Plant Comparison
Tea vs Holy Basil
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
Tea and Holy Basil: they share 7 indicated uses (arthritis / joint pain, blood sugar / diabetes support, cancer (anticancer research), …); 4 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Tea | Holy Basil | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 1/10 | 1/10 | Comparable evidence |
| Blood sugar / diabetes support | 1/10 | 7/10 | Stronger for Holy Basil |
| Cancer (anticancer research) | 8/10 | 8/10 | Comparable evidence |
| Cognitive function | 1/10 | 5/10 | Stronger for Holy Basil |
| Inflammation (general) | 1/10 | 1/10 | Comparable evidence |
| Memory | 1/10 | 5/10 | Stronger for Holy Basil |
| Skin irritation | 1/10 | 1/10 | 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
Principal antioxidant polyphenols, most concentrated in minimally oxidised green tea; epigallocatechin gallate (EGCG) is the best studied.
Caffeine gives tea its mild stimulant effect; L-theanine, a unique amino acid, is associated with calm alertness and modulates caffeine's effects.
Oxidative polymerisation products of catechins formed during black tea processing, contributing to black tea's colour and its own antioxidant profile.
Pharmacological Actions
Adaptogen for stress and anxiety (improves stress scores and well-being in trials)
Cognitive support - a placebo-controlled study in healthy adults found improved reaction time and accuracy and shorter P300 latency
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from antidiabetic action
inferred from anticancer action
inferred from neuroprotective action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
Adaptogen for stress and anxiety (improves stress scores and well-being in trials)
inferred from anti-inflammatory action
Supports blood-sugar control (lowers fasting and post-meal glucose)
inferred from anticancer action
inferred from neuroprotective action
inferred from adaptogen action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
Generally safe in moderate consumption. High caffeine intake may cause insomnia, anxiety, palpitations, or dependence. Large amounts of green tea extract supplements may be hepatotoxic (rare). May reduce iron absorption if consumed with meals. Avoid very high supplement doses during pregnancy.
Duke (2002) rates tea (Camellia sinensis) as ++ and notes anti-aggregant, antioxidant, anticariogenic, and antibacterial activities at the experimental level (score 1). The catechins (EGCG, ECG) and polyphenols are responsible for the antioxidant and anticancer properties under research investigation. Duke notes that green tea preserves more polyphenols than black tea due to less oxidation. Regular tea consumption is associated with reduced cardiovascular risk. Excess consumption (>10 cups daily) may cause fluoride-related bone changes. Caffeine content is relevant for sleep disturbance, anxiety, and interactions with cardiovascular medications (Duke, 2002).
Generally well tolerated; mild nausea has been reported. Its blood-sugar-lowering effect means caution alongside antidiabetic medicines.
External Ids
Botanical Description
Evergreen shrub or small tree with glossy, dark green, leathery, finely toothed leaves. Small, fragrant, white flowers with a prominent central boss of yellow stamens are borne singly or in small clusters in the leaf axils. Commercial tea is made from the young leaves and unopened leaf buds ('sprouts'), processed differently to yield green, black, white or oolong tea from the same species.[15]
Aromatic annual or short-lived perennial subshrub (Lamiaceae), 30-75 cm tall, with erect, much-branched, hairy stems often tinged purple. Leaves are opposite, ovate-oblong with a toothed margin, and release a strong, clove-like (eugenol) scent when crushed. Small purplish-pink, two-lipped flowers are borne in elongated terminal racemes. The plant is held sacred in Hindu tradition (Tulsi).[11]
Habitat
Native to the subtropical and tropical forests and hillsides of East and South Asia (China, India, Myanmar); cultivated extensively across Asia, Africa and elsewhere on well-drained, acidic upland soils.[15]
Native to the Indian subcontinent and tropical Asia, now cultivated and naturalised throughout the tropics and subtropics worldwide; commonly grown in home gardens and temple courtyards as well as cultivated as a medicinal and aromatic crop.[12]
Harvesting
The youngest leaves and unopened leaf buds ('flush') are hand- or machine-picked repeatedly through the growing season; how the fresh leaf is subsequently processed (withered, rolled, oxidised, fixed and dried) determines whether it becomes green, black, white or oolong tea.[15]
Leaves are harvested year-round from actively growing plants, ideally picked once morning dew has dried; whole flowering tops are also gathered.
Traditional Uses
Tulsi is one of the most revered plants in Ayurvedic medicine, traditionally used as an adaptogen for stress, a remedy for respiratory complaints (colds, cough, asthma), and a general immune tonic. Modern clinical trials support adaptogenic/anti-stress, blood-sugar-lowering and immunomodulatory effects consistent with these traditional uses.[3, 12]
Preparations
Young leaf, minimally oxidised, infused in hot water; the least-processed and most-studied form for antioxidant polyphenol content.
Concentrated leaf extract standardised to catechin (e.g. EGCG) content, taken as capsules; used in some clinical studies, though high-dose extracts carry rare hepatotoxicity concerns.
Dosage
The EU herbal monograph on green tea leaf (Camelliae sinensis non fermentatum folium) gives, for adults and elderly, 1.8-2.2 g of the whole or comminuted leaf in 100-150 mL of boiling water as an infusion, 3-5 times daily; a powdered herbal substance at 390 mg three times daily (up to 5 if necessary) is also listed. Contraindicated in gastric and duodenal ulcers, cardiovascular disorders such as hypertension and arrhythmia, and hyperthyroidism. Not recommended under 18 years. Educational reference only, not a prescription.
Clinical trials for stress and mood have used standardised dry-extract capsules taken over several weeks; dosing varies by product concentration, so follow the manufacturer's guidance. Educational reference only, not a prescription.
The WHO monograph on Folium Ocimi Sancti gives a daily dosage of 6-12 g of the crude drug as a decoction. This is a whole-day total for the fresh or dried leaf, notably higher than the 1-2 g per cup often quoted in popular sources. Educational reference only, not a prescription.
References
Drug Class Interactions
Lookalikes Review
References & Sources
- Mancini, E., Beglinger, C., Drewe, J., Zanchi, D. et al (2017) 'Green tea effects on cognition, mood and human brain function: A systematic review', Phytomedicine, 34, pp. 26-37. doi:10.1016/j.phymed.2017.07.008 Meta-analysis / review
https://doi.org/10.1016/j.phymed.2017.07.008 - Musial, C., Kuban-Jankowska, A. and Gorska-Ponikowska, M (2020) 'Beneficial Properties of Green Tea Catechins', International Journal of Molecular Sciences, 21(5), pp. 1744. doi:10.3390/ijms21051744 Traditional / reference
https://doi.org/10.3390/ijms21051744 - Ohishi, T., Goto, S., Monira, P., Isemura, M. and Nakamura, Y (2016) 'Anti-inflammatory Action of Green Tea', Anti-inflammatory & Anti-allergy Agents in Medicinal Chemistry, 15(2), pp. 74-90. doi:10.2174/1871523015666160915154443 Traditional / reference
https://doi.org/10.2174/1871523015666160915154443 - Zhao, T., Li, C., Wang, S. and Song, X (2022) 'Green Tea (Camellia sinensis): A Review of Its Phytochemistry, Pharmacology, and Toxicology', Molecules, 27(12), pp. 3909. doi:10.3390/molecules27123909 Meta-analysis / review
https://doi.org/10.3390/molecules27123909 - Filippini, T., Malavolti, M., Borrelli, F., Izzo, A.A., Fairweather-Tait, S.J., Horneber, M. and Vinceti, M (2020) 'Green tea (Camellia sinensis) for the prevention of cancer', Cochrane Database of Systematic Reviews, 3(3), pp. CD005004. doi:10.1002/14651858.CD005004.pub3 Meta-analysis / review
https://doi.org/10.1002/14651858.CD005004.pub3 - Prasanth, M.I., Sivamaruthi, B.S., Chaiyasut, C. and Tencomnao, T (2019) 'A Review of the Role of Green Tea (Camellia sinensis) in Antiphotoaging, Stress Resistance, Neuroprotection, and Autophagy', Nutrients, 11(2), pp. 474. doi:10.3390/nu11020474 Meta-analysis / review
https://doi.org/10.3390/nu11020474 - Bedrood, Z., Rameshrad, M. and Hosseinzadeh, H (2018) 'Toxicological effects of Camellia sinensis (green tea): A review', Phytotherapy Research, 32(7), pp. 1163-1180. doi:10.1002/ptr.6063 Meta-analysis / review
https://doi.org/10.1002/ptr.6063 - Hamilton-Miller, J.M.T (2001) 'Anti-cariogenic properties of tea (Camellia sinensis)', Journal of Medical Microbiology, 50(4), pp. 299-302. doi:10.1099/0022-1317-50-4-299 Meta-analysis / review
https://doi.org/10.1099/0022-1317-50-4-299 - Conde, V.R., Alves, M.G., Oliveira, P.F. and Silva, B.M (2015) 'Tea (Camellia sinensis (L.)): a putative anticancer agent in bladder carcinoma?', Anti-Cancer Agents in Medicinal Chemistry, 15(1), pp. 26-36. doi:10.2174/1566524014666141203143143 Meta-analysis / review
https://doi.org/10.2174/1566524014666141203143143 - Moore, R.J., Jackson, K.G. and Minihane, A.M (2009) 'Green tea (Camellia sinensis) catechins and vascular function', British Journal of Nutrition, 102(12), pp. 1790-1802. doi:10.1017/S0007114509991218 Meta-analysis / review
https://doi.org/10.1017/S0007114509991218 - Gaur, R. and Bao, G.H (2021) 'Chemistry and Pharmacology of Natural Catechins from Camellia sinensis as Anti-MRSA Agents', Current Topics in Medicinal Chemistry, 21(17), pp. 1519-1537. doi:10.2174/1568026621666210524100632 Meta-analysis / review
https://doi.org/10.2174/1568026621666210524100632 - Tafazoli, A. and Tafazoli Moghadam, E (2020) 'Camellia Sinensis Mouthwashes in Oral Care: a Systematic Review', Journal of Dentistry (Shiraz), 21(4), pp. 249-262. doi:10.30476/DENTJODS.2020.83204.1045 Meta-analysis / review
https://doi.org/10.30476/DENTJODS.2020.83204.1045 - Albassam, A.A. and Markowitz, J.S (2017) 'An Appraisal of Drug-Drug Interactions with Green Tea (Camellia sinensis)', Planta Medica, 83(6), pp. 496-508. doi:10.1055/s-0043-100934 Meta-analysis / review
https://doi.org/10.1055/s-0043-100934 - Gramza-Michalowska, A (2014) 'Caffeine in tea Camellia sinensis - content, absorption, benefits and risks of consumption', Journal of Nutrition, Health & Aging, 18(2), pp. 143-149. doi:10.1007/s12603-013-0404-1 Meta-analysis / review
https://doi.org/10.1007/s12603-013-0404-1 - Chacko, S.M. et al (2010) 'Beneficial effects of green tea: a literature review'. Traditional / reference
https://scholar.google.com/scholar?q=Beneficial%20effects%20of%20green%20tea%3A%20a%20literature%20review - European Medicines Agency (HMPC) (2013) 'Community herbal monograph on Camellia sinensis (L.) Kuntze, non fermentatum folium'. Available at: https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-camellia-sinensis-l-kuntze-non-fermentatum-folium_en.pdf Traditional / reference
https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-camellia-sinensis-l-kuntze-non-fermentatum-folium_en.pdf - Drake, V.J (2015) 'Tea catechins and cardiovascular disease risk', 74(1), pp. 39--46. Traditional / reference
https://scholar.google.com/scholar?q=Tea%20catechins%20and%20cardiovascular%20disease%20risk - Nobre, A.C., Rao, A. and Owen, G.N (2008) 'L-theanine, a natural constituent in tea, and its effect on mental state', pp. 167--168. Traditional / reference
https://scholar.google.com/scholar?q=L-theanine%2C%20a%20natural%20constituent%20in%20tea%2C%20and%20its%20effect%20on%20mental%20state - 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 - Misaka, S., Yatabe, J., Muller, F., Takano, K., Kawabe, K., Glaeser, H., Yatabe, M.S., Onoue, S., Werba, J.P., Watanabe, H., Yamada, S., Fromm, M.F. and Kimura, J (2014) 'Green tea ingestion greatly reduces plasma concentrations of nadolol in healthy subjects', Clinical Pharmacology and Therapeutics, 95(4), pp. 432-438. doi:10.1038/clpt.2013.241 Randomized trial
https://doi.org/10.1038/clpt.2013.241 - Werba, J.P., Misaka, S., Giroli, M.G., Shimomura, K., Amato, M., Simonelli, N., Vigo, L. and Tremoli, E (2018) 'Update of green tea interactions with cardiovascular drugs and putative mechanisms', Journal of Food and Drug Analysis, 26(2S), pp. S72-S77. doi:10.1016/j.jfda.2018.01.008 Meta-analysis / review
https://doi.org/10.1016/j.jfda.2018.01.008
- Lopresti, A.L., Smith, S.J., Metse, A.P. and Drummond, P.D (2022) 'A randomized, double-blind, placebo-controlled trial investigating the effects of an Ocimum tenuiflorum (Holy Basil) extract (Holixer) on stress, mood, and sleep in adults experiencing stress', Frontiers in Nutrition, 9, pp. 965130. doi:10.3389/fnut.2022.965130 Randomized trial
https://doi.org/10.3389/fnut.2022.965130 - Baliga, M.S., Jimmy, R., Thilakchand, K.R., Sunitha, V. and others (2013) 'Ocimum sanctum L (Holy Basil or Tulsi) and its phytochemicals in the prevention and treatment of cancer', Nutrition and Cancer, 65(Suppl 1), pp. 26-35. doi:10.1080/01635581.2013.785010 Meta-analysis / review
https://doi.org/10.1080/01635581.2013.785010 - Cohen, M.M (2014) 'Tulsi - Ocimum sanctum: A herb for all reasons', Journal of Ayurveda and Integrative Medicine, 5(4), pp. 251-259. doi:10.4103/0975-9476.146554 Meta-analysis / review
https://doi.org/10.4103/0975-9476.146554 - Arya, R., Faruquee, H.M., Shakya, H., Rahman, S.A. and others (2024) 'Harnessing the Antibacterial, Anti-Diabetic and Anti-Carcinogenic Properties of Ocimum tenuiflorum Linn (Tulsi)', Plants, 13(24), pp. 3516. doi:10.3390/plants13243516 Preclinical
https://doi.org/10.3390/plants13243516 - Prakash, P. and Gupta, N (2005) 'Therapeutic uses of Ocimum sanctum Linn (Tulsi) with a note on eugenol and its pharmacological actions: a short review', Indian Journal of Physiology and Pharmacology, 49(2), pp. 125-131. Meta-analysis / review
https://scholar.google.com/scholar?q=Therapeutic%20uses%20of%20Ocimum%20sanctum%20Linn%20%28Tulsi%29%20with%20a%20note%20on%20eugenol%20and%20its%20pharmacological%20actions%3A%20a%20short%20review - Jayapal, V., Vidya Raj, C.K., Muthaiah, M., Chadha, V.K. and others (2021) 'In-vitro anti-Mycobacterium tuberculosis effect of essential oil of Ocimum sanctum L. (Tulsi/Basil) leaves', Indian Journal of Tuberculosis, 68(4), pp. 470-473. doi:10.1016/j.ijtb.2021.02.009 Preclinical
https://doi.org/10.1016/j.ijtb.2021.02.009 - Baliga, M.S., Rao, S., Rai, M.P. and D'souza, P (2016) 'Radio protective effects of the Ayurvedic medicinal plant Ocimum sanctum Linn. (Holy Basil): A memoir', Journal of Cancer Research and Therapeutics, 12(1), pp. 20-27. doi:10.4103/0973-1482.151422 Meta-analysis / review
https://doi.org/10.4103/0973-1482.151422 - Kamel, F.O., Karim, S., Bafail, D.A.O., Aldawsari, H.M. and others (2023) 'Hepatoprotective effects of bioactive compounds from traditional herb Tulsi (Ocimum sanctum Linn) against galactosamine-induced hepatotoxicity in rats', Frontiers in Pharmacology, 14, pp. 1213052. doi:10.3389/fphar.2023.1213052 Preclinical
https://doi.org/10.3389/fphar.2023.1213052 - Yadav, I., Kumar, R., Fatima, Z. and Rema, V (2024) 'Ocimum sanctum (Tulsi) as a Potential Immunomodulator for the Treatment of Ischemic Injury in the Brain', Current Molecular Medicine, 24(1), pp. 60-73. doi:10.2174/1566524023666221212155340 Meta-analysis / review
https://doi.org/10.2174/1566524023666221212155340 - Kumar, P. and Patel, D (2023) 'Ocimum Sanctum: An All-Round Treatment for Cancer?', Alternative Therapies in Health and Medicine, 29(4), pp. 253-257. Meta-analysis / review
https://scholar.google.com/scholar?q=Ocimum%20Sanctum%3A%20An%20All-Round%20Treatment%20for%20Cancer%3F - Bhattacharyya, P. and Bishayee, A (2013) 'Ocimum sanctum Linn. (Tulsi): an ethnomedicinal plant for the prevention and treatment of cancer', Anti-Cancer Drugs. doi:10.1097/CAD.0b013e328361aca1 Traditional / reference
https://doi.org/10.1097/CAD.0b013e328361aca1 - Jamshidi, N. and Cohen, M.M (2017) 'The Clinical Efficacy and Safety of Tulsi in Humans: A Systematic Review of the Literature', Evidence-Based Complementary and Alternative Medicine. doi:10.1155/2017/9217567 Meta-analysis / review
https://doi.org/10.1155/2017/9217567 - World Health Organization (2002) 'Folium Ocimi Sancti'. Available at: https://iris.who.int/items/6418d8af-5200-4e6b-9bf5-004f3aa62a37 Traditional / reference
https://iris.who.int/items/6418d8af-5200-4e6b-9bf5-004f3aa62a37 - Sampath, S., Mahapatra, S.C., Padhi, M.M., Sharma, R. and Talwar, A (2015) 'Holy basil (Ocimum sanctum Linn.) leaf extract enhances specific cognitive parameters in healthy adult volunteers: A placebo controlled study', Indian Journal of Physiology and Pharmacology, 59(1), pp. 69--77. Randomized trial
https://scholar.google.com/scholar?q=Holy%20basil%20%28Ocimum%20sanctum%20Linn.%29%20leaf%20extract%20enhances%20specific%20cognitive%20parameters%20in%20healthy%20adult%20volunteers%3A%20A%20placebo%20controlled%20study - Jamshidi, N. and Cohen, M.M (2017) 'The Clinical Efficacy and Safety of Tulsi in Humans: A Systematic Review of the Literature', Evidence-Based Complementary and Alternative Medicine, 2017, pp. 9217567. doi:10.1155/2017/9217567 Meta-analysis / review
https://doi.org/10.1155/2017/9217567 - Agrawal, P., Rai, V. and Singh, R.B (1996) 'Randomized placebo-controlled, single blind trial of holy basil leaves in patients with noninsulin-dependent diabetes mellitus', International Journal of Clinical Pharmacology and Therapeutics, 34(9), pp. 406-409. Randomized trial
https://scholar.google.com/scholar?q=Randomized%20placebo-controlled%2C%20single%20blind%20trial%20of%20holy%20basil%20leaves%20in%20patients%20with%20noninsulin-dependent%20diabetes%20mellitus
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.