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Ingredient

Ashwagandha (Withania somnifera)

Promising

An adaptogenic herb with a small but consistent stress-marker literature.

How it works

May modulate the hypothalamic-pituitary-adrenal axis; specific KSM-66 and Sensoril extracts have been studied.

Evidence

Several small RCTs report reduced subjective stress markers at 300-600 mg standardized extract.

Studies

  • Salve et al., Cureus, 2019

    Standardized extract at 300 mg twice daily improved subjective stress measures over 8 weeks.

    PubMed 31742775

Top products

Sorted by effective monthly cost

Now Foods Ashwagandha 450 mg

Now Foods

Per serving
450 mg
Studied midpoint
450 mg · 1/day

Effective cost

$0.16/day·$5/month

Momentous Ashwagandha 600 mg

Momentous

Per serving
600 mg
Studied midpoint
450 mg · 1/day

Effective cost

$0.58/day·$18/month

Designs For Health Ashwagandha 300 mg

Designs For Health

Per serving
300 mg
Studied midpoint
450 mg · 2/day

Effective cost

$0.93/day·$28/month

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