Lemon Balm

Gentle citrus-scented herb providing natural calming support for stress relief, sleep enhancement, and digestive comfort

Scientific nameMelissa officinalis FormulaVarious terpenoids and phenolic acids Molecular weightVariable natural compounds g/mol CASVarious natural compounds

70 absorption score

9 safety / 10

25 USD per month

5 documented interactions

Check it against something

Evidence level C

Lemon Balm with:

75 out of 100

Works better together Compatible. Timing differs, so follow each supplement's own window.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Stress and anxiety relief

Gentle calming effects reducing stress and mild anxiety

GABA-ergic activity and mild sedative compounds promote relaxation Evidence B-grade 30 minutes to 2 hours acute, 2-6 weeks sustained

Sleep quality and relaxation

Improves sleep quality and promotes natural relaxation

Mild sedative effects and stress reduction support better sleep Evidence B-grade 30-60 minutes before sleep, 2-4 weeks sustained

Digestive comfort and support

Soothes digestive discomfort and supports gut health

Antispasmodic and carminative effects relax digestive tract Evidence B-grade 30 minutes to 2 hours post-meal

Cognitive function and focus

Supports mental clarity and cognitive performance

Calming effects reduce mental stress improving focus and concentration Evidence C-grade 1-3 hours acute, 2-8 weeks sustained

Antiviral and immune support

Traditional antiviral properties supporting immune health

Polyphenols and terpenoids provide antiviral and immune-supporting effects Evidence C-grade 2-8 weeks

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Melatonin Sleep support & circadian rhythm 0.5-3mg A 50% Ashwagandha Stress management & energy 300-600mg A 75% Magnesium Glycinate Superior absorption sleep & muscle support 200-600 mg A 90% L-Theanine Calm focus & stress relief 100-400mg B 90% Glycine Sleep quality & collagen support 3-10g A 95% GABA (Gamma-Aminobutyric Acid) Natural relaxation & anxiety relief 250-1000mg C 30%

Every pair we checked

12 combinations scored by the engine

Lemon Balm + Caffeine Stimulants may oppose calming effects Needs attention 58

Lemon Balm + Creatine Monohydrate No documented interaction either way No known interaction 70

Lemon Balm + Vitamin D3 No documented interaction either way No known interaction 70

Lemon Balm + Calcium Carbonate No documented interaction either way No known interaction 70

Lemon Balm + Whey Protein No documented interaction either way No known interaction 70

Lemon Balm + Lactase No documented interaction either way No known interaction 70

Lemon Balm + Bovine Collagen No documented interaction either way No known interaction 70

Lemon Balm + DHA No documented interaction either way No known interaction 70

Lemon Balm + Turmeric No documented interaction either way No known interaction 70

Lemon Balm + Valerian Root Enhanced sleep support and relaxation Works better together 75

Lemon Balm + Chamomile Comprehensive stress relief and digestive comfort Works better together 75

Lemon Balm + Magnesium Oxide Enhanced relaxation and muscle tension relief Works better together 75

Dosage

Evening before sleep

Daily300-1200mg

Stress anxiety relief300-1200mg daily

Sleep support300-600mg before bedtime

Digestive comfort300-900mg with meals

Cognitive support300-600mg daily

Before you take it

VeganYes

When to expect it

First Effects30 minutes to 2 hours for acute calming and digestive benefits

Peak Benefits2-8 weeks for sustained stress relief and sleep support

Deficiency DevelopmentNot applicable - herbal supplement

Toxicity OnsetVery rare, excellent safety profile

How to measure it

$100-200

MarkerThyroid function (TSH, T3, T4) if long-term use, stress hormones

OptimalNormal thyroid function, reduced stress hormone levels

Deficient belowNot applicable for herbal supplement

FrequencyEvery 6-12 months for thyroid monitoring if using long-term

What people actually reported to the FDA

CAERS, 13 reports naming it as the suspect

Most reported effects

Nausea 4

Fall 2

Dizziness 2

Pain 2

Abdominal pain upper 2

Named as the suspect 13 reports of 16 that mention it at all

Serious outcome 87% hospitalisation, emergency room or worse

Other Serious or Important Medical Event11

Visited a Health Care Provider3

Visited Emergency Room3

Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →

What actually reaches you

The label counts the carrier, your body does not

Absorption High 70 of 100 · absorbs well relative to other forms

Delivered daily 525 mg

Cost per 100 mg delivered $0.16 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented

Valerian Root

Enhanced sleep support and relaxation

Synergistic calming effects for comprehensive sleep and stress support · level C

Chamomile

Comprehensive stress relief and digestive comfort

Both provide gentle calming and digestive soothing effects · level C

Magnesium

Enhanced relaxation and muscle tension relief

Magnesium supports muscle relaxation that lemon balm complements · level C

What not to take with Lemon Balm

2 documented

Stimulants Caffeine

Stimulants may oppose calming effects

Opposing effects on nervous system arousal · mild significance

Thyroid Medications

May interfere with thyroid medication absorption

Potential effects on thyroid function · mild significance

Medication interactions

Discuss these with a pharmacist before combining

sedative-medications Minor

May enhance sedative effects

What to do: Monitor for increased sedation

thyroid-medications Minor

May affect thyroid hormone levels

What to do: Monitor thyroid function

diabetes-medications Minor

May affect blood sugar levels

What to do: Monitor blood glucose

Available forms

bioavailability compared

Lemon Balm Leaf Extract (Standardized) 70

Lemon Balm Leaf Extract (Standardized): Gentle calming effects, Excellent safety, Sleep support, Digestive benefits

Food sources

before you supplement

Fresh lemon balm leaves Natural essential oils and compounds · 65

Dried lemon balm tea Moderate compound extraction · 60

Lemon balm tincture Concentrated liquid extract · 75

Standardized extracts Concentrated active compounds · 70

Too little

deficiency signs

Not applicable (herbal supplement, not essential nutrient):
General symptoms addressed by lemon balm:
Chronic stress and mild anxiety
Poor sleep quality and difficulty relaxing
Digestive discomfort and spasms
Mental agitation and poor focus
Frequent minor illnesses and low immunity

Too much

toxicity signs

Extremely safe with minimal side effects:
Mild drowsiness with high doses
Rare allergic reactions in sensitive individuals
Potential thyroid effects with very long-term use
Generally well tolerated by most people

Who benefits most

stress-anxiety-mild

Gentle stress relief and anxiety reduction for daily stress management

300-1200mg daily (or 1.5-4.5g dried herb)

sleep-quality-insomnia

Natural sleep support and relaxation for better sleep quality

300-600mg 30-60 minutes before bedtime

digestive-comfort-ibs

Digestive soothing and antispasmodic support for digestive discomfort

300-900mg with meals or as needed

cognitive-focus-mental-clarity

Mental clarity and focus enhancement through stress reduction

300-600mg daily

immune-antiviral-support

Traditional antiviral and immune support during illness

600-1200mg daily during acute need

Where to buy it

compare forms first

Look for Lemon Balm at 300-1200mg per serving. The form that matters here is Lemon Balm Leaf Extract (Standardized).

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How it works

GABA-ergic activity enhances calming neurotransmitter function for stress relief
Mild sedative compounds promote relaxation and sleep quality
Antispasmodic effects relax smooth muscle reducing digestive discomfort
Rosmarinic acid and other phenolic compounds provide antioxidant and anti-inflammatory benefits
Terpenoids may have mild thyroid-regulating effects
Carminative properties support healthy digestion and reduce gas

Key findings

what the evidence supports

Good evidence for stress relief and anxiety reduction
Proven sleep support and relaxation benefits
Strong traditional use validation for digestive comfort
Excellent safety profile with minimal side effects

Sources: NIH Examine.com · data reviewed 2026-08-02

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Lemon Balm?

Documented effects: Stress and anxiety relief; Sleep quality and relaxation; Digestive comfort and support; Cognitive function and focus. Gentle calming effects reducing stress and mild anxiety

How much Lemon Balm should you take per day?

The common daily range is 300-1200mg. By goal — stress anxiety relief: 300-1200mg daily; sleep support: 300-600mg before bedtime; digestive comfort: 300-900mg with meals; cognitive support: 300-600mg daily.

When is the best time to take Lemon Balm?

Evening before sleep. First effects are typically reported within 30 minutes to 2 hours for acute calming and digestive benefits.

What are the side effects of Lemon Balm?

At excessive doses: Extremely safe with minimal side effects:, Mild drowsiness with high doses, Rare allergic reactions in sensitive individuals, Potential thyroid effects with very long-term use, Generally well tolerated by most people. Safety rating at normal doses is 9 out of 10.

What should you not take with Lemon Balm?

Separate it from Stimulants Caffeine, Thyroid Medications by two to four hours. Stimulants may oppose calming effects

Does Lemon Balm interact with medications?

Documented interactions with sedative-medications, thyroid-medications, diabetes-medications. Discuss these with a pharmacist before combining.

How do you know if you need Lemon Balm?

The marker is Thyroid function (TSH, T3, T4) if long-term use, stress hormones, optimal range Normal thyroid function, reduced stress hormone levels. Common deficiency signs: Not applicable (herbal supplement, not essential nutrient):, General symptoms addressed by lemon balm:, Chronic stress and mild anxiety, Poor sleep quality and difficulty relaxing.

Taken for

28 Sleep & Stress

Melatonin · Magnesium Glycinate · Ashwagandha