Chamomile tea is a classic traditional herbal drink that’s been used for thousands of years to ease various health issues, like menstrual aches, blood sugar management for diabetics and sleep troubles. It comes from the Asteraceae family, with German chamomile and Roman chamomile being the two common types for brewing tea. Its daisy-like flowers are dried and steeped in hot water to make the tea, and flavonoids are the key active compounds behind its possible health benefits.
For most healthy adults, drinking chamomile tea is safe and won’t cause discomfort. But some specific groups need to avoid it or be careful with it. What’s more, chamomile tea is only a complementary health option, and it can never take the place of standard medical treatments, especially for serious illnesses.
Evidence-Based Potential Health Benefits of Chamomile Tea
Existing preclinical and clinical research has identified multiple potential health benefits of chamomile and its preparations, with the most robust evidence outlined below.
1、Relief of Premenstrual Syndrome Symptoms
Chamomile’s inherent anti-inflammatory, antispasmodic, sedative, and anxiolytic properties make it a promising complementary intervention for premenstrual syndrome (PMS). A systematic review confirmed that chamomile supplementation can effectively alleviate both anxiety and physical discomfort related to PMS (Khalesi et al., 2019).
2、Glycemic Management for Diabetes Patients
Several studies have noted the blood sugar-lowering potential of chamomile tea in people with diabetes mellitus. A 2020 systematic review found that chamomile intake may improve glycemic and lipid profiles, reduce oxidative stress levels, and lower the risk of diabetes-related complications (Hajizadeh-Sharafabad et al., 2020). Despite these positive findings, chamomile cannot serve as a viable substitute for prescription diabetes medications, and may only be used as an adjuvant to physician-recommended treatment plans.
3、Bone Health and Osteoprotective Effects
Osteoporosis, a condition marked by progressive loss of bone density, elevates the risk of fractures and postural deformities. A 2022 animal study found that chamomile extracts effectively prevented steroid-induced osteoporosis in rats, with the antioxidant activity of its flavonoids mitigating bone loss by reducing oxidative stress (Al-Najjar et al., 2022). Further human clinical trials are needed to fully validate these protective effects.
4、Anti-Inflammatory and Antioxidant Activity
Inflammation is the immune system’s core defense against infection, but chronic low-grade inflammation is linked to a range of chronic illnesses including cardiovascular disease, arthritis, autoimmune disorders, obesity, and depression. Research has confirmed that chamomile contains multiple compounds with significant anti-inflammatory and antioxidant properties, which may help modulate immune response and reduce long-term inflammatory damage (McKay & Blumberg, 2006).
5、Anticancer Potential of High-Concentration Preparations
A 2023 comprehensive review noted that high-concentration chamomile extracts and essential oils may exhibit targeted anticancer activity, with in vitro studies showing they can inhibit the growth of glioma, liver cancer, cervical cancer, and leukemia cells, and may even prevent malignant cell development (Singh et al., 2023). It is critical to emphasize that regular chamomile tea has far lower concentrations of these active compounds than the extracts used in research, so the same anticancer effects cannot be assumed for daily tea consumption.
6、Sleep Improvement and Anxiety Reduction
Chamomile tea is widely consumed for its calming properties, with research supporting its benefits for mood and sleep regulation. A 2019 systematic review and meta-analysis found that 2 to 4 weeks of chamomile intervention significantly improved symptoms in people with generalized anxiety disorder, and also enhanced subjective sleep quality (Hieu et al., 2019). However, there is no consistent evidence that chamomile can alleviate acute anxiety during stressful events or prevent clinical insomnia.
7、Immune Support and Cold Symptom Relief
Preliminary research and anecdotal evidence suggest that chamomile intake may support normal immune system function. Additionally, warm chamomile tea can provide symptomatic relief for common cold symptoms such as sore throat, though further controlled studies are needed to confirm its specific immunomodulatory effects.
8、Topical Benefits for Mild Skin Conditions
Research indicates that topical products containing chamomile may help treat acne, repair sensitive skin, and reduce skin dehydration, effects attributed to its anti-inflammatory, anti-allergy, and antimicrobial properties (Patel et al., 2022). While oral chamomile tea also has anti-inflammatory effects, cosmetic formulations such as lotions and soaps are more targeted for skin applications; a patch test is recommended before widespread use to rule out adverse reactions.
Safety Precautions and At-Risk Populations
Despite its general safety for most adults, chamomile tea is not suitable for all groups. The following populations should consult a healthcare provider before consumption, or avoid chamomile entirely:
·Individuals with a history of chamomile allergy: Those who have had previous mild reactions to chamomile products should avoid it entirely, as allergic reactions may worsen with repeated exposure. Cross-allergy risk is also well-documented for people with known allergies to related Asteraceae plants, including ragwort, daisy, chrysanthemum, and marigolds (Subiza et al., 1989).
·People taking anticoagulant medications: Chamomile may interact with blood-thinning drugs such as warfarin, so medical consultation is required before increasing chamomile intake, especially for those with underlying health conditions.
·Pregnant individuals: Regular chamomile consumption during pregnancy may increase the risk of preterm labor or miscarriage, and is generally not recommended by healthcare experts.
·Infants and young children: Chamomile tea may contain botulism spores, which healthy adults can typically tolerate, but may cause severe infection in infants with underdeveloped immune systems.
Finally, answer a few common questions
For most healthy adults, regular moderate intake of chamomile tea is well-tolerated and safe for daily consumption, with the exception of the at-risk populations outlined above. Regarding the widely claimed “detox” effect, it is important to note that the human liver and kidneys are the primary organs responsible for systemic toxin elimination. While chamomile tea contains antioxidant compounds, there is no scientific evidence to support that it exerts a “detoxification” effect on the body.
Summary
Chamomile tea has a long history of application in traditional herbal medicine, with a growing body of research supporting its potential benefits for menstrual symptom relief, anxiety and sleep improvement, glycemic control, and anti-inflammatory effects. However, it remains a complementary health supplement, not a prescription medication, and should never replace evidence-based medical treatment prescribed by healthcare providers. For most healthy adults, regular moderate consumption of chamomile tea may bring incremental health benefits, with appropriate attention to established safety precautions.
References
1、Al-Najjar, R., Al-Massarani, S., Al-Maharik, N., Al-Rehaily, A. J., Al-Said, M. S., & El-Tahir, K. E. H. (2022). Prophylactic Anti-Osteoporotic Effect of Matricaria chamomilla L. Flower Using Steroid-Induced Osteoporosis in Rat Model and Molecular Modelling Approaches. Antioxidants, 11(7), 1316. https://www.researchgate.net/publication/361724927_Prophylactic_Anti-Osteoporotic_Effect_of_Matricaria_chamomilla_L_Flower_Using_Steroid-Induced_Osteoporosis_in_Rat_Model_and_Molecular_Modelling_Approaches
2、Hajizadeh-Sharafabad, F., Varshosaz, J., Dehpour, A. R., & Alizadeh, A. M. (2020). Chamomile (Matricaria recutita L.) and diabetes mellitus, current knowledge and the way forward: A systematic review. Complementary Therapies in Medicine, 49, 102284. https://pubmed.ncbi.nlm.nih.gov/31987240/
3、Hieu, T. H., Dibas, M., Surya Dila, K. A., Sherif, N. A., & Trisno, S. (2019). 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. Phytotherapy Research, 33(6), 1604–1614. https://pubmed.ncbi.nlm.nih.gov/31006899/
4、Khalesi, Z. B., Beiranvand, S. P., & Bokaie, M. (2019). Efficacy of Chamomile in the Treatment of Premenstrual Syndrome: A Systematic Review. Journal of Pharmacopuncture, 22(4), 209–215.
https://pmc.ncbi.nlm.nih.gov/articles/PMC6970572/
5、McKay, D. L., & Blumberg, J. B. (2006). Chamomile: A herbal medicine of the past with bright future. Molecular Nutrition & Food Research, 50(10), 820–832. https://pubmed.ncbi.nlm.nih.gov/16900503/
6、Patel, S., Sharma, A., Shah, D., & Kumar, A. (2022). Anti-inflammatory activity of chamomile tea on cutaneous disorders. Journal of Ethnopharmacology, 293, 115267. https://pubmed.ncbi.nlm.nih.gov/35525144
7、Singh, O., Khanam, Z., Misra, N., & Srivastava, M. (2023). An updated comprehensive review of the therapeutic properties of Chamomile (Matricaria chamomilla L.). Critical Reviews in Food Science and Nutrition, 63(24), 5943–5961. https://www.tandfonline.com/doi/full/10.1080/10942912.2023.2293661
8、Subiza, J., Subiza, J. L., Hinojosa, M., Garcia, R., Jerez, M., Valdivieso, R., & Subiza, E. (1989). Allergic reactions to chamomile tea. Journal of Allergy and Clinical Immunology, 83(3), 680–682. https://pubmed.ncbi.nlm.nih.gov/2922034/