Chamomile
Traditional calming herb with mild anxiolytic and sleep-supporting effects, driven by its apigenin content.
Pharmacology
Contents
WHAT IS CHAMOMILE?
Detailed overview
Chamomile (Matricaria chamomilla) is a calming herb used for millennia, whose principal active constituent is the flavonoid apigenin. Apigenin binds the benzodiazepine site of the GABA-A receptor with weak-to-moderate affinity, producing a gentle, benzodiazepine-like anxiolytic and sleep-supporting effect without pronounced sedation. Randomized controlled trials have shown modest symptomatic improvement in generalized anxiety disorder (GAD) and confirmed a mild improvement in sleep quality. The effect is subtle relaxation rather than a strong hypnotic, which is why chamomile is traditionally taken as a bedtime tea, alongside its digestive-soothing and skin-calming roles.
Mechanism
GABA-A benzo site partial agonism (apigenin)
Evidence
Moderate (human RCTs in GAD and sleep)
Legal status
Over-the-counter herb / dietary supplement
Receptor profile
- GABA-A benzodiazepine siteModerate
- Inflammatory pathways (COX-2, cytokines)Moderate
- Smooth muscle (antispasmodic)Moderate
- Oxidative stress (antioxidant)Weak
Safety
Side effects, stop signs, contraindications
Side effects · 5
- Allergic reactions, especially in people sensitive to the daisy family (Asteraceae: ragweed, daisy, chrysanthemum)
- Mild drowsiness or daytime sedation, especially at higher doses
- Rarely nausea or vomiting with very concentrated extracts
- Theoretical bleeding risk when combined with blood thinners (coumarin content)
- Contact dermatitis with topical use in sensitized individuals
Contraindications · 4
- Known Asteraceae allergy (ragweed, daisy): anaphylaxis is possible
- Pregnancy: Roman chamomile is traditionally avoided due to possible uterine-stimulating effect
- Anticoagulant (warfarin) therapy or upcoming surgery: theoretical additive bleeding risk
- Combined with sedatives or benzodiazepines: additive sedation possible
Related Nootropics
Same therapeutic category
Studies
Related research and clinical findings
A randomized, double-blind, placebo-controlled trial of oral Matricaria recutita (chamomile) extract therapy for generalized anxiety disorder
Amsterdam JD, Li Y, Soeller I, Rockwell K, Mao JJ, Shults J
Long-term chamomile (Matricaria chamomilla L.) treatment for generalized anxiety disorder: A randomized clinical trial
Mao JJ, Xie SX, Keefe JR, Soeller I, Li QS, Amsterdam JD
Preliminary examination of the efficacy and safety of a standardized chamomile extract for chronic primary insomnia: a randomized placebo-controlled pilot study
Zick SM, Wright BD, Sen A, Arnedt JT
Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality: A systematic review and meta-analysis of randomized trials and quasi-randomized trials
Hieu TH, Dibas M, Surya Dila KA, et al.
An exploratory study of salivary cortisol changes during chamomile extract therapy of moderate to severe generalized anxiety disorder
Keefe JR, Guo W, Li QS, Amsterdam JD, Mao JJ
Investigation effect of oral chamomilla on sleep quality in elderly people in Isfahan: A randomized control trial
Adib-Hajbaghery M, Mousavi SN
FAQ
FAQ
Traditional calming herb with mild anxiolytic and sleep-supporting effects, driven by its apigenin content.
Telegram
Have a question about Chamomile?
Reach out to us on Telegram for a personalized stack. We'll be happy to help.
Personalized consultation
Want a detailed conversation tailored to your data?
Fill out the prep intake form (your goals, training and health data), and the advisor prepares from it to give genuinely personalized guidance.
Fill out the form~5–7 min · prep questionnaire · confidential · GDPR-compliant
Structure & chemistry
The information here is strictly for educational and scientific purposes. It does not replace medical advice or clinical consultation, and it does not encourage illegal substance or pharmaceutical use. Data is sourced. When in doubt, consult your doctor.