Ashwagandha Research

Teelixir's evidence-based guide to Withania somnifera — the most-studied adaptogen for stress, cortisol, and hormonal balance. Our research library draws on 1,584+ published studies, including 29 human RCTs, to separate what works from what doesn't.

Start here: Ashwagandha Benefits — Complete Evidence Guide · Dosage Guide · Side Effects & Safety

By health goal: Anxiety & Stress · Sleep · Depression & Mood · Testosterone · Thyroid · Muscle & Strength · Weight Loss

For women: Hormones, Perimenopause & Fertility · Hair & Skin

Compare: vs Lion's Mane · vs Rhodiola · vs Maca · vs Ginseng · vs Reishi · vs Cordyceps

Stacks: + Magnesium

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Ashwagandha

Ashwagandha vs Rhodiola: The Calm-Alert Spectrum
Ashwagandha vs Rhodiola: The Calm-Alert Spectrum
Ashwagandha calms while rhodiola energises. Compare these two popular adaptogens by evidence, mechanisms, and who each one suits best.
Ashwagandha vs Maca: The Stress-Energy Axis Explained
Ashwagandha vs Maca: The Stress-Energy Axis Explained
Ashwagandha calms the stress response while maca fuels energy from the ground up. Compare evidence, mechanisms, and find which suits you best.
Ashwagandha vs Ginseng: Which Adaptogen Is Right for You?
Ashwagandha vs Ginseng: Which Adaptogen Is Right for You?
Ashwagandha and ginseng are both adaptogens, but they work differently. Here’s how to choose for energy, stress, recovery, or focus — plus dosing.
Ashwagandha vs Cordyceps: The Mind-Body Stress Map
Ashwagandha vs Cordyceps: The Mind-Body Stress Map
Ashwagandha supports mental stress while cordyceps targets physical endurance. Compare evidence, mechanisms, and find which suits your needs.
Ashwagandha for ADHD and focus — evidence-based guide
Ashwagandha for ADHD: Does It Help Adults With Focus?
Can ashwagandha help with ADHD symptoms in adults? Here's the evidence on cortisol, focus, and whether it's safe to combine with Ritalin or Vyvanse.
Ashwagandha root and magnesium minerals on timber surface in warm golden light
Ashwagandha and Magnesium Together: Stack Benefits & Dosing
Ashwagandha and magnesium work on separate systems — stress hormones and neuromuscular relaxation. Combined, they support deeper sleep and daily calm.
Dried ashwagandha roots and green leaves with herbal tea, liver health research setting
Ashwagandha for Fatty Liver: Evidence, NAFLD & Safety

Can ashwagandha help with fatty liver or NAFLD? Preclinical studies show promise; rare liver injury cases reported. Evidence grade: MODERATE.

Dried ashwagandha roots on dark slate surface with scattered powder, scientific research concept, warm directional lighting
Ashwagandha and Cancer Research: The Petri Dish Problem
An honest evidence review of ashwagandha cancer research. Over 200 preclinical studies show withaferin A kills cancer cells in vitro, but only one human trial exists — examining quality of life, not tumour outcomes. What the petri dish problem means for you.
Ashwagandha for depression and mood support
Ashwagandha for Depression: What the Research Shows
Studies suggest ashwagandha may support mood and wellbeing — particularly when low mood is stress-related. An honest look at the evidence.
Ashwagandha for weight loss and metabolism
Ashwagandha for Weight Loss: The Cortisol-Adipose Connection
Evidence-based review of ashwagandha for weight loss. 5 human RCTs examined — cortisol reduction is strong, but ashwagandha is not a fat burner. Learn who benefits and who does not.
Ashwagandha for women — hormones, PCOS, fertility and menopause support
Ashwagandha for Perimenopause: Hormones, Sleep & HRT
Ashwagandha for perimenopause: what the research says about cortisol, sleep, hormones, and whether you can combine it safely with HRT or the pill.
Ashwagandha side effects and safety — capsules and root on clean surface
Ashwagandha Side Effects: The Tolerance Threshold and What 29+ Clinical Trials Reveal
By Peter Orpen — Co-Owner, Teelixir Published: 24 March 2026 Updated: 27 March 2026 STRONG Safety Evidence Grade 29+ RCTs Reviewed 2,500+ Participants Studied 7 Meta-Analyses Evidence sourced from PubMed NCBI — pubmed.ncbi.nlm.nih.gov The Tolerance Threshold: What Real Clinical Trial...
Ashwagandha root and powder — the complete evidence-based guide
Ashwagandha Benefits: Evidence, Effects & Daily Use
Ashwagandha benefits include reduced cortisol, better sleep, and improved cognition. Reviewed across 55 RCTs with PMIDs. AU guide to daily use.
Ashwagandha research papers and dried roots on a timber desk with golden hour light
Ashwagandha Research: What 1,584 Studies Tell Us
A systematic review of 1,584 ashwagandha studies from PubMed. What 28 RCTs and 8 meta-analyses reveal about stress, sleep, and performance.
Ashwagandha root and herbs on Australian outdoor timber table with bush garden background
Ashwagandha for Immune Support: The Immunostat Principle
Ashwagandha has strong evidence for immune modulation — 531 studies, 9 systematic reviews. Understand the benefits and the autoimmune caution before supplementing.
Ashwagandha for heart health and cholesterol
Ashwagandha and Your Heart: What the Research Says

Can ashwagandha support heart health? Research shows effects on cholesterol, heart rate, and VO2max — with important safety advice for those on heart medication.

Ashwagandha for diabetes and blood sugar management
Ashwagandha for Diabetes and Blood Sugar: The Stress-Glycaemia Loop
Evidence review: how ashwagandha may support blood sugar management in metabolic syndrome, pre-diabetes and type 2 diabetes. 360 studies, 8 systematic reviews.
Ashwagandha for testosterone and male fertility — evidence-based guide
Does Ashwagandha Boost Testosterone? Evidence Review
Studies suggest ashwagandha may support testosterone in stressed men. KSM-66 leads the research. RCTs, meta-analyses and honest assessment.
Ashwagandha for anxiety — what 465 studies reveal about stress relief
Ashwagandha for Anxiety and Stress: What 9 RCTs Actually Found
Ashwagandha has accumulated 465 published studies on stress and anxiety, including 22 systematic reviews. We examine what the evidence actually shows — including the 2025 cortisol paradox that most supplement companies won't tell you about.
Ashwagandha dosage guide — measuring the right amount of root powder extract
Ashwagandha Dosage: 300mg, 600mg or KSM-66 — What’s Right?
Evidence-based ashwagandha dosage guide: 300–600 mg/day for standardised extracts, KSM-66 dosing, timing tips, and how our 10:1 root extract compares.
Ashwagandha vs Lion's Mane: The Body-Brain Divide
Ashwagandha vs Lion's Mane: The Body-Brain Divide
Ashwagandha protects the body from stress while lion's mane protects the brain. Compare evidence, mechanisms, and discover when to use each.

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