ashagandha

Reported Doses

Safety/efficacy may not be established; reported doses may be derived from limited or potentially inadequate studies w/ variable regimens, multi-ingredient products, or where concentration of active ingredients may vary widely

Effectiveness Ratings

[see Herb & Supplement Effectiveness Rating Definitions table]

aging

[Insufficient Evidence]

Dose: 600 mg PO qd

androgenic alopecia

[Insufficient Evidence]

Dose: apply 1-2 gtt serum topically qd; Info: product containing 5% root extract

anxiety

[Possibly Effective]

Dose: 300 mg PO bid; Alt: 500 mg PO qd

athletic performance

[Insufficient Evidence]

Dose: 500-1000 mg PO qd; Alt: 120-1250 mg/day PO divided qd-bid

bipolar disorder

[Insufficient Evidence]

Dose: 250 mg PO bid; Start: 250 mg PO qd x1wk

cerebellar ataxia

[Insufficient Evidence]

Dose: 500 mg PO tid

constipation

[Insufficient Evidence]

Dose: 300-500 mg PO qd; Info: product containing 45% extract in 1:1 ratio ashwagandha root:ambrette fruit

COPD

[Insufficient Evidence]

Dose: 250 mg PO bid; Info: used w/ conventional tx

COVID-19

[Insufficient Evidence]

Dose: 500-600 mg PO bid

depression

[Insufficient Evidence]

Dose: 500 mg PO qd

diabetes mellitus, type 2

[Insufficient Evidence]

Dose: 3 g PO qd

fatigue

[Insufficient Evidence]

Dose: 200 mg PO bid

fatigue, chemo-related

[Insufficient Evidence]

Dose: 2 g PO tid

generalized anxiety disorder

[Possibly Effective]

Dose: 0.3-1 g PO qd; Alt: 4 g PO tid; Info: used w/ or w/o standard tx

hypercholesterolemia

[Insufficient Evidence]

Dose: 3 g PO qd

hypothyroidism

[Insufficient Evidence]

Dose: 300 mg PO bid

insomnia

[Possibly Effective]

Dose:120-600 mg PO qd

male infertility

[Insufficient Evidence]

Dose: 5 g PO qd; Alt: 225 mg PO tid

menopausal sx

[Insufficient Evidence]

Dose: 300 mg PO bid

metabolic effects, antipsychotic-induced

[Insufficient Evidence]

Dose: 400 mg PO tid

obsessive-compulsive disorder

[Insufficient Evidence]

Dose: 120 mg PO qd; Start: 30 mg PO qd x4 days, then incr. by 30 mg/day q4 days; Info: used w/ selective-serotonin reuptake inhibitor

osteoarthritis

[Insufficient Evidence]

Dose: 900 mg PO tid

Parkinson dz

[Insufficient Evidence]

Dose: 14.5 g PO bid

psychological well-being

[Insufficient Evidence]

Dose: 350 mg PO bid

rheumatoid arthritis

[Insufficient Evidence]

Dose: 5 g PO bid

sexual dysfxn

[Insufficient Evidence]

Dose: 300 mg PO bid

smoking cessation

[Insufficient Evidence]

Dose: 100 mg PO qd

stress

[Possibly Effective]

Dose: 125-1000 mg PO qd; Alt: 300-500 mg PO bid

wrinkled skin

[Insufficient Evidence]

Dose: apply 8% lotion topically qd