Ashwagandha: The Most Powerful Adaptogen from Ayurveda – What Science Confirms
Ashwagandha (Withania somnifera) reduces cortisol by 30%, improves sleep, strength, and libido. Everything about dosing, KSM-66 vs Sensoril, and why our extract has the highest purity.
Ashwagandha (Withania somnifera) has been used in Ayurvedic medicine for over 3,000 years. In the last 10 years, modern science has confirmed what ancient healers always knew.
Ashwagandha in Numbers – Clinical Studies
Effect
Study Result
Source
Cortisol reduction
-30% after 60 days
Chandrasekhar et al. (2012)
Sleep improvement
72% of subjects sleep better
Langade et al. (2019)
Testosterone increase
+17% after 8 weeks
Lopresti et al. (2019)
Muscle strength gain
+18.7% bench press 1RM
Wankhede et al. (2015)
Anxiety reduction
-56.5% on HAM-A scale
Chandrasekhar et al. (2012)
1. Stress Killer – Reduces Cortisol by 30%
Chronic stress is the silent killer of modern humans. Elevated cortisol causes abdominal fat accumulation, sleep disruption, anxiety, and accelerated aging. A study showed 30% lower serum cortisol after 60 days.
2. Better Sleep – Without Pills
The Latin name "somnifera" literally means "brings sleep." 72% of subjects reported significantly better sleep. Unlike melatonin and sleeping pills, ashwagandha doesn't cause daytime drowsiness or dependency.
3. Natural Testosterone Booster
+17% total testosterone and +18% DHEA-S after 8 weeks. Combined with shilajit (+23.5% testosterone), ashwagandha and shilajit together form the most powerful natural testosterone stack.
KSM-66 vs Sensoril vs Regular Extract
Property
KSM-66
Sensoril
Regular Extract
Withanolides
5%
10%+
1.5–2.5%
Plant part
Root only
Root + leaves
Whole plant
Clinical studies
24+ studies
12+ studies
Few or none
Focus
Energy, sports, testosterone
Sleep, anxiety, cortisol
Unpredictable
Dosing and How to Take
Goal
Dose
When
Note
Stress reduction
300–600mg/day
Morning or evening
Split into 2 doses
Better sleep
300mg
1h before bedtime
Combine with magnesium
Testosterone and libido
600mg/day
Morning on empty stomach
Add shilajit 500mg for max effect
Athletic performance
600mg/day
1h before training
Combine with protein and creatine
Power Stack: Ashwagandha + Shilajit
This combination is one of the most powerful natural stacks. Ashwagandha reduces cortisol and increases testosterone, while shilajit improves absorption of all nutrients through fulvic acid. Together they work synergistically.
Who Should NOT Take Ashwagandha?
●Pregnant and nursing women
●People with autoimmune diseases (Hashimoto's, lupus, MS)
●People taking thyroid medications
●People before surgery – stop 2 weeks beforehand
FAQ
🌿 Ashwagandha + Shilajit = most powerful natural adaptogenic stack. Both products available in our range.
Sources / Izvori
Veronese N, Pizzol D, Smith L, Soysal P, Solmi M, Scarsi M, Correll CU, Koyanagi A, Capobianco L, Barbagallo M, Vancampfort D, Puthusseri B, Fornaro M (2025). The effect of Withania somnifera (Ashwagandha) on mental health symptoms in individuals with mental disorders: systematic review and meta-analysis. Evid Based Ment Health. PMID: 41140145
Alsanie SA, Alhodieb FS, Askarpour M (2026). Effects of ashwagandha (Withania somnifera) on mental health in adults: A systematic review and dose-response meta-analysis of randomized controlled trials. Complement Ther Med. PMID: 41644067
Albalawi AA (2025). Dual impact of Ashwagandha: Significant cortisol reduction but no effects on perceived stress - A systematic review and meta-analysis. Nutr Health. PMID: 40746175
Saqib S, Qureshi A, Ashraf RM, Al-Mussawi T (2024). Effects of Ashwagandha (Withania Somnifera) on stress and anxiety: A systematic review and meta-analysis. Explore (NY). PMID: 39348746
Di Matteo Della Porta M, Spiga S (2023). Effects of Withania somnifera on Cortisol Levels in Stressed Human Subjects: A Systematic Review. Nutrients. PMID: 38139556
Dargahi L, Ghasemi F, Gholami M, Mofidi F, Asadi M, Zareei P, Zareei M, Rezaei O, Hekmatdoost A (2022). Does Ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trials. Phytother Res. PMID: 36017529
Lopresti AL, Smith SJ, Malouf H, Thornton SJ, Shand AA (2019). An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract: A randomized, double-blind, placebo-controlled study. Medicine (Baltimore). PMID: 31538356
