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Head-to-head evidence comparison — which supplement is right for you?
Lemon Balm wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
2 of 3 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
4 of 4 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Lemon Balm and Passionflower have evidence — compare verdict strength side-by-side.
300-600mg extract
As needed for anxiety, 30-60 minutes before bed for sleep
Standardized extract capsules
250-500mg extract (or 2g dried herb)
For anxiety: as needed, For sleep: 30-60 minutes before bed
Standardized extract capsules
30-60 minutes
30-60 minutes
2-4 weeks
30 min - 2 hours
30-60 minutes
30-60 minutes
The effects of lemon balm (Melissa officinalis L.) on depression and anxiety in clinical trials: A systematic review and meta-analysis
Phytotherapy research : PTR (2021) · Meta analysis
Based on meta-analysis results, lemon balm significantly improved mean anxiety and depression scores compared with the placebo (SMD: -0.98; 95% CI: -1.63 to -0.33; p = 0.003), (SMD: -0.47; 95% CI: -0.73 to -0.21; p = 0.0005) respectively, without serious side effects.
Herbal Remedies and Their Possible Effect on the GABAergic System and Sleep
Nutrients (2021) · Systematic review
Gamma-aminobutyric acid (GABA) is an inhibitory neurotransmitter that plays a major role in controlling different vigilance states.
Effects of Melissa officinalis (Lemon Balm) on cardio-metabolic outcomes: A systematic review and meta-analysis
Phytotherapy research : PTR (2020) · Meta analysis
Random-effects meta-analyses estimated the pooled standardized mean differences (SMD) between intervention and control groups.
Herbal Remedies and Their Possible Effect on the GABAergic System and Sleep
Nutrients (2021) · Systematic review
Gamma-aminobutyric acid (GABA) is an inhibitory neurotransmitter that plays a major role in controlling different vigilance states.
Passiflora incarnata in Neuropsychiatric Disorders-A Systematic Review
Nutrients (2020) · Systematic review
Passiflora incarnata may be helpful in treating some symptoms in neuropsychiatric patients.
Herbal medicine for depression and anxiety: A systematic review with assessment of potential psycho-oncologic relevance
Phytotherapy research : PTR (2018) · Systematic review
Overall, 45% of studies reported positive findings with fewer adverse effects compared with conventional medications.
Based on meta-analysis showing significant improvement in anxiety and depression scores (SMD: -0.98 for anxiety, -0.47 for depression). Effect sizes suggest moderate clinical benefit. Limited number of trials with small sample sizes reduce confidence.
Based on meta-analysis of 198 subjects noting insufficient RCT data for definitive conclusions. Effectiveness limited by small sample sizes and study quality limitations. Drowsiness is primary dose-limiting side effect.
AI-estimated from published studies. Interpret as directional guidance.
Lemon Balm has a higher evidence score (8.5/10 vs 8/10) and wins in 2 of 3 categories.
For reduce anxiety & stress, Passionflower has a higher relevance score (85 vs 80).
No known interactions between Lemon Balm and Passionflower have been documented in our database. However, always consult a healthcare provider before combining supplements.