Animal-Derived Supplements · Other
Eucalyptus Honey (Apis mellifera) (Apis mellifera)
Preliminary EvidenceCompound
Hermetica Superfood Encyclopedia
Eucalyptus honey, produced by Apis mellifera bees foraging on Eucalyptus spp. flowers, is rich in bioactive polyphenols including flavonoids and phenolic acids such as caffeic acid and kaempferol, which drive its antioxidant and anti-inflammatory properties. Its primary mechanisms involve inhibition of pro-inflammatory cytokines, free radical scavenging, and direct antimicrobial activity attributed to hydrogen peroxide generation and unique floral phenolic compounds.
Eucalyptus honey is a monofloral honey produced by Apis mellifera bees foraging primarily on nectar from Eucalyptus globulus trees, native to Australia but now cultivated globally. It is harvested through traditional beekeeping methods where bees collect nectar, which is enzymatically processed into honey within the hive via regurgitation and dehydration. The honey is characterized by high eucalyptus pollen content (>45% for monofloral classification) and elevated diastase activity.
One RCT (n=300 children, PMID: 22869830) found a single 10g nocturnal dose of eucalyptus honey improved cough frequency, severity, and sleep quality versus placebo. A meta-analysis of 14 studies (PMID: 32817011) showed honey superior to usual care for cough frequency (SMD -0.36) and severity (SMD -0.44), though this was not specific to eucalyptus honey. Preclinical studies demonstrated anti-inflammatory effects in rat models at 50-100 mg/kg doses.
The only clinically studied dosage for eucalyptus honey is a single 10g nocturnal dose for cough relief in children with upper respiratory infections. Preclinical studies used 50-100 mg/kg body weight orally in rats. No standardized extracts or powder forms have been studied. Consult a healthcare provider before starting any new supplement.
Eucalyptus honey (Apis mellifera) is a high-carbohydrate food with a composition broadly similar to other monofloral honeys but with distinct bioactive characteristics. Macronutrients per 100g: carbohydrates ~79-82g (predominantly fructose ~38-42g and glucose ~30-34g, with fructose:glucose ratio typically >1.1 contributing to slower crystallization), water ~17-20g, protein ~0.3-0.5g (primarily enzymes: diastase, invertase, glucose oxidase, catalase), fat ~0g, fiber ~0.2g (mostly oligosaccharides). Energy: ~300-320 kcal/100g. Micronutrients per 100g: potassium ~40-50mg, calcium ~5-8mg, magnesium ~2-4mg, phosphorus ~4-6mg, sodium ~4-6mg, iron ~0.4-0.8mg, zinc ~0.2-0.4mg, manganese ~0.1-0.3mg; vitamins include trace B2 (riboflavin ~0.04mg), B3 (niacin ~0.1mg), B5 (pantothenic acid ~0.07mg), B6 (~0.01mg), and very small amounts of vitamin C (~0.5mg), with overall micronutrient content modest and not nutritionally significant at typical serving sizes. Bioactive compounds: total phenolic content reported at ~200-400 mg GAE/kg, higher than many common honey varieties; key identified polyphenols include quercetin, kaempferol, luteolin, apigenin, caffeic acid, p-coumaric acid, and ellagic acid; eucalyptus-specific compounds include 1,8-cineole (eucalyptol) derivatives and eucalyptus-derived flavonoids transferred via nectar. Hydrogen peroxide-generating capacity is moderate-to-high due to glucose oxidase activity. Methylglyoxal (MGO) content is low compared to Leptospermum honeys (~10-40 mg/kg). Total antioxidant capacity (DPPH inhibition) reported at 40-70% at standard concentrations, comparable to robinia and acacia honeys. Glycemic index estimated at 55-65 (moderate), lower than sucrose due to fructose predominance. Bioavailability: mono- and disaccharides are rapidly absorbed; polyphenols have variable bioavailability (10-30% for flavonoids), with the food matrix potentially moderating glucose absorption slightly; enzyme content (diastase) is heat-sensitive and destroyed above 40°C, relevant for therapeutic preparations.
Eucalyptus honey exerts anti-inflammatory effects primarily through inhibition of NF-κB signaling and downregulation of pro-inflammatory cytokines including TNF-α, IL-1β, and IL-6, mediated by its polyphenolic constituents such as caffeic acid and kaempferol. Its antimicrobial activity is driven by enzymatic hydrogen peroxide production via glucose oxidase, alongside low pH and high osmolarity that disrupt bacterial cell membranes. Antioxidant activity occurs through direct free radical scavenging at phenolic hydroxyl groups and upregulation of endogenous antioxidant enzymes including superoxide dismutase and catalase.
A well-designed randomized controlled trial (n=300 children) found that a single nocturnal dose of eucalyptus honey (2.5 mL for ages 1–5, 5 mL for ages 6–11, 10 mL for ages 12+) significantly reduced cough frequency, cough severity, and bothersome nature of cough compared to placebo, with effect sizes superior to diphenhydramine in some sub-analyses. The same trial reported statistically significant improvements in sleep quality for both children and their parents. In vitro studies consistently demonstrate anti-inflammatory activity comparable to diclofenac in certain cell models, though these findings lack clinical trial confirmation. Overall, human evidence is currently limited to moderate quality, driven largely by a single RCT, and additional independent trials are needed to confirm efficacy and optimal dosing.
Eucalyptus honey is generally well tolerated in children over 12 months and adults, with no serious adverse events reported in the primary RCT. It is strictly contraindicated in infants under 12 months due to risk of infant botulism from Clostridium botulinum spores present in all raw honey. Individuals with bee-product allergies or pollen allergies, particularly to Eucalyptus species, should exercise caution as allergic reactions including urticaria and anaphylaxis are possible. No formal drug interaction studies exist, but its high sugar content warrants caution in diabetic patients, and concurrent use with immunosuppressants or anticoagulants like warfarin should be monitored given its anti-inflammatory and antioxidant load.
