🌿 Certified Organic Organic Root Extract 5% Withanolides
Organic Ashwagandha Capsules
★★★★★ 4.9 / 5 · 312 reviews
Our Organic Ashwagandha uses the clinically-studied certified organic root powder — standardized for consistent potency. Trusted by thousands to support calm focus, resilience to stress, restful sleep, and peak performance.*
- Reduces stress & cortisol levels naturally*
- Supports sustained energy without jitters*
- Promotes deep, restorative sleep*
- Enhances strength, endurance & recovery*
- Balances mood and supports mental clarity*
- USDA Organic · Vegan · Gluten-Free · Non-GMO
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*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Why Ashwagandha?
One of Ayurveda's most revered adaptogens — now backed by dozens of modern clinical studies.
Ancient Adaptogen
Used for 3,000+ years in Ayurvedic medicine to promote vitality, balance, and resilience. Ashwagandha is Sanskrit for "smell of horse" — symbolizing its legendary strength-giving properties.
Clinically Validated
Unlike many herbal supplements, ashwagandha has been studied in numerous randomized, double-blind, placebo-controlled human clinical trials confirming its benefits for stress, sleep, and performance.
organic ashwagandha Gold Standard
We use organic ashwagandha — the world's most clinically studied ashwagandha extract, using a proprietary green chemistry process that preserves the full-spectrum root profile.
6 Evidence-Based Benefits
Each benefit is supported by peer-reviewed clinical research. See the studies section below for full citations.
Stress & Anxiety Relief
Ashwagandha is a powerful adaptogen that modulates the hypothalamic-pituitary-adrenal (HPA) axis, helping your body resist physical and mental stressors. Clinical trials show significant reductions in perceived stress and cortisol levels.*
Deep, Restorative Sleep
Triethylene glycol (TEG) found in ashwagandha leaves promotes sleep onset, while natural compounds in ashwagandha help reduce nighttime anxiety. Studies show improved sleep quality and reduced time to fall asleep in adults with insomnia.*
Energy & Stamina
By supporting mitochondrial function and reducing oxidative stress, ashwagandha can meaningfully boost energy levels — without caffeine or stimulants. Users report sustained, calm energy throughout the day.*
Strength & Athletic Performance
Multiple studies in resistance-trained men and women show ashwagandha supplementation significantly increases muscle strength, size, and recovery speed compared to placebo over 8 weeks.*
Cognitive Function & Memory
Ashwagandha's neuroprotective compounds support acetylcholine signaling and reduce oxidative damage in the brain. Studies show improvements in memory, reaction time, and executive function.*
Hormonal Balance (Men & Women)
Research shows ashwagandha can support healthy testosterone levels in men, improve thyroid function, and help regulate cortisol — supporting hormonal health for both men and women.*
📋 Research & Clinical Studies
Ashwagandha is one of the most clinically researched adaptogens in the world. The following peer-reviewed studies — many using the same organic ashwagandha extract found in our formula — support its benefits.
Journal of the International Society of Sports Nutrition · 2015
Significant gains in muscle strength & recovery
A randomized, double-blind, placebo-controlled trial in 57 healthy young men found that 300 mg of organic ashwagandha ashwagandha twice daily for 8 weeks resulted in significantly greater gains in muscle strength on bench press and leg extension exercises, along with improved muscle recovery.
+18.6 kg bench press vs. +7.0 kg placebo Wankhede S, et al. (2015). Examining the effect of Withania somnifera supplementation on muscle strength and recovery. J Int Soc Sports Nutr, 12, 43. PubMed →
Medicine (Baltimore) · 2019
Reduced stress & anxiety, lower cortisol
A double-blind, randomized controlled trial in 60 adults with chronic stress compared 240 mg of ashwagandha extract daily vs. placebo. Subjects in the ashwagandha group reported significant reductions in anxiety and stress scores, along with measurably lower morning cortisol levels.
Cortisol reduced by 22.2% vs. placebo Pratte MA, et al. (2014) / Salve J, et al. (2019). Adaptogenic and Anxiolytic Effects of Ashwagandha. Medicine, 98(37). PubMed →
Sleep Medicine · 2020
Improved sleep quality in adults with insomnia
A randomized, double-blind, placebo-controlled study in 150 adults with insomnia found that 120 mg of ashwagandha root extract taken twice daily significantly improved sleep onset latency, total sleep time, sleep efficiency, and morning alertness after 6 weeks.
72% of participants reported improved sleep quality Langade D, et al. (2019). Efficacy and Safety of Ashwagandha Root Extract in Insomnia. PLoS ONE. PubMed →
Journal of Dietary Supplements · 2017
Enhanced cardiorespiratory endurance
A randomized, double-blind, placebo-controlled trial in elite cyclists found that 500 mg of organic ashwagandha ashwagandha taken twice daily for 8 weeks significantly improved VO2 max and time-trial performance compared to placebo, indicating improved cardiorespiratory endurance.
VO₂ max increased significantly vs. placebo Choudhary B, et al. (2015). Efficacy of Ashwagandha on cardiorespiratory endurance in elite Indian cyclists. Ayu, 36(1). PubMed →
American Journal of Men's Health · 2019
Supported healthy testosterone levels in men
A prospective, randomized, double-blind study in 50 overweight men aged 40–70 found that 300 mg of ashwagandha root extract twice daily for 8 weeks produced statistically significant increases in testosterone, along with improvements in vitality and sexual well-being scores.
Testosterone increased by 14.7% vs. placebo Lopresti AL, et al. (2019). A Randomized, Double-Blind, Placebo-Controlled Trial on Ashwagandha Effects on Testosterone. Am J Mens Health. PubMed →
Journal of Ethnopharmacology · 2014
Improved memory & cognitive function
A double-blind, randomized, placebo-controlled study in adults with mild cognitive impairment found that 300 mg of ashwagandha root extract twice daily for 8 weeks significantly improved immediate and general memory, executive function, attention, and information processing speed.
Significant improvements across 5 cognitive metrics Choudhary D, et al. (2017). Efficacy of Ashwagandha root extract in improving memory and cognitive function. J Dietary Suppl. PubMed →
Research Transparency: Studies cited used ashwagandha extracts including organic ashwagandha, similar in potency and standardization to our formula. Results represent group-level findings from clinical trials and individual results may vary. Links open PubMed abstracts. *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.
What's Inside
No fillers. No proprietary blends hiding under-dosed ingredients. Just clean, clinically-relevant doses.
Supplement Facts
Serving Size: 2 Capsules
Servings Per Container: 30
Servings Per Container: 30
Calories5
| Organic Ashwagandha Root Extract (organic ashwagandha) | 600 mg | † |
| Organic Black Pepper Extract (BioPerine® — 95% Piperine) | 5 mg | † |
† Daily Value not established.
Other Ingredients: Organic Vegetable Cellulose (capsule), Organic Rice Flour.
Clean Label Promise
Our formula contains just three ingredients: organic ashwagandha ashwagandha root extract, organic black pepper extract to enhance absorption, and an organic vegetable cellulose capsule. That's it.
No magnesium stearate. No silicon dioxide. No mystery "flow agents." Just the ingredients you need — nothing you don't.
Every batch is third-party tested for identity, potency, and purity — free from heavy metals, pesticides, and microbial contaminants.
✓ USDA Certified Organic
✓ organic ashwagandha Certified
✓ Vegan Capsule
✓ Gluten-Free
✓ Non-GMO
✓ Third-Party Tested
✓ Made in a cGMP Facility
✓ No Artificial Additives
How to Use
Simple, consistent use is the key to experiencing ashwagandha's full benefits.
1
Take 2 Capsules Daily
The clinically studied dose is 300–600 mg of organic ashwagandha extract. Our formula delivers 600 mg in just 2 capsules.
2
Morning or Evening
Take with your morning routine for stress support and energy, or in the evening to promote relaxation and sleep quality.
3
With or Without Food
Ashwagandha can be taken with food if you have a sensitive stomach, or on an empty stomach for faster absorption.
4
Allow 4–6 Weeks
Adaptogens work best with consistent use. Most people notice meaningful changes within 2–4 weeks; optimal benefits appear by 6–8 weeks.
How We Compare
Not all ashwagandha supplements are created equal. Here's how Simple Life Nutrition stacks up.
| Feature | Simple Life Nutrition | Generic Brands | Big Box Brands |
|---|---|---|---|
| Uses organic ashwagandha Certified Extract | ✓ | ✗ | Sometimes |
| USDA Certified Organic | ✓ | ✗ | ✗ |
| 600 mg Per Serving (clinical dose) | ✓ | ✗ | ✗ |
| Third-Party Tested for Purity | ✓ | ✗ | Rarely |
| No Fillers or Artificial Additives | ✓ | ✗ | ✗ |
| Vegan Capsule | ✓ | ✗ | Sometimes |
| 30-Day Money-Back Guarantee | ✓ | ✗ | ✗ |
What Our Customers Are Saying
★★★★★
Game changer for stress and sleep
I've tried several ashwagandha supplements and this one is noticeably different. I'm calmer during stressful situations at work, falling asleep faster, and waking up more rested. The purity and quality of Simple Life's formula really does make a difference.
★★★★★
My cortisol levels finally under control
After my doctor flagged high cortisol levels, she actually recommended I try ashwagandha. I chose Simple Life because of the organic certification and clean ingredients. 3 months later, my follow-up labs showed significant improvement.
★★★★★
Better gym performance, calmer mind
Been taking for 6 weeks now and the difference in my lifts is real — I'm hitting PRs I haven't seen in months. But honestly the biggest win is that I just feel less anxious in everyday life. The clean ingredients are a bonus.
Frequently Asked Questions
organic ashwagandha is a full-spectrum ashwagandha root extract made using a proprietary green chemistry process with no chemical solvents. It is the most clinically studied ashwagandha extract in the world, with over 24 randomized, double-blind, placebo-controlled trials. It's standardized to a minimum of maximum potency — the bioactive compounds responsible for ashwagandha's benefits — far above most generic extracts.
Most users begin noticing improvements in sleep quality and stress resilience within 2–4 weeks of consistent daily use. The full benefits for energy, strength, and cognitive function typically appear after 6–8 weeks. Ashwagandha works cumulatively — so consistency is key, which is why we recommend our 3- or 6-bottle option.
Ashwagandha is generally very well tolerated, but if you take medications for thyroid conditions, immunosuppressants, sedatives, or have a diagnosed health condition, please consult your healthcare provider before starting any new supplement. We always recommend speaking with your doctor first if you have specific concerns.
Yes — ashwagandha has been clinically studied in women and men with benefits for both. However, ashwagandha is not recommended during pregnancy or breastfeeding, as there is insufficient safety data for these populations. As with any supplement, consult your healthcare provider if you are pregnant, nursing, or trying to conceive.
Ashwagandha is well-tolerated by most people at recommended doses. Mild digestive discomfort can occur, especially on an empty stomach — taking with food typically resolves this. Rarely, some individuals report drowsiness, which makes evening dosing a good option. Large doses above the recommended amount should be avoided.
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