distribution
Withanolide glycosides are a subclass of withanolides where one or more sugar molecules are covalently linked. These conjugates are important for the natural diversity of active compounds in Ashwagandha and can affect properties such as water solubility, bioavailability, and interaction with target receptors. They are considered key contributors to the adaptogenic profile of the plant.
- May offer improved water solubility and specific absorption pathways
- Contributes to the full spectrum of Ashwagandha's benefits
- Part of the natural complexity and efficacy of the herb
- Specific research on their individual efficacy compared to free withanolides is ongoing
- Can be less potent if the sugar moiety inhibits immediate activity
- Requires consideration of how the body processes the glycoside bond
Avg$12.43
Med$12.99
Avg$0.28
Med$0.22
Avg$0.02
Med$0.02
Price distribution
Ashwagandha Leaf Extract is prepared from the leaves of Withania somnifera. While the leaves also contain withanolides and other bioactive compounds, their specific therapeutic profile and traditional usage are less established compared to the roots. Some modern formulations may include leaf extracts, but the majority of scientific research and traditional Ayurvedic use focuses on the root.
- Contains active compounds, including withanolides
- Can be a more sustainably harvested part of the plant
- May offer a slightly different phytochemical profile than root extracts
- Less scientific evidence for efficacy compared to root extracts
- Not traditionally the primary medicinal part of the plant
- Standardization can be less consistent or established
Avg$13.97
Med$13.97
Avg$0.23
Med$0.23
Avg$0.03
Med$0.03
Price distribution
Withanolide glycoside conjugates are withanolides that have sugar molecules attached. This structural modification can influence the compound's solubility, absorption, and stability within the body, potentially leading to different pharmacokinetic profiles compared to free withanolides. Some research suggests these forms may contribute significantly to the bioactivity of Ashwagandha extracts.
- Potentially enhanced or sustained bioavailability compared to unconjugated forms
- Contribute to the broad spectrum of action of Ashwagandha
- May have unique therapeutic properties or improved delivery
- Research specifically distinguishing their efficacy from free withanolides can be complex
- May require specific enzymatic activity for release of active forms in the body
Avg$28.10
Med$28.10
Avg$0.60
Med$0.60
Avg$0.55
Med$0.55
Price distribution
This general term refers to the Withania somnifera plant itself, often implying the raw powdered root or an unspecified preparation. While it embodies all the traditional benefits, the potency and consistency can vary significantly compared to standardized extracts, which measure specific active compounds like withanolides.
- Whole plant synergy, including a full spectrum of compounds
- Traditional form of use for centuries in Ayurvedic medicine
- Generally safe for most individuals
- Variable potency, as active compound concentration is not guaranteed
- Dosage can be less precise than standardized extracts
- May contain inactive plant material or contaminants if not from a reputable source
Avg$10.29
Med$10.29
Avg$0.18
Med$0.18
Avg$0.46
Med$0.46
Price distribution