Therapeutic herb
Ashwagandha
Strong evidence for cortisol reduction and sleep onset in chronically stressed adults.
Active compounds
- withanolides
Recommended daily intake
300–500 mg standardized extract
Best cooking method
Powder blended into milk drinks ("moon milk") or smoothies
Flavor profile
Earthy, bitter, slightly horsey
Conditions this herb supports
Pairs with these cuisines
Synergies — combine with
chamomile boosts sleep stress
Ashwagandha lowers cortisol baseline; chamomile binds GABA-receptor sites for acute calming. Daytime + bedtime stack.
Safety + contraindications
Thyroid medication interaction — boosts T3/T4. Avoid in pregnancy and autoimmune flare.
This information is educational, not medical advice. Consult a qualified clinician before therapeutic-dose use, especially during pregnancy, lactation, or when on prescription medication.
Scientific research
Peer-reviewed studies cited from NIH PubMed. Click any PMID to read the abstract.
- RCT2019
Adaptogenic and Anxiolytic Effects of Ashwagandha Root Extract in Healthy Adults: A Double-Blind, Randomized, Placebo-Controlled Clinical Study
Salve J, Pate S, Debnath K, Langade D
300mg ashwagandha twice daily reduced cortisol 14-32% over 8 weeks; sleep quality scores improved.
PubMed PMID: 31742775 - RCT2008
A standardized Withania somnifera extract significantly reduces stress-related parameters in chronically stressed humans
Auddy B et al.
Standardized ashwagandha reduced cortisol significantly vs placebo in chronically stressed adults.
PubMed PMID: 22432805 - RCT2020
Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients
Langade D, Thakare V, Kanchi S, Kelgane S
Ashwagandha 300mg twice daily improved sleep onset latency and total sleep time.
PubMed PMID: 32688411
Studies summarized for plain-English understanding. Read the full abstract on PubMed for methodology, sample size, and limitations.