Adaptogenic herb that may help the body manage stress and boost energy.
How it works
Ashwagandha modulates the HPA axis, reducing cortisol levels and improving the body's resilience to physical and mental stress.
Evidence-based uses
KSM-66 extract has the most clinical evidence for stress reduction.
Clinical Evidence
KSM-66 Ashwagandha significantly reduced stress assessment scores by 44% and serum cortisol levels by 27.9% compared to placebo.
Participants taking 240mg ashwagandha extract daily showed significant reductions in stress (Hamilton Anxiety Scale) and morning cortisol levels compared to placebo after 60 days.
KSM-66 or Sensoril are well-studied extracts. Also helps with stress.
Clinical Evidence
Double-blind RCT showed 600mg/day ashwagandha root extract for 12 weeks significantly improved VO2 max and self-reported energy levels compared to placebo.
Safety
Ashwagandha may enhance the sedative effects of benzodiazepines and other CNS depressants.
Ashwagandha may increase thyroid hormone levels, potentially requiring dosage adjustments for thyroid medications.
Ashwagandha may stimulate immune function, potentially counteracting immunosuppressive therapy.
Ashwagandha may increase thyroid hormone levels. Monitor thyroid function if taking thyroid medication.
Compare prices
4 products compared across Australian retailers. Sorted by price per serve.
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| Product | Price | /serve | |
|---|---|---|---|
Best BulkSupplements Ashwagandha Extract 100g BulkSupplements | $19.99 | $0.12 | |
NOW Foods Ashwagandha 450 mg, 90 Veg Capsules iHerb | $21.99 | $0.24 | |
Life Extension Life Extension Ashwagandha Plus Life Extension | $22.00 | $0.37 | |
Garden of Life mykind Organics Ashwagandha Garden of Life | $36.50 | $0.61 |
Prices in AUD. Some links are affiliate links — we may earn a commission at no extra cost to you.
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Mineral
Essential mineral for oxygen transport and energy production.
Vitamin
Vitamin B12 (cobalamin) is essential for nerve function, red blood cell formation, and DNA synthesis. Deficiency is common in vegans, vegetarians, older adults, and those with absorption issues — affecting up to 20% of Australians over 60. B12 supports energy production, cognitive function, and mood regulation. Methylcobalamin is the bioactive form preferred by many practitioners, while cyanocobalamin is the most affordable and stable form.
Coenzyme
Coenzyme essential for cellular energy production.
Mineral
Essential mineral involved in 300+ enzymatic reactions including sleep regulation and stress response.
Head to head
Get a personalised dosage recommendation based on your age, weight, and health goals
Ashwagandha has 4 known interactions. Check if it's safe with your medications.
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This information is for educational purposes only and is not intended as medical advice. Always consult a healthcare professional before starting any supplement. Evidence ratings are based on peer-reviewed clinical research. Individual results may vary.