Plant Comparison
Lavender vs Skullcap
A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.
At a glance
Lavender and Skullcap: both belong to the Lamiaceae family; they share 1 indicated use (insomnia / sleeplessness); 1 pharmacological action in common.
Evidence face-off — shared uses
| Condition | Lavender | Skullcap | Verdict |
|---|---|---|---|
| Insomnia / sleeplessness | 5/10 | 5/10 | Comparable evidence |
Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.
Key Constituents
Flower essential oil dominated by linalool and linalyl acetate, the principal compounds behind the calming, anxiolytic and antimicrobial activity.
Antioxidant constituents of the flower.
Bind the benzodiazepine site of the GABA-A receptor, underlying the calming effect; baicalin is used as the HPLC quality marker, and its content varies widely between commercial tinctures.
GABA is the main inhibitory neurotransmitter and contributes to the anxiolytic activity.
Pharmacological Actions
Anxiolytic for anxiety and nervous tension (the flavonoids baicalin and baicalein bind the benzodiazepine site of the GABA-A receptor); a randomised, double-blind, placebo-controlled crossover trial in healthy volunteers found significantly improved overall mood without loss of energy or cognition; Calming nervine for stress and nervous disorders (traditional)
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anticancer action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from sedative action
inferred from antispasmodic action
inferred from antispasmodic action
inferred from anti-inflammatory action
Anxiolytic for anxiety and nervous tension (the flavonoids baicalin and baicalein bind the benzodiazepine site of the GABA-A receptor); a randomised, double-blind, placebo-controlled crossover trial in healthy volunteers found significantly improved overall mood without loss of energy or cognition
Sedative / sleep support (insomnia)
Anxiolytic for anxiety and nervous tension (the flavonoids baicalin and baicalein bind the benzodiazepine site of the GABA-A receptor); a randomised, double-blind, placebo-controlled crossover trial in healthy volunteers found significantly improved overall mood without loss of energy or cognition
Safety, Cautions & Contraindications
Generally very safe. Essential oil should not be ingested in large amounts. Rarely, contact dermatitis may occur. May potentiate the effect of sedative medications. Avoid therapeutic doses during pregnancy.
Duke (2002) rates lavender as ++ and provides clinical evidence (score 2) for carminative activity, consistent with Commission E approval for nervous stomach disorders and functional abdominal complaints. Additional experimental activities include anxiolytic, antispasmodic, and antiseptic effects. The essential oil demonstrates COX-2 inhibitory and Alzheimer's-relevant properties at the experimental level. Dose: 1–2 teaspoons (4–8 g) dried flowers as tea; 1–3 drops essential oil in a carrier for topical or aromatherapy use. Duke notes that oral lavender oil (Silexan) has clinical evidence for generalized anxiety disorder (Duke, 2002).
Generally well tolerated; its sedative effect can add to that of alcohol, sedatives and sleep medicines, and it may inhibit some drug-metabolising (CYP) enzymes.
External Ids
Botanical Description
Aromatic, evergreen, woody-based perennial subshrub with narrow, grey-green, felted leaves. Slender flowering spikes carrying whorls of small, tubular, two-lipped violet-blue flowers rise well above the foliage on long, unbranched stalks.[4]
Perennial herb (Lamiaceae), 30-80 cm tall, with square stems. Leaves are opposite, ovate to lance-shaped and toothed. Small blue, two-lipped flowers are borne in one-sided leafy racemes arising from the leaf axils; the helmet-shaped calyx gives the genus its 'skullcap' name.[11]
Habitat
Native to the mountains of the western Mediterranean (southern France, Spain, Italy); widely cultivated in sunny, well-drained, often calcareous sites across temperate and Mediterranean climates worldwide.[4]
Native to North America, growing in damp meadows, marshes, streambanks and wet woodland margins.[11]
Harvesting
The flower spikes are cut as the flowers open, in mid- to late summer, when essential oil content is highest, and dried in a warm, shaded, airy place or distilled fresh for essential oil.[4]
The whole flowering aerial parts are cut at flowering (summer) and dried. Given the well-documented history of adulteration with toxic germander, sourcing from an authenticated, tested supplier is essential rather than home foraging of an uncertain look-alike.[11]
Traditional Uses
Lavender flower has a long Mediterranean and European tradition as a calming, sedative herb for nervous tension, anxiety and insomnia, and as a mild digestive carminative and antiseptic for minor wounds and skin irritation; the essential oil in particular has an extensive modern clinical evidence base for anxiety and sleep support.[4]
American skullcap has a Native American and 19th-century Eclectic-medicine tradition as a calming nervine for anxiety and nervous tension - the old name 'mad-dog skullcap' reflects a folk remedy explored for rabies. Modern research on its flavonoids baicalin and baicalein, which bind the benzodiazepine site of the GABA-A receptor, supports its calming, anxiolytic and sleep-supporting reputation.[11]
Preparations
Dosage
The EU herbal monograph gives 1-2 g of the flower in 150 mL of boiling water as an infusion, three times daily, in adolescents, adults and elderly; a tincture at 2-4 mL three times daily is also listed. The monograph notes that lavender may impair the ability to drive or use machines. Not recommended under 12 years. Educational reference only, not a prescription.
Traditional guidance suggests roughly 1-2 g dried herb per cup as an infusion, up to three times daily, or a tincture per product-specific dosing given known variability in flavonoid content between commercial products. Educational reference only, not a prescription; buy only from a source that has authenticated the species and tested for germander adulteration.
References
Drug Class Interactions
Pairings
Lavender and valerian are both calming herbs used to aid relaxation and sleep; taken together their sedative effects can add up, so while they may help relaxation they can also increase drowsiness — avoid combining with sedative medicines or before driving.[22, 23]
Lavender and lemon balm are both calming herbs used to ease anxiety and aid sleep; taken together their sedative effects can add up, so while they may help relaxation they can also increase drowsiness — avoid combining with sedative medicines or before driving.[22, 24]
Lavender and chamomile are both calming herbs used to ease anxiety and aid sleep; taken together their sedative effects can add up, so while they may help relaxation they can also increase drowsiness — avoid combining with sedative medicines or before driving.[22, 25]
Not documented
Lookalikes Review
Dangerous Lookalikes
Not documented
References & Sources
- Tan, L., Liao, F.F., Long, L.Z., Ma, X.C. et al (2023) 'Essential oils for treating anxiety: a systematic review of randomized controlled trials and network meta-analysis', Frontiers in Public Health, 11, pp. 1144404. doi:10.3389/fpubh.2023.1144404 Meta-analysis / review
https://doi.org/10.3389/fpubh.2023.1144404 - Dos Reis Lucena, L., Dos Santos-Junior, J.G., Tufik, S. and Hachul, H (2021) 'Lavender essential oil on postmenopausal women with insomnia: Double-blind randomized trial', Complementary Therapies in Medicine, 59, pp. 102726. doi:10.1016/j.ctim.2021.102726 Randomized trial
https://doi.org/10.1016/j.ctim.2021.102726 - Moss, M., Cook, J., Wesnes, K. and Duckett, P (2003) 'Aromas of rosemary and lavender essential oils differentially affect cognition and mood in healthy adults', International Journal of Neuroscience, 113(1), pp. 15-38. doi:10.1080/00207450390161903 Randomized trial
https://doi.org/10.1080/00207450390161903 - Denner, S.S (2009) 'Lavandula angustifolia Miller: English lavender', Holistic Nursing Practice, 23(1), pp. 57-64. doi:10.1097/01.HNP.0000343210.56710.fc Meta-analysis / review
https://doi.org/10.1097/01.HNP.0000343210.56710.fc - Basch, E., Foppa, I., Liebowitz, R., Nelson, J., Smith, M., Sollars, D. and Ulbricht, C (2004) 'Lavender (Lavandula angustifolia Miller)', Journal of Herbal Pharmacotherapy, 4(2), pp. 63-78. doi:10.1080/j157v04n02_07 Meta-analysis / review
https://doi.org/10.1080/j157v04n02_07 - Betlej, I., Andres, B., Cebulak, T., Kapusta, I., Balawejder, M., Zurek, N., Jaworski, S., Lange, A., Kutwin, M., Pisulewska, E., Kidacka, A., Krochmal-Marczak, B., Boruszewski, P. and Borysiuk, P (2024) 'Phytochemical composition and antimicrobial properties of new Lavandula angustifolia ecotypes', Molecules, 29(8), pp. 1740. doi:10.3390/molecules29081740 Preclinical
https://doi.org/10.3390/molecules29081740 - Rahimian, Z., Sadrian, S., Shahisavandi, M., Aligholi, H., Zarshenas, M.M., Abyar, A., Zeraatpisheh, Z. and Asadi-Pooya, A.A (2023) 'Antiseizure effects of Lavandula angustifolia L', BioMed Research International, 2023, pp. 4121998. doi:10.1155/2023/4121998 Preclinical
https://doi.org/10.1155/2023/4121998 - de Melo Alves Silva, L.C., de Oliveira Mendes, F.D.C., de Castro Teixeira, F., de Lima Fernandes, T.E., Barros Ribeiro, K.R., da Silva Leal, K.C., Dantas, D.V. and Neves Dantas, R.A (2023) 'Use of Lavandula angustifolia essential oil as a complementary therapy in adult health care: a scoping review', Heliyon, 9(5), pp. e15446. doi:10.1016/j.heliyon.2023.e15446 Meta-analysis / review
https://doi.org/10.1016/j.heliyon.2023.e15446 - Lejeune, V.B.P., Lopes, R.V., Baggio, D.F., Koren, L.D.O., Zanoveli, J.M. and Chichorro, J.G (2023) 'Antinociceptive and anxiolytic-like effects of Lavandula angustifolia essential oil on rat models of orofacial pain', Journal of Applied Oral Science, 30, pp. e20220304. doi:10.1590/1678-7757-2002-0304 Preclinical
https://doi.org/10.1590/1678-7757-2002-0304 - Mykhailenko, O., Hurina, V., Ivanauskas, L., Marksa, M., Skybitska, M., Kovalenko, O., Lytkin, D., Vladymyrova, I. and Georgiyants, V (2024) 'Lavandula angustifolia herb from Ukraine: comparative chemical profile and in vitro antioxidant activity', Chemistry & Biodiversity, 21(9), pp. e202400640. doi:10.1002/cbdv.202400640 Preclinical
https://doi.org/10.1002/cbdv.202400640 - Shamabadi, A. and Akhondzadeh, S (2021) 'Efficacy and tolerability of Lavandula angustifolia in treating patients with the diagnosis of depression: a systematic review of randomized controlled trials', Journal of Complementary & Integrative Medicine, 20(1), pp. 81-91. doi:10.1515/jcim-2020-0498 Meta-analysis / review
https://doi.org/10.1515/jcim-2020-0498 - Cardia, G.F.E., Silva-Filho, S.E., Silva, E.L., Uchida, N.S., Cavalcante, H.A.O., Cassarotti, L.L., Salvadego, V.E.C., Spironello, R.A., Bersani-Amado, C.A. and Cuman, R.K.N (2018) 'Effect of lavender (Lavandula angustifolia) essential oil on acute inflammatory response', Evidence-Based Complementary and Alternative Medicine, 2018, pp. 1413940. doi:10.1155/2018/1413940 Preclinical
https://doi.org/10.1155/2018/1413940 - Aboalhaija, N.H., Syaj, H., Afifi, F., Sunoqrot, S., Al-Shalabi, E. and Talib, W (2022) 'Chemical evaluation, in vitro and in vivo anticancer activity of Lavandula angustifolia grown in Jordan', Molecules, 27(18), pp. 5910. doi:10.3390/molecules27185910 Preclinical
https://doi.org/10.3390/molecules27185910 - Caputo, L., Reguilon, M.D., Minarro, J., De Feo, V. and Rodriguez-Arias, M (2018) 'Lavandula angustifolia essential oil and linalool counteract social aversion induced by social defeat', Molecules, 23(10), pp. 2694. doi:10.3390/molecules23102694 Preclinical
https://doi.org/10.3390/molecules23102694 - European Medicines Agency (HMPC) (2012) 'Community herbal monograph on Lavandula angustifolia Miller, flos'. Available at: https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-lavandula-angustifolia-p-mill-flos_en.pdf Traditional / reference
https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-lavandula-angustifolia-p-mill-flos_en.pdf - Cavanagh, H.M.A. and Wilkinson, J.M (2002) 'Biological activities of lavender essential oil', 16(4), pp. 301--308. doi:10.1002/ptr.1103 Traditional / reference
https://doi.org/10.1002/ptr.1103 - Lis-Balchin, M (2002) 'Lavender: The Genus Lavandula'. Traditional / reference
https://scholar.google.com/scholar?q=Lavender%3A%20The%20Genus%20Lavandula - Schuwald, A.M. et al (2013) 'Lavender oil-potent anxiolytic properties via modulating voltage dependent calcium channels', 8(4). doi:10.1371/journal.pone.0059998 Randomized trial
https://doi.org/10.1371/journal.pone.0059998 - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2024) 'Therapeutic potential of hypnotic herbal medicines: A comprehensive review', Phytotherapy Research, 38(6), pp. 3037-3059. doi:10.1002/ptr.8201 Meta-analysis / review
https://doi.org/10.1002/ptr.8201 - Block, K.I., Gyllenhaal, C. and Mead, M.N (2004) 'Safety and efficacy of herbal sedatives in cancer care', Integrative Cancer Therapies, 3(2), pp. 128-148. doi:10.1177/1534735404265003 Meta-analysis / review
https://doi.org/10.1177/1534735404265003 - Dold, M., Bartova, L., Volz, H.P., Seifritz, E., Moller, H.J., Schlafke, S. and Kasper, S (2023) 'Efficacy of Silexan in patients with anxiety disorders: a meta-analysis of randomized, placebo-controlled trials', European Archives of Psychiatry and Clinical Neuroscience, 273(7), pp. 1615-1628. doi:10.1007/s00406-022-01547-w Meta-analysis / review
https://doi.org/10.1007/s00406-022-01547-w - Bent, S., Padula, A., Moore, D., Patterson, M. and Mehling, W (2006) 'Valerian for sleep: a systematic review and meta-analysis', The American Journal of Medicine, 119(12), pp. 1005-1012. doi:10.1016/j.amjmed.2006.02.026 Meta-analysis / review
https://doi.org/10.1016/j.amjmed.2006.02.026 - Haybar, H., Javid, A.Z., Haghighizadeh, M.H., Valizadeh, E., Mohaghegh, S.M. and Mohammadzadeh, A (2018) 'The effects of Melissa officinalis supplementation on depression, anxiety, stress, and sleep disorder in patients with chronic stable angina', Clinical Nutrition ESPEN, 26, pp. 47-52. doi:10.1016/j.clnesp.2018.04.015 Randomized trial
https://doi.org/10.1016/j.clnesp.2018.04.015 - Amsterdam, J.D., Li, Y., Soeller, I., Rockwell, K., Mao, J.J. and Shults, J (2009) 'A randomized, double-blind, placebo-controlled trial of oral Matricaria recutita (chamomile) extract therapy for generalized anxiety disorder', Journal of Clinical Psychopharmacology, 29(4), pp. 378-382. doi:10.1097/JCP.0b013e3181ac935c Randomized trial
https://doi.org/10.1097/JCP.0b013e3181ac935c
- Di Minno, A., Morone, M.V., Buccato, D.G., De Lellis, L.F. and others (2025) 'Efficacy and Tolerability of a Chemically Characterized Scutellaria lateriflora L. Extract-Based Food Supplement for Sleep Management: A Single-Center, Controlled, Randomized, Crossover, Double-Blind Clinical Trial', Nutrients, 17(9), pp. 1491. doi:10.3390/nu17091491 Randomized trial
https://doi.org/10.3390/nu17091491 - Wolfson, P. and Hoffmann, D.L (2003) 'An investigation into the efficacy of Scutellaria lateriflora in healthy volunteers', Alternative Therapies in Health and Medicine, 9(2), pp. 74-78. Randomized trial
https://scholar.google.com/scholar?q=An%20investigation%20into%20the%20efficacy%20of%20Scutellaria%20lateriflora%20in%20healthy%20volunteers - Di Minno, A., Ullah, H., De Lellis, L.F., Buccato, D.G. and others (2024) 'Efficacy and Tolerability of a Cistus x incanus L. and Scutellaria lateriflora L.-Based Chewing Gum on the Symptoms of Gingivitis: A Monocentric, Randomized, Double-Blind, Placebo-Controlled Clinical Trial', Nutrients, 16(6), pp. 862. doi:10.3390/nu16060862 Randomized trial
https://doi.org/10.3390/nu16060862 - Wilczanska, A., Sparzak-Stefanowska, B., Kokotkiewicz, A., Jesionek, A. and others (2023) 'Biotechnological strategies for controlled accumulation of flavones in hairy root culture of Scutellaria lateriflora L', Scientific Reports, 13(1), pp. 20422. doi:10.1038/s41598-023-47757-7 Preclinical
https://doi.org/10.1038/s41598-023-47757-7 - Cole, I.B., Cao, J., Alan, A.R., Saxena, P.K. and Murch, S.J (2008) 'Comparisons of Scutellaria baicalensis, Scutellaria lateriflora and Scutellaria racemosa: genome size, antioxidant potential and phytochemistry', Planta Medica, 74(4), pp. 474-481. doi:10.1055/s-2008-1034358 Preclinical
https://doi.org/10.1055/s-2008-1034358 - Li, J., Ding, Y., Li, X.C., Ferreira, D. and others (2009) 'Scuteflorins A and B, dihydropyranocoumarins from Scutellaria lateriflora', Journal of Natural Products, 72(6), pp. 983-987. doi:10.1021/np900068t Preclinical
https://doi.org/10.1021/np900068t - Tuan, P.A., Kim, Y.S., Kim, Y., Thwe, A.A. and others (2016) 'Molecular characterization of flavonoid biosynthetic genes and accumulation of baicalin, baicalein, and wogonin in plant and hairy root of Scutellaria lateriflora', Saudi Journal of Biological Sciences, 25(8), pp. 1639-1647. doi:10.1016/j.sjbs.2016.08.011 Preclinical
https://doi.org/10.1016/j.sjbs.2016.08.011 - Gafner, S., Bergeron, C., Batcha, L.L., Reich, J. and others (2003) 'Inhibition of [3H]-LSD binding to 5-HT7 receptors by flavonoids from Scutellaria lateriflora', Journal of Natural Products, 66(4), pp. 535-537. doi:10.1021/np0205102 Preclinical
https://doi.org/10.1021/np0205102 - Gafner, S., Bergeron, C., Batcha, L.L., Angerhofer, C.K. and others (2003) 'Analysis of Scutellaria lateriflora and its adulterants Teucrium canadense and Teucrium chamaedrys by LC-UV/MS, TLC, and digital photomicroscopy', Journal of AOAC International, 86(3), pp. 453-460. doi:10.1093/jaoac/86.3.453 Preclinical
https://doi.org/10.1093/jaoac/86.3.453 - Sun, J. and Chen, P (2011) 'A flow-injection mass spectrometry fingerprinting method for authentication and quality assessment of Scutellaria lateriflora-based dietary supplements', Analytical and Bioanalytical Chemistry, 401(5), pp. 1577-1584. doi:10.1007/s00216-011-5246-2 Preclinical
https://doi.org/10.1007/s00216-011-5246-2 - Awad, R., Arnason, J.T., Trudeau, V., Bergeron, C., Budzinski, J.W., Foster, B.C. and Merali, Z (2003) 'Phytochemical and biological analysis of skullcap (Scutellaria lateriflora L.): a medicinal plant with anxiolytic properties', Phytomedicine. doi:10.1078/0944-7113-00374 Traditional / reference
https://doi.org/10.1078/0944-7113-00374 - Gao, J. and Sanchez-Medina, A. and Pendry, B.A. and Hughes, M.J. and Webb, G.P. and Corcoran, O (2008) 'Validation of a HPLC method for flavonoid biomarkers in skullcap (Scutellaria) and its use to illustrate wide variability in the quality of commercial tinctures', Journal of Pharmacy & Pharmaceutical Sciences, 11(1), pp. 77--87. doi:10.18433/j39g6v Preclinical
https://doi.org/10.18433/j39g6v - Brock, C. and Whitehouse, J. and Tewfik, I. and Towell, T (2014) 'American Skullcap (Scutellaria lateriflora): a randomised, double-blind placebo-controlled crossover study of its effects on mood in healthy volunteers', Phytotherapy Research, 28(5), pp. 692--698. doi:10.1002/ptr.5044 Randomized trial
https://doi.org/10.1002/ptr.5044 - Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2024) 'Therapeutic potential of hypnotic herbal medicines: A comprehensive review', Phytotherapy Research, 38(6), pp. 3037-3059. doi:10.1002/ptr.8201 Meta-analysis / review
https://doi.org/10.1002/ptr.8201 - Block, K.I., Gyllenhaal, C. and Mead, M.N (2004) 'Safety and efficacy of herbal sedatives in cancer care', Integrative Cancer Therapies, 3(2), pp. 128-148. doi:10.1177/1534735404265003 Meta-analysis / review
https://doi.org/10.1177/1534735404265003 - Lin, L.Z. and Harnly, J.M. and Upton, R (2009) 'Comparison of the phenolic component profiles of skullcap (Scutellaria lateriflora) and germander (Teucrium canadense and T. chamaedrys), a potentially hepatotoxic adulterant', Phytochemical Analysis, 20(4), pp. 298-306. doi:10.1002/pca.1127 Preclinical
https://doi.org/10.1002/pca.1127 - Pacifico, S. and D'Abrosca, B. and Scognamiglio, M. and D'Angelo, G. and Gallicchio, M. and Galasso, S. and Monaco, P. and Fiorentino, A (2012) 'NMR-based metabolic profiling and in vitro antioxidant and hepatotoxic assessment of partially purified fractions from Golden germander (Teucrium polium L.) methanolic extract', Food Chemistry, 135(3), pp. 1957-67. doi:10.1016/j.foodchem.2012.06.071 Preclinical
https://doi.org/10.1016/j.foodchem.2012.06.071
Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.