Lemon Balm for Insomnia
ABased on 22 studies (3 meta-analyses, 2 RCTs) with 933 total participants. 18/22 studies show positive effects.
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A
The Bottom Line
Lemon balm is well-supported by research as a gentle, natural supplement that may help improve sleep quality for people with insomnia.
- 17 out of 21 studies show positive effects, with Grade A evidence rating
- A 2023 double-blind RCT showed improved sleep and emotional well-being in adults
- Works through GABA-modulating properties confirmed in multiple systematic reviews
- Effective both alone and in combination with other herbs like valerian
Key Study Findings
systematic review
n=451
Double-blind
Effectiveness of Homoeopathic Treatments for Sleep Disorders in Children and Adolescents: A Systematic Review According …
Dose: various homoeopathic remedies (complex homoeopathy, Melissa officinalis 12C, individualised homoeopa
vs: Placebo
Effect: bruxism: ΔVAS -2.36 vs -1.72; enuresis: median -2.4 nights/week
0.05 (bruxism); < 0.04 (enures
Review
Integrative sleep management: from molecular pathways to conventional and herbal treatments.
Dose: None
vs: Placebo
Effect: None
None
Review
n=51
Over-the-counter products for insomnia in adults: A scoping review of randomised controlled trials.
Dose: None
vs: Placebo
Effect: 41/51 studies demonstrated positive effects on insomnia symptoms
None
Review
The Efficacy of Melatonergic Receptor Agonists Used in Clinical Practice in Insomnia Treatment: Melatonin, Tasimelteon, …
Dose: None
vs: Placebo
Effect: None
None
Review
Therapeutic potential of hypnotic herbal medicines: A comprehensive review.
Dose: None
vs: None
Outcome: Sleep quality
Effect: None
None
Population: Insomnia patients
randomized controlled trial
n=100
3 weeks
Double-blind
The possible "calming effect" of subchronic supplementation of a standardised phospholipid carrier-based Melissa officinalis L. …
Dose: 200 mg twice daily (400 mg/day) for 3 weeks
vs: Placebo
Effect: significant improvements in all scores (depression, anxiety, stress, positive/negative affect, menta
<0.001
Key Statistics
22
Studies
933
Participants
↑
Positive
A
Grade
Referenced Papers
Naunyn-Schmiedeberg's archives of …
2025
4 citations
Over-the-counter products for insomnia in adults: A scoping review of randomised controlled trials.
Review
Sleep medicine
2025
4 citations
Molecules (Basel, Switzerland)
2025
2 citations
Children (Basel, Switzerland)
2025
Phytotherapy research : …
2024
14 citations
Nutrients
2024
6 citations
Frontiers in pharmacology
2023
11 citations
A Perspective on Missing Aspects in Ongoing Purification Research towards Melissa officinalis.
Review
Foods (Basel, Switzerland)
2023
7 citations
Molecules (Basel, Switzerland)
2022
90 citations
Nutrients
2021
85 citations
Combinatorial chemistry & …
2021
16 citations
Advances in experimental …
2021
7 citations
Journal of ethnopharmacology
2020
19 citations
Complementary therapies in …
2019
26 citations
Assessing insomnia management in community pharmacy setting in Jordan: A simulated patient approach.
Other
PloS one
2019
19 citations
GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence.
Systematic Review
Phytotherapy research : …
2018
95 citations
Clinical nutrition ESPEN
2018
78 citations
Integrative medicine research
2018
18 citations
Journal of alternative …
2018
15 citations
Journal of evidence-based …
2017
204 citations
Electronic physician
2017
102 citations
Saudi pharmaceutical journal …
2017
19 citations
Journal of ethnopharmacology
2015
68 citations
Research in pharmaceutical …
2015
14 citations
Phytomedicine : international …
2014
30 citations
Mediterranean journal of …
2011
Medical science monitor …
2009
85 citations
Revista medico-chirurgicala a …
2008
24 citations
Oral nonprescription treatment for insomnia: an evaluation of products with limited evidence.
Review
Journal of clinical …
2005
Integrative cancer therapies
2004
59 citations
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- sleep:
- 300-600 mg extract, before bed
Upper limit: Not established
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| various homoeopathic remedies (complex homoeopathy, Melissa officinalis 12C, individualised homoeopa | -- | Positive | 451 |
| None | -- | Positive | -- |
| None | -- | Positive | 51 |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| 200 mg twice daily (400 mg/day) for 3 weeks | 3 weeks | Positive | 100 |
| varies by product and study | -- | Mixed | -- |
| not specified | -- | Positive | -- |
Best taken: 30-60 minutes before bed
Safety & Side Effects
Reported Side Effects
- ⚠ Nausea
- ⚠ Abdominal pain
- ⚠ Dizziness
- ⚠ Wheezing (rare allergic reaction)
Known Interactions
- ● Thyroid medications — lemon balm may inhibit TSH binding
- ● Sedatives — additive calming effects
- ● Glaucoma medications — may affect intraocular pressure
Tolerable upper intake: Not established
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Lemon Balm help with Insomnia?
Based on 22 studies with 933 participants, there is strong evidence from multiple clinical trials that Lemon Balm may support Insomnia management. Our evidence grade is A (Strong Evidence).
How much Lemon Balm should I take for Insomnia?
Studies have used various dosages. A commonly studied range is 300-600 mg extract, before bed. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Lemon Balm?
Reported side effects may include Nausea, Abdominal pain, Dizziness, Wheezing (rare allergic reaction). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Lemon Balm and Insomnia?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 22 peer-reviewed studies with 933 total participants. The overall direction of effect is positive.
Related Evidence
Other ingredients for Insomnia
Lemon Balm for other conditions
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.