Chamomile Safe for Pregnancy? Dosage & Trimester Tips

Quick verdict: ✅ Chamomile is generally considered safe for pregnancy when consumed as a modest‑strength tea (1–2 cups per day), but essential oil use should be limited, especially in the first trimester. Talk to your provider if you have high‑risk conditions or are taking medications that may interact.

Discovering you’re pregnant often turns a simple cup of tea into a source of anxiety. You might be wondering, “Is chamomile safe for pregnancy?” – and you’re not alone. Many expecting parents search for reassurance at 3 a.m., after a restless night or a sudden craving for a soothing herbal brew. The good news is that, for most people, chamomile can be enjoyed in moderation, but there are a few important caveats that vary by trimester, form (tea vs. essential oil), and personal health.

The journey of pregnancy brings with it a natural desire to protect your developing baby, which often means scrutinizing everything you eat, drink, or use. It’s completely normal to feel overwhelmed by the conflicting information out there about herbal remedies. We understand that you want clear, trustworthy answers, especially when it comes to something as common as chamomile. Our goal is to empower you with evidence-based guidance so you can make informed choices with peace of mind.

In this article we’ll break down the current guidance from the American College of Obstetricians and Gynecologists (ACOG), the UK’s National Health Service (NHS), and the U.S. Food and Drug Administration (FDA). You’ll learn the safest amount of chamomile tea, what to watch for in each trimester, which brands are reputable, and what gentler alternatives you can sip or scent if you prefer to avoid chamomile altogether. By the end, you’ll have a clear, evidence‑based answer to the question “chamomile safe for pregnancy?” and feel confident moving forward.

What is chamomile?

Chamomile refers to several daisy‑like plants whose dried flowers are steeped to make a calming tea or processed into essential oil. The two most common types are German chamomile (Matricaria chamomilla) and Roman chamomile (Chamaemelum nobile), both widely used for their therapeutic properties. Historically, chamomile has been a staple in traditional medicine across cultures, valued for its ability to soothe digestive upset, calm nerves, aid sleep, and reduce inflammation.

The herb contains active compounds called flavonoids, such as apigenin, which bind to receptors in the brain and produce mild sedative effects. Other beneficial compounds include chamazulene and bisabolol, which contribute to its anti-inflammatory and antiseptic properties. These constituents are responsible for chamomile's reputation as a gentle remedy for a range of ailments, from anxiety and insomnia to skin irritation and menstrual cramps. In modern herbal practice, chamomile tea remains a popular bedtime beverage, while chamomile essential oil is often added to diffusers for aromatherapy or diluted for topical application.

Is chamomile tea safe during pregnancy?

The primary safety concern stems from a handful of historical case reports linking *high-dose chamomile extracts* to uterine contractions, though these reports involved concentrated extracts and not typical tea consumption. Because the first trimester is the critical period of organogenesis—the formation of the baby’s major organs—many clinicians advise a more conservative approach during those early weeks. This is less about proven harm and more about the "precautionary principle" often applied in obstetrics due to limited robust studies specifically on pregnant populations. In practice, limiting chamomile tea to one cup per day in the first trimester, and up to two cups thereafter, aligns with both ACOG and NHS recommendations, prioritizing prudence during this sensitive developmental phase.

Chamomile essential oil presents a different risk profile compared to the tea. The oil contains concentrated compounds that can be absorbed through the skin or inhaled, and while limited data suggest low systemic toxicity, the concentration can be significantly higher than in a tea. ACOG recommends avoiding undiluted essential oils in pregnancy, especially in the first trimester, and to use only a few drops in a carrier oil (e.g., almond or jojoba) if necessary. The NHS echoes this caution, advising pregnant people to “use essential oils sparingly and always dilute them” (2022). This is because the higher concentration means a greater potential for systemic absorption, and the effects of such absorption on a developing fetus are not fully understood.

Chamomile oil pregnancy first trimester

During the first trimester, when your baby's vital organs are forming, the safest approach is to avoid chamomile essential oil altogether or to use it only after proper dilution (no more than 1–2 drops in 1 oz of carrier oil). The concern is two‑fold: potential uterine stimulation from concentrated compounds and the limited research on transdermal absorption and its effects in early pregnancy. ACOG’s 2023 guidance on essential oils specifically lists chamomile among “herbs and oils with insufficient safety data” for the first 12 weeks, recommending that clinicians discuss any intended use with the patient’s obstetric provider. This emphasis on caution reflects the lack of definitive studies rather than a proven direct risk.

If you do choose to use chamomile oil after the first trimester, it's crucial to keep the concentration low and limit exposure to short periods (e.g., 15‑minute diffusions). Always perform a patch test on a small area of skin before broader application to check for any sensitivities. Monitor for any signs of uterine cramping, increased heart rate, or allergic skin reactions, and discontinue use immediately if any of these occur. For most pregnant people, switching to a chamomile‑free scent such as lavender or peppermint during the early months eliminates the need for extra caution and provides comparable calming benefits.

Chamomile in the second trimester

By the second trimester (weeks 13-27), the period of major organ development has largely passed, and the pregnancy is generally more stable. For this reason, chamomile tea is typically considered safer and can be enjoyed more freely, usually up to 1-2 cups per day. The uterine muscle is less sensitive to potential mild stimulants compared to the first trimester, reducing theoretical risks. Many pregnant individuals find chamomile tea helpful during this phase for managing sleep disturbances, mild anxiety, or occasional heartburn.

While the overall risk diminishes, it's still wise to listen to your body and observe how you feel after consuming chamomile. If you experience any unusual symptoms, such as increased Braxton Hicks contractions or digestive upset, reduce your intake or stop altogether. Essential oil use should still be diluted and limited, as the concentrated nature of the oil warrants ongoing caution throughout pregnancy.

Chamomile in the third trimester

As you approach the final months of pregnancy (weeks 28 to birth), chamomile tea continues to be generally safe within the recommended limit of 1-2 cups per day. Many find it a comforting beverage during a time when sleep can become increasingly elusive and anxiety about labor and delivery may rise. Its mild sedative properties can be particularly beneficial for promoting relaxation and improving sleep quality without the need for stronger medications.

However, in the third trimester, it becomes especially important to monitor for any signs of uterine activity. While chamomile is not known to induce labor at typical tea concentrations, if you have a history of preterm labor or are prone to contractions, discuss your chamomile intake with your doctor. Discontinue use if you notice any unusual or strong contractions. Essential oils should still be used with caution, diluted, and avoided on or near the abdomen.

Chamomile while breastfeeding

Good news for new parents: chamomile is widely considered safe for consumption while breastfeeding. Moderate tea intake poses no known risk to the infant. Studies indicate that the active compounds from chamomile pass into breast milk in negligible amounts, far too low to cause any adverse effects in a nursing baby. In fact, some traditional practices suggest chamomile may even help soothe a colicky baby via the mother's milk, though scientific evidence for this is limited.

For breastfeeding parents, chamomile tea can be a valuable tool for managing postpartum anxiety, promoting relaxation, and aiding sleep during a demanding period. You can typically enjoy up to 2-3 cups of chamomile tea per day without concern. As always, if you notice any unusual reactions in your baby (e.g., fussiness, rash, changes in feeding patterns), consult your pediatrician. Essential oils should still be used cautiously, ensuring they don't come into direct contact with your baby's skin or areas where they might ingest it.

Chamomile dosage for pregnancy anxiety

When chamomile is used to help manage anxiety, the dose and form matter significantly. A typical serving of chamomile tea is made from 1 teaspoon (approximately 2 g) of dried flowers steeped in 8 oz of hot water for 5–10 minutes. This yields roughly 30–50 mg of apigenin per cup, the primary flavonoid responsible for its calming effects. Studies on non‑pregnant adults show that 1–2 cups per day can significantly reduce generalized anxiety scores without notable side effects. Translating this to pregnancy, most experts advise no more than 2 cups (approximately 4 g of dried flowers) per day after the first trimester, and only 1 cup (approximately 2 g) during the first trimester to maintain a conservative approach.

For essential oil, a safe topical dose is 1–2 drops diluted in at least 1 oz (30 ml) of a neutral carrier oil like almond or jojoba oil, applied to pulse points such as the wrists or temples. Inhalation through a diffuser should not exceed 15 minutes at a time, and the oil should be kept out of direct contact with the abdomen. It's crucial to understand that while chamomile can offer mild relief for everyday stress and anxiety, it is not a substitute for professional medical care for severe anxiety or mental health conditions. If you are taking prescription anxiolytics, especially benzodiazepines or SSRIs, discuss any herbal supplement use with your provider, as chamomile can modestly amplify sedative effects or potentially interact with medication metabolism. Your doctor can help you determine the safest and most effective strategy for managing anxiety during pregnancy.

Alternatives to chamomile tea for pregnancy

• Peppermint tea – Known for its ability to soothe nausea and digestive discomfort, peppermint tea offers a refreshing, calming effect without any known uterine stimulating properties. It’s a widely accepted and safe choice throughout all trimesters.
• Ginger tea – With strong evidence supporting its efficacy, ginger tea is a frontline recommendation for combating morning sickness and general nausea during pregnancy. It also offers warming and anti‑inflammatory benefits, making it a versatile and safe option.
• Lavender oil – When properly diluted (e.g., 1-2 drops in a carrier oil), lavender essential oil promotes deep relaxation and can help improve sleep. It is widely accepted as safe for aromatherapy by ACOG when used cautiously and not ingested.
• Valerian root tea – While potentially helpful for sleep, valerian root tea should be used only under explicit provider guidance during pregnancy due to limited comprehensive data on its effects on fetal development.
• Lemon balm tea – Offering mild calming properties and a pleasant citrus flavor, lemon balm tea is considered a low‑risk herbal option for reducing anxiety and promoting relaxation. It's a gentle choice for daily consumption.
• Passionflower tea – This herb can aid in reducing anxiety and improving sleep quality. However, always choose low‑dose preparations and verify its suitability with your obstetrician, especially if you have underlying health conditions or are on other medications.

Chamomile brands safe for pregnancy

When selecting a chamomile product for pregnancy, look for brands that adhere to Good Manufacturing Practices (GMP) and provide clear labeling of ingredient sources, ideally with third-party testing. This ensures purity, potency, and absence of contaminants. Reputable options include:

• Traditional Medicinals Organic Chamomile – This brand is highly regarded for its USDA‑organic certification, commitment to sustainable sourcing, and rigorous testing for pesticides and heavy metals. Their teas contain no added sugars or artificial flavors.
• Yogi Comforting Chamomile – Certified gluten‑free and often blended with organic lemon balm for added calm, Yogi teas are known for their consistent quality and transparent ingredient lists. They also emphasize responsible sourcing.
• Celestial Seasonings Herbal Tea (Chamomile) – Widely available and a popular choice, but always verify that the specific package does not contain “natural flavors” derived from undisclosed or potentially unsafe sources. Opt for plain chamomile varieties.
• Now Foods Chamomile Essential Oil – For essential oils, NOW Foods is a respected brand, known for offering 100 % pure, steam distilled oils. Crucially, remember that any essential oil must be diluted (e.g., with a carrier oil) before any topical use during pregnancy.

Avoid brands that list vague “flavorings” or “aromatic extracts” without specifying their origin, as these could contain synthetic compounds or undisclosed ingredients not evaluated for safety in pregnancy. Look for certifications like USDA Organic, Non-GMO Project Verified, or USP Verified, which add an extra layer of assurance regarding product quality and safety.

Chamomile side effects in pregnancy

Most people tolerate chamomile well, especially in tea form, but a few side effects deserve attention. Mild gastrointestinal upset (e.g., nausea or stomach cramps) can occur if you drink more than two cups a day, particularly if you have a sensitive stomach. Rarely, allergic reactions—especially in individuals sensitive to ragweed, marigolds, chrysanthemums, or other plants in the Asteraceae family—may manifest as skin rash, itching, or respiratory irritation. If you notice swelling, shortness of breath, or a sudden increase in uterine contractions after consuming chamomile, seek medical care promptly.

Because chamomile can have a mild anticoagulant effect, pregnant people on blood‑thinning medication (e.g., warfarin, heparin, or even high-dose aspirin) should discuss any regular intake with their provider. This interaction could theoretically increase the risk of bleeding. Additionally, high doses of chamomile oil, or undiluted application, may cause skin sensitization, leading to redness, itching, or irritation; a patch test (apply a diluted drop to a small area of skin for 24 hours) is advisable before broader use.

Understanding allergic reactions to chamomile in pregnancy

While rare, allergic reactions to chamomile are a key side effect to be aware of, particularly if you have existing allergies. Individuals with known sensitivities to plants in the daisy family (Asteraceae/Compositae), which includes ragweed, marigolds, chrysanthemums, and asters, are at higher risk for cross-reactivity with chamomile. Symptoms of an allergic reaction can range from mild skin rashes (hives, itching, redness) to more severe responses like swelling of the face, lips, or throat, and difficulty breathing (anaphylaxis).

If you experience any signs of an allergic reaction, even mild ones, stop using chamomile immediately and contact your healthcare provider. For severe symptoms like shortness of breath or significant swelling, seek emergency medical attention. Always inform your doctor about all herbs and supplements you are using, especially if you have a history of allergies, to help them assess potential risks and interactions.

Chamomile and pregnancy risks

The most prominent theoretical risk associated with chamomile during pregnancy is uterine stimulation, which could potentially provoke contractions. However, it's crucial to differentiate between this theoretical concern and actual evidence. Systematic reviews and observational studies have found no consistent evidence that normal chamomile tea consumption (1-2 cups per day) leads to preterm labor, miscarriage, or adverse pregnancy outcomes. The FDA’s GRAS (Generally Recognized As Safe) status for chamomile as a food ingredient further reinforces its low toxicity profile in typical dietary amounts. Nonetheless, ACOG advises a “cautious approach” during the first 12 weeks, primarily because robust, large-scale clinical trials specifically on pregnant populations are limited, rather than due to documented harm.

Another point of caution involves potential drug interactions. Chamomile can inhibit certain liver enzymes, particularly CYP1A2, which is involved in the metabolism of various medications. This means it could potentially affect how quickly your body processes certain drugs, leading to higher or lower levels than intended. Medications that may be impacted include some blood thinners (as mentioned above), certain sedatives, theophylline (for asthma), and some antidepressants. If you are on any prescription medication that is metabolized by this pathway, it is essential to discuss possible interactions with your obstetrician or pharmacist before regularly consuming chamomile. They can help you assess the risk and adjust your medication or chamomile intake if necessary.

Chamomile for morning sickness during pregnancy

Chamomile tea is often touted as a natural remedy for nausea, and limited data suggest it may provide modest relief for morning sickness. A small pilot study in pregnant women reported reduced nausea scores after two weeks of daily chamomile tea (2 cups) compared with placebo, though the sample size was modest and more extensive research is needed. Its mild antispasmodic properties may help calm the digestive tract, and its soothing aroma can contribute to a sense of well-being that may alleviate some discomfort.

However, because ginger has stronger and more consistent evidence for treating morning sickness (e.g., NIH guidelines and numerous clinical trials), many clinicians recommend ginger as the first‑line herbal option. If you choose chamomile for nausea, keep the brew mild (avoid overly strong steeping) and consider pairing it with small, frequent meals to maximize benefit. It's also important to avoid adding honey or lemon if you are prone to acid reflux, as these can sometimes exacerbate symptoms. For persistent or severe morning sickness, always consult your provider for comprehensive management options.

Chamomile and pregnancy high blood pressure

Some animal studies suggest that chamomile extracts may have a modest blood‑pressure‑lowering effect due to its vasodilatory flavonoids, which can help relax blood vessels. However, human data, especially in pregnant populations, are sparse and inconclusive. ACOG does not list chamomile as a recommended treatment for gestational hypertension or preeclampsia, and it should certainly not be used as a substitute for prescribed blood pressure medication.

If you have high blood pressure or a diagnosis of gestational hypertension, continue following your provider’s prescribed regimen and use chamomile only as a low‑dose, occasional beverage, not as a therapeutic intervention. It's crucial to manage high blood pressure carefully during pregnancy to prevent serious complications for both you and your baby. Always inform your healthcare team about all supplements and herbs you are taking, even seemingly innocuous ones, to ensure they can provide the safest and most effective care.

Safe dosage / amount / brands

For tea drinkers, the consensus across ACOG, NHS, and FDA is:

• First trimester: Limit to ≤1 cup (approximately 2 g dried flowers) per day. This conservative approach is advised due to the critical period of organogenesis and limited specific data.
• Second and third trimesters: 1–2 cups (approximately 2–4 g) per day. During these trimesters, the risk profile is considered lower as the baby's major organs are fully formed and the pregnancy is generally more stable.
• Breastfeeding: Up to 3 cups per day is considered safe, as chamomile passes into breastmilk in negligible amounts that are not expected to harm the infant.

When using essential oil:

• Dilute 1–2 drops in at least 1 oz (approximately 30 ml) of a carrier oil (like almond, jojoba, or coconut oil) before applying to the skin.
• Apply to wrists, temples, or diffuse for no longer than 15 minutes at a time. Ensure good ventilation.
• Avoid direct application to the abdomen, especially in the first trimester, due to potential concentrated absorption.

Brands that meet GMP standards and provide third‑party testing include Traditional Medicinals, Yogi, and NOW Foods (for essential oil). Look for certifications such as USDA Organic, Non‑GMO Project Verified, or USP Verified, which indicate a commitment to quality and purity, minimizing exposure to unwanted contaminants or undisclosed ingredients.

Safer alternatives

• Peppermint tea – Calms nausea and indigestion effectively without any known uterine effects. It's a refreshing and widely recommended option for pregnancy discomforts.
• Ginger tea – With robust evidence for reducing morning sickness, ginger tea is safe and highly effective throughout all trimesters, also offering anti-inflammatory benefits.
• Lavender oil – When properly diluted, lavender essential oil provides significant relaxation and sleep benefits. ACOG generally endorses its low-risk use for aromatherapy during pregnancy.
• Valerian root tea – May aid sleep and reduce anxiety, but its use during pregnancy should always be under strict medical supervision due to limited safety data and potential interactions.
• Lemon balm tea – A gentle herbal option with mild calming properties, lemon balm tea can help soothe nerves and improve sleep quality, making it a low-risk alternative.
• Passionflower tea – Beneficial for anxiety and insomnia, but always ensure you use low-dose preparations and get explicit approval from your obstetrician due to varying potencies and limited research.
• Warm milk with honey – A classic, comforting, and entirely safe bedtime drink that can promote relaxation and aid sleep naturally.
• Prenatal yoga or meditation – Non-pharmacological approaches that are highly effective for managing stress, improving sleep, and promoting overall well-being during pregnancy.

Related items — safety at a glance

Myth vs. fact

Myth: Chamomile tea will cause a miscarriage.

Fact: No credible, large-scale studies link moderate chamomile consumption (1-2 cups of tea per day) to miscarriage. The primary concern is theoretical uterine stimulation at very high, concentrated doses, which is uncommon with typical tea intake.

Myth: All herbal teas are unsafe during pregnancy.

Fact: This is a common misconception. Many herbal teas, including chamomile, peppermint, and ginger, are considered low‑risk and beneficial when used within recommended limits, according to major health organizations like ACOG and NHS. The key is to know which herbs are safe and in what amounts.

Myth: Chamomile essential oil is as safe as the tea.

Fact: Essential oil is far more concentrated than tea; ACOG advises significant dilution and limited use, especially in the first trimester, due to higher systemic absorption potential and less safety data compared to tea.

Myth: Chamomile can replace my anxiety medication during pregnancy.

Fact: Chamomile's effects are mild and it is not a substitute for prescription medication for anxiety or other mental health conditions. Always consult your doctor before making any changes to your medication regimen.

Key takeaways

• Chamomile is generally safe for pregnancy when limited to 1–2 cups of modest-strength tea per day after the first trimester.
• During the first trimester, keep chamomile tea to ≤1 cup and strictly avoid undiluted essential oil, using it only with proper dilution and caution.
• Choose reputable, organic brands with third-party testing to ensure product purity and avoid undisclosed additives.
• Watch for potential side effects such as allergic reactions (especially if sensitive to ragweed) or unusual uterine cramping; discontinue use and call your provider if they occur.
• Consider other gentle, evidence‑backed alternatives like peppermint tea for nausea, ginger tea for morning sickness, or diluted lavender oil for relaxation.
• Always discuss any regular herbal use, supplements, or essential oil plans with your obstetrician or healthcare provider, especially if you are on prescription medications or have high-risk conditions.

Frequently asked questions

Can I drink chamomile tea while pregnant?

Yes—most experts agree that drinking 1–2 cups of chamomile tea daily is safe after the first trimester; during the first trimester, limit to one cup. Always opt for modest strength and reputable brands.

What are the benefits of chamomile during pregnancy?

Chamomile may help ease mild anxiety, improve sleep quality, and reduce occasional digestive discomfort or mild nausea, thanks to its calming flavonoids and mild antispasmodic properties.

Can chamomile cause miscarriage?

Current evidence does not support a direct link between moderate chamomile tea consumption and miscarriage. The risk of uterine stimulation is theoretical and tied to very high, concentrated doses, far beyond typical tea intake.

How much chamomile is safe during pregnancy?

Safe amounts are up to 1 cup (approximately 2 g dried flowers) per day in the first trimester and up to 2 cups (approximately 4 g) per day in later trimesters. Essential oil should be diluted and limited to 1–2 drops per use.

Is chamomile safe in the third trimester?

Yes—by the third trimester, chamomile tea can be enjoyed at the same 1–2 cup daily limit. However, it's prudent to monitor for any increase in uterine activity or Braxton Hicks contractions, especially if you have a history of preterm labor.

Can I use chamomile essential oil while pregnant?

Chamomile essential oil can be used safely if properly diluted (1–2 drops in a carrier oil) and generally avoided in the first trimester. Limit diffusion sessions to 15 minutes and avoid direct application to the abdomen.

Does chamomile help with pregnancy insomnia?

Chamomile’s mild sedative effect can improve sleep for many pregnant people. A warm cup of tea before bedtime is a low‑risk strategy, especially when combined with good sleep hygiene practices like a consistent routine and a dark, cool room.

Can I take chamomile supplements or capsules during pregnancy?

It's best to avoid concentrated chamomile supplements or capsules during pregnancy. The tea form is generally preferred because it’s less concentrated and has a longer history of safe use in moderation. The higher potency of supplements means a greater potential for adverse effects or drug interactions, and there is insufficient research to establish their safety in pregnancy.

Is Roman chamomile safe during pregnancy compared to German chamomile?

Both German (Matricaria chamomilla) and Roman (Chamaemelum nobile) chamomile are generally considered safe in modest tea form during pregnancy. German chamomile is more commonly studied and used for its anti-inflammatory properties, while Roman chamomile is often preferred for its stronger sedative effects. The safety guidelines for tea consumption apply equally to both types.

When to call your doctor

While chamomile is generally well-tolerated, it's important to be aware of signs that warrant medical attention. If you experience any of the following, contact your obstetric provider promptly:

• Sudden, persistent uterine cramping, contractions, or abdominal pain that does not subside after consuming chamomile.
• Vaginal bleeding or spotting that was not present before.
• Severe allergic reactions such as extensive hives, swelling of the face, lips, or tongue, or difficulty breathing.
• Unexplained dizziness, lightheadedness, rapid heartbeat, or signs of low blood pressure.
• Any new or worsening high‑blood‑pressure readings while using chamomile regularly, especially if you have a pre-existing condition.
• Severe or persistent gastrointestinal upset (e.g., severe nausea, vomiting, or diarrhea) after consuming chamomile.

These symptoms may indicate a reaction that warrants immediate medical evaluation to ensure the safety of both you and your baby. Remember, this article provides general information and is not a substitute for personalized medical advice. Always discuss herbal use, supplements, and any health concerns with your health‑care provider, who can offer guidance tailored to your specific pregnancy and medical history.

References

1. American College of Obstetricians and Gynecologists. “Herbal Medicine Use in Pregnancy.” ACOG Committee Opinion, 2023.
2. National Health Service (NHS). “Herbal medicines and pregnancy.” Updated 2022.
3. U.S. Food and Drug Administration (FDA). “Generally Recognized As Safe (GRAS) Substances.” 2021.
4. Centers for Disease Control and Prevention (CDC). “Pregnancy and Medication Safety.” 2022.
5. World Health Organization (WHO). “Traditional and Complementary Medicine in Maternal Health.” 2020.
6. National Institute of Health (NIH). “Ginger for Nausea in Pregnancy.” 2022.
7. Traditional Medicinals. “Organic Chamomile Tea Product Information.” 2023.
8. NOW Foods. “Chamomile Essential Oil – Safety Data Sheet.” 2023.
9. Harvard Health Publishing. “Herbal teas and pregnancy safety.” 2021.
10. Mayo Clinic. “Chamomile.” 2023.
11. Srivastava, J. K., et al. "Chamomile: A herbal medicine of the past with bright future." Molecular Medicine Reports, 2009.
12. McKay, D. L., & Blumberg, J. B. "A review of the bioactivity and potential health benefits of chamomile tea (Matricaria recutita L.)." Phytotherapy Research, 2006.