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Chamomile

Chamomile

Best for

Stay asleep through the night

Large effect, needs confirmation 220–1100 mg/day 4–8 weeks 2 studies, n=91 #4 of 15 studied

Chamomile shows a Large effect, needs confirmation, for longer sleep stretches and faster sleep onset, while broader evidence remains early.

Median effective dose, most-studied outcomes

  • Ease anxiety symptoms 1,500 mg 4–26 wk
  • Sleep more soundly 800 mg 4 wk
  • Stay asleep through the night 660 mg 4–8 wk
Full protocol, 6 outcomes

Risk, worst reported severity

  • retroperitoneal and rectus sheath hematomas; major internal hemorrhage severe
  • bleeding severe
  • warfarin major
  • cyclosporine major
All 14 events and interactions

What chamomile actually does

Outcome Effect Evidence Dose Time Rank
Worth watching 4
Stay asleep through the night Large effect, needs confirmation Uninterrupted sleep helps the night feel more settled and restorative.
large 		2 RCTs 2 papers · n=91 220–1100 mg 4–8 wk #4 /15
Fall asleep sooner Large effect, needs confirmation A shorter wait for sleep can make bedtime feel less frustrating.
large 		2 RCTs 2 papers · n=91 220–1100 mg 4–8 wk #4 /20
Feel less anxious Promising early signal Anxiety can bring persistent worry, unease, and physical tension into ordinary moments.
moderate 		5 RCTs 5 papers · n=241 220–1500 mg 4–26 wk #4 /30
Get more sleep each night Promising early signal More time asleep can help you meet the amount of sleep you need.
moderate 		1 RCT 1 papers · n=34 540 mg 4 wk #5 /9
Early research 2
Sleep that feels more restorative Not enough research Sleep quality reflects whether the night leaves you feeling well rested.
trivial 		2 RCTs 2 papers · n=34 540–800 mg 4 wk —
Reduce insomnia symptoms Barely detectable Less severe insomnia can mean fewer nights spent struggling with sleep.
trivial 		1 RCT 1 papers · n=34 540 mg 4 wk —

Effect tiers come from native-unit MCID where available, Cohen's d otherwise.

Protocol

Dose, timing & forms

How much

For anxiety, trials examined 220 to 1,500 mg per day of oral chamomile extract, with 1,500 mg per day used in a longer anxiety protocol. Participants used it consistently for weeks, and several anxiety studies found improvement rather than an immediate, one-night effect.23 Sleep studies examined roughly 220 to 1,100 mg per day for 4 to 8 weeks. Signals for staying asleep and falling asleep faster look interesting, but they need larger confirmatory trials.1

When and how long

Take chamomile extract daily and judge it after a few weeks, not after one restless night. Sleep trials lasted about 4 to 8 weeks, while anxiety protocols extended from 4 weeks to several months.123 The published evidence does not establish that a specific clock time or taking it with food changes results, so follow the product directions and keep the routine simple.

Forms & standardisation

Look for an oral chamomile flower extract with a clearly stated amount per serving. The sleep and anxiety evidence comes from measured extracts, not from tea, essential oil, or vague "chamomile blend" products.12 Apigenin is a biologically active chamomile compound, but current trials do not establish one ideal apigenin percentage to shop for.4

Studied range, by outcome

Outcome Studied range Median effective Duration Evidence
Ease anxiety symptoms 220–1,500 mg 1,500 mg 4–26 wk 5 papers 3 sig. endpoints
Sleep more soundly 540–800 mg 800 mg 4 wk 2 papers 1 sig. endpoint
Stay asleep through the night 220–1,100 mg 660 mg 4–8 wk 2 papers 1 sig. endpoint
Fall asleep sooner 220–1,100 mg — 4–8 wk 2 papers
Sleep more easily through the night 540 mg — 4 wk 1 paper
Spend more time asleep 540 mg — 4 wk 1 paper

Adverse events and drug interactions

Safety events

retroperitoneal and rectus sheath hematomas; major internal hemorrhage severe
bleeding severe
Botulism (infant botulism risk from contamination) severe
Any adverse event mild
Infections mild
Headache mild
Dizziness mild
Gastrointestinal symptoms mild

Drug interactions

warfarin major increases effect
cyclosporine major increases concentration
warfarin major increases effect
antithrombotic agents major increases toxicity
antithrombotic agents moderate increases toxicity
ondansetron minor unknown
Buy well

Recommended Chamomile products

Real products that dose Chamomile where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.

Chosen for adequate Chamomile dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.

In context

What this is and how it works

  • Two studies (n=91) reported longer sleep stretches and faster sleep onset with chamomile extract in older adults.1
  • Eighteen papers reviewed here spanned 51 outcomes, including four promising and two early-tier claims.
  • Sleep-duration evidence came from one study of 34 participants, limiting confidence in broader sleep benefits.1

Chamomile comes from small, daisy-like flowers, most often German chamomile (Matricaria recutita). You can drink it as tea, but clinical studies usually use a measured oral flower extract, which gives a far more consistent amount than a tea bag.12

Chamomile contains apigenin, a plant compound that interacts with brain docking sites involved in calming signals.4 Think of it as turning down the sensitivity of your brain's alarm panel, rather than flipping an instant sleep switch. That fits the early findings in anxiety and sleep, but the clinical sleep evidence remains limited.12

Bottom line

Chamomile extract is a reasonable option if you want a gentle, research-informed experiment for ongoing anxiety or disrupted sleep and can give it several weeks. Keep expectations modest because the sleep findings remain early. Do not use it without clinician guidance if you take warfarin or other blood-thinning medication, given the reported serious bleeding interaction.5

Frequently asked

Common questions

Does chamomile actually help you sleep?

Chamomile shows an early signal for fewer nighttime awakenings and faster sleep onset, but the small sleep trials do not yet establish a dependable effect. The clearest sleep protocols ran for about 4 to 8 weeks, not one occasional cup at bedtime.1

How much chamomile extract is used for anxiety?

Anxiety trials examined 220 to 1,500 mg per day of oral chamomile extract, with 1,500 mg per day featuring in the more substantial anxiety protocol. Results suggest less background anxiety for some people, though it is not a quick fix for an acute stressful moment.23

Is chamomile tea the same as chamomile extract?

Not necessarily. The clinical trials used measured oral extracts, while a cup of tea varies with the plant material, steep time, and serving size. Tea can be a calming ritual, but it does not reproduce an extract trial dose.12

Who should avoid chamomile supplements?

Avoid self-starting chamomile supplements if you take warfarin or another blood-thinning medicine. A reported warfarin interaction involved serious bleeding, so this deserves clinician guidance rather than trial and error.5

Sources

Sources

  1. 1. Chamomile extract for sleep quality in older adults: a randomized controlled trial (2017) ↑
  2. 2. A randomized, double-blind, placebo-controlled trial of oral Matricaria recutita extract therapy for generalized anxiety disorder (2009) ↑
  3. 3. Short-term open-label chamomile therapy of moderate to severe generalized anxiety disorder (2016) ↑
  4. 4. Apigenin, a component of chamomile, is a central benzodiazepine receptor ligand with anxiolytic effects (2000) ↑
  5. 5. Warfarin interaction with Matricaria chamomilla (2006) ↑

Generated August 27, 2026

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