# Melissa officinalis

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/melissa-officinalis
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 8 / 10
**Category:** European
**Also Known As:** Melissa officinalis, Lemon Balm, Bee Balm, Sweet Balm, Honey Plant, Cure-All, Balm Mint, Melissa

## Overview

Melissa officinalis (lemon balm) contains rosmarinic acid and citral that modulate GABA neurotransmission and reduce [cortisol levels](/ingredients/condition/stress). Clinical studies demonstrate significant improvements in anxiety symptoms and [sleep quality](/ingredients/condition/sleep) within 15 days of supplementation.

## Health Benefits

• Reduces anxiety symptoms by 95% response rate, with 70% showing very much improvement in a 15-day pilot trial (PMID: 22043994)
• Improves [sleep quality](/ingredients/condition/sleep) and insomnia with 100% responder rate in clinical trials, including significant PSQI score improvements (PMIDs: 22043994, 37927585)
• Significantly reduces depression, anxiety, and stress scores (DASS-42, all p<0.001) in a randomized controlled trial of 100 adults (PMID: 37927585)
• Enhances mental wellbeing and quality of life (WEMWBS, WHO-QoL-BREF) in controlled studies (PMID: 37927585)
• Shows efficacy for anxiety and sleep issues in pediatric populations according to integrative reviews (PMID: 34449930)

## Mechanism of Action

Melissa officinalis exerts its effects primarily through rosmarinic acid and citral, which enhance GABAergic neurotransmission by inhibiting GABA transaminase and modulating GABA-A receptors. The herb also reduces cortisol levels through [hypothalamic-pituitary-adrenal](/ingredients/condition/stress) axis modulation and exhibits [acetylcholine](/ingredients/condition/cognitive)sterase inhibition, contributing to cognitive and anxiolytic effects.

## Clinical Summary

A 15-day pilot trial demonstrated a 95% response rate for anxiety reduction, with 70% of participants showing very significant improvement using 300mg twice daily. [Sleep quality](/ingredients/condition/sleep) studies show 100% responder rates with significant PSQI score improvements in controlled trials. While preliminary evidence is promising, most studies involve small sample sizes and short durations, requiring larger randomized controlled trials for definitive efficacy confirmation.

## Nutritional Profile

Melissa officinalis (lemon balm) is a low-calorie herb with primary value derived from its bioactive phytochemicals rather than macronutrient content. Macronutrient composition per 100g dry weight: protein ~14-20g, carbohydrates ~50-60g (including dietary fiber ~20-25g), fat ~5-7g. Key micronutrients include vitamin C (~150mg/100g fresh weight), vitamin A (beta-carotene precursors, ~3000-4000 IU/100g), calcium (~694mg/100g dry weight), magnesium (~65-75mg/100g dry weight), potassium (~450-500mg/100g dry weight), iron (~14-16mg/100g dry weight), and zinc (~1.5-2mg/100g dry weight). Bioactive compounds are the primary functional constituents: rosmarinic acid (0.5-3% dry weight, often 1-2% in standardized extracts) — the principal polyphenol with [antioxidant](/ingredients/condition/antioxidant) and anxiolytic properties, with moderate oral bioavailability (~40% absorbed in small intestine); hydroxycinnamic acid derivatives including caffeic acid, chlorogenic acid, and luteolin-7-glucoside (collectively 1-4% dry weight); flavonoids including luteolin, apigenin, quercetin, and kaempferol (0.1-0.5% total flavonoids); triterpenic acids including ursolic acid and oleanolic acid (~0.5-1% dry weight); essential oil constituents (0.01-0.3% by weight) comprising citral (geranial + neral, 30-40% of volatile fraction), citronellal (~5-10%), linalool (~5%), beta-caryophyllene (~10-15%), and geraniol (~5%); monoterpene glycosides including melittoside; and salvianolic acids. GABA-transaminase inhibitory activity is attributed to rosmarinic acid and related phenolics, contributing to anxiolytic effects. Bioavailability note: rosmarinic acid bioavailability is enhanced when consumed with lipids; essential oil compounds are highly bioavailable via inhalation and oral routes; standardized extracts (e.g., Cyracos, 500mg containing ≥7% rosmarinic acid and ≥15% hydroxycinnamic acid derivatives) are used in clinical research and show superior pharmacokinetic profiles compared to crude herb preparations.

## Dosage & Preparation

Clinically studied dosages include 400mg/day (200mg twice daily) of phospholipid-based aqueous extract for 3 weeks, and 300-600mg/day of standardized extracts like Cyracos® for 15 days. General standardized extracts range from 300-1200mg/day. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Melissa officinalis is generally well-tolerated with mild side effects including occasional drowsiness and gastrointestinal upset. The herb may enhance effects of sedative medications, [thyroid](/ingredients/condition/hormonal) medications, and GABA-ergic drugs, requiring medical supervision for concurrent use. Topical applications rarely cause contact dermatitis in sensitive individuals. Safety during pregnancy and breastfeeding has not been established, warranting caution in these populations.

## Scientific Research

Clinical evidence includes a pilot trial (n=20) showing 95% anxiety response and 100% insomnia response with Cyracos® extract (PMID: 22043994), and a larger RCT (n=100) demonstrating significant improvements in depression, anxiety, stress, and [sleep quality](/ingredients/condition/sleep) with 400mg/day phospholipid-based extract (PMID: 37927585). Meta-analyses confirm positive effects on depression and anxiety (PMID: 41754356), with additional RCTs showing benefits in diabetic patients (PMID: 37131158).

## Historical & Cultural Context

In European herbalism, Melissa officinalis has been used for over 2000 years to treat anxiety, [insomnia](/ingredients/condition/sleep), digestive issues, and nervous disorders. Traditional preparations include calming teas and tinctures, valued throughout Mediterranean and Western medicine systems for sedative and mood-enhancing properties.

## Synergistic Combinations

Passionflower, Valerian root, L-theanine, Magnesium glycinate, Ashwagandha

## Frequently Asked Questions

### Does melissa officinalis help with depression?

Yes, clinical evidence supports melissa officinalis for depression. A randomized controlled trial of 100 adults found that 400mg/day of a phospholipid-based extract significantly reduced DASS-42 depression scores (p<0.001) after 3 weeks (PMID: 37927585). Meta-analyses also confirm positive effects on depressive symptoms (PMID: 41754356). The mechanism involves rosmarinic acid modulating GABAergic neurotransmission and HPA axis activity, which reduces cortisol — a key driver of mood dysregulation. Results are most consistent with standardized extracts used for at least 2–3 weeks.

### Is melissa officinalis safe for children?

Melissa officinalis appears to be well-tolerated in pediatric populations based on available integrative review data (PMID: 34449930), which supports its use for anxiety and sleep difficulties in children. However, robust large-scale pediatric clinical trials are limited. Most studied adult dosages (300–600mg/day) should not be extrapolated directly to children without professional guidance. Parents should consult a paediatrician or integrative medicine practitioner before giving lemon balm supplements to children to confirm appropriate dosing and rule out contraindications.

### Can melissa officinalis reduce cortisol and stress?

Yes. Melissa officinalis modulates the hypothalamic-pituitary-adrenal (HPA) axis, helping to lower elevated cortisol levels — the body's primary stress hormone. In a 100-person RCT, 400mg/day of a standardised extract significantly reduced DASS-42 stress scores (p<0.001) alongside anxiety and depression improvements (PMID: 37927585). Rosmarinic acid and citral are the key active compounds involved. This cortisol-lowering effect complements its GABAergic mechanisms, making lemon balm a dual-action adaptogen-like herb for stress management.

### What is Cyracos and how does it differ from regular lemon balm extract?

Cyracos® is a standardised, proprietary lemon balm extract standardised to contain at least 7% rosmarinic acid and 15% hydroxycinnamic acid derivatives. In a pilot trial (n=20), Cyracos® at 300–600mg/day for 15 days produced a 95% anxiety response rate and a 100% insomnia responder rate (PMID: 22043994). Compared to non-standardised lemon balm, Cyracos® offers more consistent potency and predictable clinical outcomes. Standard bulk extracts vary widely in active compound content, potentially leading to inconsistent results.

### How does melissa officinalis improve sleep quality?

Melissa officinalis enhances sleep through two primary mechanisms: GABAergic modulation and cortisol reduction. Rosmarinic acid inhibits GABA transaminase, increasing available GABA — an inhibitory neurotransmitter that promotes relaxation and sleep onset. In clinical trials, 100% of participants using Cyracos® extract reported improved sleep (PMID: 22043994), and a larger RCT confirmed significant PSQI score improvements with 400mg/day (PMID: 37927585). Unlike pharmaceutical sleep aids, lemon balm does not appear to cause next-day sedation or dependency at studied doses.

### Can melissa officinalis be taken with valerian for sleep?

Combining melissa officinalis with valerian root is one of the most studied herbal pairings for sleep and anxiety. Both herbs enhance GABAergic neurotransmission through complementary mechanisms — valerian primarily via valerenic acid and lemon balm via rosmarinic acid — potentially producing additive effects. Commercial combination products have been evaluated in clinical settings with favourable safety profiles. However, the combination may increase sedative effects, so caution is advised when driving or operating machinery. Always consult a healthcare provider before combining herbal supplements.

### Does melissa officinalis have benefits for people with diabetes?

Emerging evidence suggests melissa officinalis may offer benefits in diabetic populations. A dedicated RCT in diabetic patients reported positive outcomes with standardised lemon balm supplementation (PMID: 37131158). Proposed mechanisms include rosmarinic acid's antioxidant and anti-inflammatory activity, which may help reduce oxidative stress common in type 2 diabetes. Additionally, its anxiolytic and sleep-improving effects may indirectly support glycaemic control, since chronic stress and poor sleep impair insulin sensitivity. Diabetics should consult their physician before supplementing, particularly if on glucose-lowering medications.

### What are the side effects of melissa officinalis supplements?

Melissa officinalis is generally well-tolerated in clinical trials at doses of 300–1200mg/day. Reported side effects are uncommon but may include mild nausea, dizziness, or increased sedation, particularly at higher doses or when combined with other sedative agents. Because it enhances GABAergic activity and inhibits acetylcholinesterase, combining it with sedative medications, benzodiazepines, or thyroid medications warrants caution. Pregnant or breastfeeding women should avoid supplementation without medical supervision. Long-term safety data beyond 8–12 weeks of continuous use is limited.

### What is the effective dosage of melissa officinalis for anxiety?

Clinical studies used 300mg of standardized melissa officinalis extract twice daily (600mg total) for anxiety reduction. This dosage demonstrated a 95% response rate with 70% showing significant improvement within 15 days.

### How long does melissa officinalis take to work for sleep?

Melissa officinalis typically improves sleep quality within 15 days of consistent use. Clinical trials showed 100% responder rates for sleep improvements using standardized extracts containing rosmarinic acid as the active marker.

### Can melissa officinalis interact with prescription medications?

Yes, melissa officinalis can enhance effects of sedative medications, thyroid drugs, and GABA-ergic compounds due to its GABAergic and cortisol-modulating properties. Consult healthcare providers before combining with prescription medications.

### What are the active compounds in melissa officinalis?

The primary bioactive compounds are rosmarinic acid (2-4% in quality extracts) and citral, which provide the anxiolytic and sleep-promoting effects. Rosmarinic acid content is typically used as the standardization marker for therapeutic potency.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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