Mother Tincture
Tincture of the flowering aerial parts, used at practitioner-directed dilution.
Mother Tincture · Aerial Parts
Lamiaceae · Naturalized in North America
Biological Overview
Nepeta cataria is an aromatic, downy perennial reaching 1 meter in height, with grayish-green, heart-shaped leaves carrying a mint-like scent. Its white flowers, speckled with purple, grow in whorls. Native to Europe and naturalized in North America, it favors dry paths and mountainous regions up to 1,500 meters in altitude.
HabitAromatic Perennial, 1m
Native RangeEurope, Naturalized N. America
Nepetalactone in EOUp to 60%+ (origin-dependent)
HabitatDry Paths, up to 1,500m
Botanical Classification
Taxonomy & Identification
- Latin Name
- Nepeta cataria L.
- Family
- Lamiaceae
- Common Names
- Catnip, Catmint, Cataire
- Parts Used
- Flowering aerial parts
- EO Chemotypes
- Nepetalactone; 1,8-cineole ± linalool
- Origin
- Europe, naturalized in North America
Ethnobotany & Traditional Use
History & Tradition
Catnip has been known since antiquity, and its cultivation was encouraged in the royal domains of Charlemagne's era — it appears in the Capitulare de Villis, his decree governing crops grown on imperial estates. It was used to treat fevers throughout the Middle Ages.
The 18th-century Trévoux dictionary described catnip as a "very aperitive plant," suited to inducing menstruation and relieving hot flashes. Its herbal tea has a notably pleasant taste, unlike another herb historically nicknamed "cat's herb," valerian.
Various Nepeta species are used across traditional medicine as antimicrobial, anti-inflammatory, sedative, relaxant, hypocholesterolemic, antiasthmatic, carminative, diuretic, diaphoretic, febrifuge, and vermifuge agents, depending on their specific composition. 1
⚠ Not the Same as Valerian
Catnip and valerian have both historically carried the nickname "herb of the cat," but they are different plants with different constituents and effects — catnip's tea also tastes notably better.
The Key Compound
Nepetalactone — Deep Dive
The iridoid lactone behind catnip's insect-repellent power, mild analgesic activity, and its famous — but entirely separate — effect on cats.
🧬
The Signature Iridoid
Nepetalactone, an iridoid lactone, can make up more than 60% of the essential oil depending on the plant's origin. 3
💊
Analgesic, Opioid-Like Activity
Identified as a novel opioid analgesic from a related Nepeta species. 5
🦟
🐱
Feline Behavioral Trigger
Nepetalactone and actinidine act as attractants for cats, producing the well-known behavioral response — a phenomenon distinct from catnip's mild sedative effect in humans.
⚠ Different Species, Different Effects
The genus Nepeta is large, and effects vary by species.
The Nepeta genus includes many species used variably across traditional medicine. Catnip's well-known feline attraction shouldn't be confused with — or assumed to predict — its separate, mild sedative and antispasmodic effects in humans.
Pharmaceutical Preparations
Parts Used
The flowering aerial parts are used medicinally, prepared as a single documented form.
Clinical Dosimetry
Dosages
No standardized usual dosage has been established for catnip; dosing should be guided by a qualified practitioner.
Phytochemistry
Composition
Plant and essential-oil composition — no gemmotherapy (bud) fraction is documented for this species.
Plant — Primary Constituents
IridoidsNepetalactone, the signature marker compound
Present
Tannins, Flavonoids & Phenolic AcidsGeneral polyphenolic constituents 2
Present
Essential OilCitronellol, geraniol, carvacrol, thymol
Present
ActinidineThe feline-attractant compound
Present
Essential Oil — Primary Constituents
NepetalactoneLactone; can exceed 60% depending on origin 3
Up to 60%+
Citronellol & GeraniolMonoterpene alcohols
Present
Carvacrol & ThymolPhenols
Present
1,8-CineoleOxide; defines the second chemotype
Present
alpha-Humulene, alpha-Pinene & Geranyl AcetateMonoterpenols and ester constituents
Present
💊
Analgesic
Analgesic activity attributed particularly to nepetalactone, with a mild narcotic quality. 45
🌀
Antispasmodic & Decontracting
Traditionally regarded as antispasmodic and muscle-relaxing.
🌡️
Diaphoretic & Febrifuge
Promotes sweating and traditionally used to reduce fever.
🩺
Carminative & Digestive
Facilitates gas expulsion and supports digestion.
🦠
Anti-infective
Active against Gram-positive (Staphylococcus aureus) and Gram-negative (Pseudomonas aeruginosa) bacteria often responsible for nosocomial disease, oral cavity infections, and Salmonella sp. 893
🦟
Powerful Insect Repellent
Repels mosquitoes including Anopheles and Aedes aegypti, ticks, and dust mites. 111415
🫀
Hepatoprotective
Protective against acetaminophen-induced liver dysfunction in animal models. 17
🧫
Anti-Proliferative
Inhibits growth and induces apoptosis in certain human prostate and breast cancer cell lines. 21
Clinical Applications
Clinical Indications
Catnip's traditional use spans childhood colds, digestive complaints, and nervous or hormonal symptoms.
🤒
Colds, Flu & Fevers
Primary Indication
- Childhood Eruptive Illnesses: colds, flu, fevers, and eruptive illnesses of childhood, traditionally paired with black elderberry in a honey-sweetened tea. 22
- Respiratory Symptoms: asthmatiform and spastic bronchitis.
🩺
Digestive Health
Traditional Indication
- Indigestion, Colic & Digestive Headaches: traditionally used for indigestion, colic, and headaches of digestive origin.
🌡️
Women's Health & Nervous System
Traditional Indication
- Menopausal & Menstrual: hot flashes and menstrual disorders.
- Nervous Tension: nervousness, insomnia, and hypertension.
🦴
Topical & Use Considerations
Traditional / Practical
- Rheumatism & Arthritis: used locally for joint pain.
- Insect Repellent Use: the essential oil is used specifically as a natural insect repellent, distinct from the plant's internal therapeutic indications.
Pharmacodynamics
Mode of Action
Catnip's activity centers on iridoid defense chemistry, with a distinctive divergence between its human and feline effects.
🐜
Iridoid Defense Molecules
Iridoids take their name from the ant genus Iridomyrmex, which possesses these molecules as part of its defense mechanisms; many iridoids are anti-inflammatory.
🐱
Actinidine as Feline Attractant
Actinidine acts as an attractant for cats, a mechanism entirely separate from catnip's calming effect in humans.
🌀
Calcium Channel Inhibition (Spasmolytic & Antiasthmatic)
Likely inhibition of calcium channels with papaverine-like activity underlies the essential oil's spasmolytic and antiasthmatic effects. 19
💊
Opioid-Like Analgesic Pathway
Nepetalactone has been identified as a novel opioid analgesic in a related Nepeta species. 5
Risk Profile
Safety & Interactions
Catnip has a notably clean safety record — no adverse effects are documented for the plant, and its essential oil carries a low toxicity classification.
Adverse Effects
- None Documented for the Plant: no adverse effects are documented for catnip itself; prolonged use is avoided only as a general precaution, not due to a specific known risk.
- Essential Oil Toxicity Profile: the refined essential oil is classified as a biopesticide by the US EPA with a low toxicity level — an oral LD50 of 3,160 mg/kg in female rats and 2,710 mg/kg in male rats, and a dermal LD50 above 5,000 mg/kg. 23
Contraindications & Interactions
- No Documented Contraindications: none are specifically documented for the plant.
- General Precaution: avoid prolonged use as a general precaution rather than a response to a documented specific risk.
- Pets: catnip is well tolerated by cats in normal amounts, but keep concentrated essential oil away from pets given their much smaller body size relative to typical dosing references.
Clinical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice. Consult a qualified healthcare provider before starting catnip, particularly for extended use.
Common Questions
Frequently Asked Questions
What is catnip used for?
Catnip is traditionally used for colds, flu, fevers, and childhood eruptive illnesses, along with indigestion, colic, digestive headaches, menopausal hot flashes, menstrual disorders, nervousness, insomnia, and rheumatism applied locally.
Why does catnip affect cats differently than humans?
Actinidine and nepetalactone act as attractants that trigger a distinctive behavioral response in cats, producing the well-known feline reaction. This is a separate phenomenon from catnip's mild sedative and antispasmodic effect in humans.
How does catnip work?
Nepetalactone, catnip's signature iridoid, has been identified as a novel opioid analgesic in a related Nepeta species. The essential oil also shows likely calcium channel inhibition with papaverine-like activity, contributing to its spasmolytic and antiasthmatic effects.
What is the typical catnip dosage?
No standardized usual dosage has been established for catnip; dosing should be guided by a qualified practitioner.
Is catnip safe? Are there any known side effects?
No adverse effects are documented for the plant itself, and prolonged use is avoided only as a general precaution. The refined essential oil is classified as a biopesticide by the US EPA with a low toxicity profile.
Does catnip repel insects?
Yes. Nepetalactone is a strong insect repellent, shown to repel mosquitoes including Anopheles and Aedes aegypti, ticks, and dust mites, with some testing suggesting the essential oil is more active than DEET.
Can catnip help with sleep or anxiety?
Catnip is traditionally used for nervousness and insomnia, and sedative properties have been shown in animal models.
Is catnip the same as valerian?
No. Both have historically been called "herb of the cat," but catnip and valerian are different plants with different constituents; catnip's herbal tea has a notably more pleasant taste than valerian's.
Sources
Bibliography
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Full Text →
↑11. Birkett MA, Hassanali A, Höglund S, Pettersson J, Pickett JA. Repellent activity of catmint, Nepeta cataria, and iridoid nepetalactone isomers against Afro-tropical mosquitoes, ixodid ticks and red poultry mites. Phytochemistry. 2011;72(1):109–114.
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↑13. Reichert W, Ejercito J, Guda T, Dong X, Wu Q, Ray A, Simon JE. Repellency assessment of Nepeta cataria essential oils and isolated nepetalactones on Aedes aegypti. Sci Rep. 2019;9(1):1524.
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↑14. Gkinis G, Michaelakis A, Koliopoulos G, Ioannou E, Tzakou O, Roussis V. Evaluation of the repellent effects of Nepeta parnassica extract, essential oil, and its major nepetalactone metabolite against mosquitoes. Parasitol Res. 2014;113(3):1127–1134.
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↑17. Tan J, Li J, Ma J, Qiao F. Hepatoprotective effect of essential oils of Nepeta cataria L. on acetaminophen-induced liver dysfunction. Biosci Rep. 2019;39(8):BSR20190697.
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18. Adigüzel A, Özer H, Sökmen M, Güllüce M, Sökmen A, Kiliç H, Şahin F, Barış Ö. Antimicrobial and antioxidant activity of the essential oil and methanol extract of Nepeta cataria. Pol J Microbiol. 2009;58(1):69–76.
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↑19. Gilani AH, Shah AJ, Zubair A, Khalid S, Kiani J, Ahmed A, Rasheed M, Ahmad VU. Chemical composition and mechanisms underlying the spasmolytic and bronchodilatory properties of the essential oil of Nepeta cataria L. J Ethnopharmacol. 2009;121(3):405–411.
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↑21. Emami SA, Asili J, Hossein Nia S, Yazdian-Robati R, Sahranavard M, Tayarani-Najaran Z. Growth inhibition and apoptosis induction of essential oils and extracts of Nepeta cataria L. on human prostatic and breast cancer cell lines. Asian Pac J Cancer Prev. 2016;17(S3):125–130.
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↑22. Sharma A, Nayik GA, Cannoo DS. Pharmacology and toxicology of Nepeta cataria (Catmint) species of genus Nepeta: a review. Plant and Human Health, Volume 3: Pharmacology and Therapeutic Uses. 2019:285–299.
↑23. Zhu JJ, Zeng XP, Berkebile D, Du HJ, Tong Y, Qian K. Efficacy and safety of catnip (Nepeta cataria) as a novel filth fly repellent. Med Vet Entomol. 2009;23(3):209–216.
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Additional Sources
Saraç N, Uğur A. The in vitro antimicrobial activities of the essential oils of some Lamiaceae species from Turkey. J Med Food. 2009;12(4):902–907.
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PubMed: PMID 19735193 →