Plant Comparison

Holy Basil vs Chia

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.

First plant
Second plant
Show:
Plant AHoly BasilOcimum tenuiflorumLamiaceaeFull monograph →
Plant BChiaSalvia hispanicaLamiaceaeFull monograph →

At a glance

Holy Basil and Chia: both belong to the Lamiaceae family; they share 3 indicated uses (arthritis / joint pain, inflammation (general), skin irritation); 2 pharmacological actions in common.

Holy BasilChia
Constituents24
Pharmacological actions63
Indicated uses127
Safety notes22
Cited sources1614
Indicated uses
Only Holy Basil
AnxietyBlood sugar / diabetes supportCancer (anticancer research)Cognitive functionCold & fluFatigue / low energyImmune supportMemoryStress
Shared (3)
Arthritis / joint painInflammation (general)Skin irritation
Only Chia
BloatingCardiovascular / heart healthIndigestionMetabolic support
Pharmacological actions
Only Holy Basil
AdaptogenAnticancer (preclinical)Immunomodulator / immune supportNeuroprotective / cognition support
Shared (2)
Anti-inflammatoryAntioxidant
Only Chia
Digestive aid

Evidence face-off — shared uses

ConditionHoly BasilChiaVerdict
Arthritis / joint pain1/105/10Stronger for Chia
Inflammation (general)1/105/10Stronger for Chia
Skin irritation1/105/10Stronger for Chia

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

Volatile oil rich in eugenol[11]

The principal aromatic constituent, with anti-inflammatory and antimicrobial activity.

Essential (volatile) oilEugenol
Ursolic acid, rosmarinic acid, apigenin and luteolin[11]

Antioxidant and adaptogenic constituents.

Rosmarinic acidApigeninLuteolin
Alpha-linolenic acid (omega-3 fatty acid)[1]

The dominant fatty acid of chia oil, one of the richest plant sources of omega-3 known.

Mucilage polysaccharides (seed coat)[2]

Responsible for the seed's characteristic gel-forming property when soaked.

MucilagePolysaccharides
Phenolic antioxidants (chlorogenic acid, caffeic acid, quercetin, kaempferol)[1]

Contribute to the seed's antioxidant activity.

Chlorogenic acidCaffeic acidQuercetinKaempferol
Protein and dietary fibre[2]

Chia is a complete plant protein source and exceptionally high in dietary fibre.

Pharmacological Actions

Adaptogen[1, 3, 12]

Adaptogen for stress and anxiety (improves stress scores and well-being in trials)

Anti-inflammatory[3, 5, 11]

Antioxidant and anti-inflammatory

Anticancer (preclinical)[2, 4, 10, 11]
Antioxidant[3, 4, 5, 8, 11]

Antioxidant and anti-inflammatory

Immunomodulator / immune support[3, 5, 9, 11, 12]

Immunomodulatory / immune support

Neuroprotective / cognition support[14]

Cognitive support - a placebo-controlled study in healthy adults found improved reaction time and accuracy and shorter P300 latency

Anti-inflammatory[2, 9, 10, 11, 12]
Antioxidant[1, 2, 4, 7, 10, 11, 12]
Digestive aid[11, 12]

Traditional & Indicated Uses

Anxiety[1, 12]Good · 8/10

Adaptogen for stress and anxiety (improves stress scores and well-being in trials)

Evidence: 8
Label: Anxiety
Arthritis / joint pain[11]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Arthritis / joint pain
Blood sugar / diabetes support[4, 12]Good · 7/10

Supports blood-sugar control (lowers fasting and post-meal glucose)

Evidence: 7
Label: Blood sugar / diabetes support
Cancer (anticancer research)[2, 4, 10, 11]Good · 8/10

inferred from anticancer action

Evidence: 8
Label: Cancer (anticancer research)
Cognitive function[14]Moderate · 5/10

inferred from neuroprotective action

Evidence: 5
Label: Cognitive function
Cold & flu[11, 12]Good · 7/10

inferred from immunomodulator action

Evidence: 7
Label: Cold & flu
Fatigue / low energy[12]Good · 7/10

inferred from adaptogen action

Evidence: 7
Label: Fatigue / low energy
Immune support[11, 12]Good · 7/10

Immunomodulatory / immune support

Evidence: 7
Label: Immune support
Inflammation (general)[11]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Inflammation (general)
Memory[14]Moderate · 5/10

inferred from neuroprotective action

Evidence: 5
Label: Memory
Skin irritation[11]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Skin irritation
Stress[1, 12]Good · 8/10

Adaptogen for stress and anxiety (improves stress scores and well-being in trials)

Evidence: 8
Label: Stress
Arthritis / joint pain[11, 12]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Arthritis / joint pain
Bloating[11, 12]Moderate · 5/10

inferred from digestive action

Evidence: 5
Label: Bloating
Cardiovascular / heart health[3, 5, 6, 9, 11, 12, 13]Strong · 10/10
Evidence: 10
Label: Cardiovascular / heart health
Indigestion[11, 12]Moderate · 5/10

inferred from digestive action

Evidence: 5
Label: Indigestion
Inflammation (general)[9, 11, 12]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Inflammation (general)
Metabolic support[11, 12, 13]Moderate · 6/10
Evidence: 6
Label: Metabolic support
Skin irritation[11, 12]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Skin irritation

Safety, Cautions & Contraindications

Safety note[12]Caution

Generally well tolerated; mild nausea has been reported. Its blood-sugar-lowering effect means caution alongside antidiabetic medicines.

Safety note[11, 12]Caution

Animal studies suggest mild anti-fertility and antiplatelet effects, so avoid medicinal doses when pregnant or trying to conceive, and before surgery.

Safety note[11, 12, 13]Info

Never swallow a spoon of dry chia seeds and “chase” with water. They can swell fast and (rarely) cause a blockage, especially if someone already has swallowing problems (American College of Gastroenterology, 2014) Blood pressure / diabetes meds: if you’re on medication for blood pressure or blood sugar, chia as a major daily addition may slightly add to the effect for some people—monitor and talk to your clinician (Saadh et al., 2024) (Pam et al., 2024).

Safety note[11, 12, 13, 14]Info

Duke (2002) does not include a dedicated entry for Chia (Salvia hispanica) in the Handbook of Medicinal Herbs, Second Edition.

External Ids

Gbif: 2927100
Wikidata: Q960124
Gbif: 2926992
Wikidata: Q1071585

Botanical Description

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]

Height: 30-75 cm
Habit: Erect, much-branched, aromatic subshrub
Leaves: Opposite, ovate-oblong, toothed, clove-scented when crushed
Flowers: Small, purplish-pink, two-lipped, in elongated terminal racemes
Stem: Erect, much-branched, hairy, often purple-tinged
Root: Fibrous root system
Fruit: Four small nutlets (typical Lamiaceae schizocarp)
Flowering Period: Most of the year in tropical climates

Annual herb (Lamiaceae), 1-1.5 m tall, with square stems. Leaves are opposite, ovate to oblong with a toothed margin. Small purple to white, two-lipped flowers are borne in dense terminal spikes, followed by small oval seeds (grey-brown, mottled, or occasionally white) - the part used.[1]

Height: 1-1.5 m
Habit: Erect annual herb
Leaves: Opposite, ovate to oblong, toothed
Flowers: Small, purple to white, two-lipped, in dense terminal spikes
Stem: Square, erect
Root: Fibrous annual root system
Fruit: Small oval seeds, grey-brown and mottled (or occasionally white)
Flowering Period: Variable, typically late summer in its native range

Habitat

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]

Native to central and southern Mexico and Guatemala, historically a staple crop of Aztec and Mayan agriculture; now cultivated commercially in warm subtropical and tropical regions worldwide (notably South America and Australia) as a food crop.[1]

Harvesting

Leaves are harvested year-round from actively growing plants, ideally picked once morning dew has dried; whole flowering tops are also gathered.

Parts: Leaf, Flowering tops
Season: Year-round in warm climates

Seed heads are harvested once dry, typically in autumn, and threshed to release the small seeds.[1]

Parts: Seed
Season: Autumn, once seed heads have dried

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]

Chia seed has an ancient Mesoamerican food-medicine tradition as an energy-sustaining staple food for Aztec warriors and runners. Its modern popularity centres on its dense nutrient profile - fibre, omega-3 (alpha-linolenic acid) fatty acids, protein and antioxidants - studied for metabolic, cardiovascular and digestive support.[1]

Preparations

Infusion (tea)[3]

Dried or fresh leaf steeped in hot water, alone or blended with other herbs/spices.

Standardised extract capsule[1, 12]

Encapsulated dry-leaf extract, the form used in most clinical trials for stress, mood and sleep.

Whole or ground seed (culinary)[1]

Eaten whole, ground, or soaked to form a gel (due to the seed's high mucilage content), stirred into food or drinks.

Dosage

Standardised extract[1, 12]

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.

Infusion (tea)[13]

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.

Whole/ground seed[1, 2]

Typical dietary and study amounts range from about 15-25 g (roughly 1-2 tablespoons) of seed daily, usually soaked or ground for better digestibility. Educational reference only, not a prescription; always take with adequate liquid, never dry-swallowed.

References

REF-1427, REF-1428, REF-1429, REF-1430, REF-1431, REF-1432, REF-1433, REF-1434, REF-1435, REF-1436
REF-1263, REF-1264, REF-1265, REF-1266, REF-1267, REF-1268, REF-1269, REF-1270, REF-1271, REF-1272

Drug Class Interactions

Safety note[15, 16]Caution
Drug Class: antidiabetics
Mechanism: Holy basil (tulsi) can lower fasting and after-meal blood glucose in people with type 2 diabetes; combined with diabetes medicines it may add to blood-sugar lowering, so monitor blood sugar.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

Not documented

Lookalikes Review

Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07
Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

References & Sources

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  1. Khalid, W., Arshad, M.S., Aziz, A., Rahim, M.A. and others (2023) 'Chia seeds (Salvia hispanica L.): A therapeutic weapon in metabolic disorders', Food Science & Nutrition, 11(1), pp. 3-16. doi:10.1002/fsn3.3035 Meta-analysis / review
    https://doi.org/10.1002/fsn3.3035
  2. Enes, B.N., Moreira, L.P.D., Silva, B.P., Grancieri, M. and others (2020) 'Chia seed (Salvia hispanica L.) effects and their molecular mechanisms on unbalanced diet experimental studies: A systematic review', Journal of Food Science, 85(2), pp. 226-239. doi:10.1111/1750-3841.15003 Meta-analysis / review
    https://doi.org/10.1111/1750-3841.15003
  3. Silva, L.A., Verneque, B.J.F., Mota, A.P.L. and Duarte, C.K (2021) 'Chia seed (Salvia hispanica L.) consumption and lipid profile: a systematic review and meta-analysis', Food & Function, 12(19), pp. 8835-8849. doi:10.1039/d1fo01287h Meta-analysis / review
    https://doi.org/10.1039/d1fo01287h
  4. Valdivia-Lopez, M.A. and Tecante, A (2015) 'Chia (Salvia hispanica): A Review of Native Mexican Seed and its Nutritional and Functional Properties', Advances in Food and Nutrition Research, 75, pp. 53-75. doi:10.1016/bs.afnr.2015.06.002 Meta-analysis / review
    https://doi.org/10.1016/bs.afnr.2015.06.002
  5. Teoh, S.L., Lai, N.M., Vanichkulpitak, P., Vuksan, V. and others (2018) 'Clinical evidence on dietary supplementation with chia seed (Salvia hispanica L.): a systematic review and meta-analysis', Nutrition Reviews, 76(4), pp. 219-242. doi:10.1093/nutrit/nux071 Meta-analysis / review
    https://doi.org/10.1093/nutrit/nux071
  6. de Souza Ferreira, C., de Sousa Fomes, L.F., da Silva, G.E. and Rosa, G (2015) 'Effect of chia seed (Salvia hispanica L.) consumption on cardiovascular risk factors in humans: a systematic review', Nutricion Hospitalaria, 32(5), pp. 1909-1918. doi:10.3305/nh.2015.32.5.9394 Meta-analysis / review
    https://doi.org/10.3305/nh.2015.32.5.9394
  7. Knez Hrncic, M., Ivanovski, M., Cor, D. and Knez, Z (2019) 'Chia Seeds (Salvia hispanica L.): An Overview-Phytochemical Profile, Isolation Methods, and Application', Molecules, 25(1), pp. 11. doi:10.3390/molecules25010011 Meta-analysis / review
    https://doi.org/10.3390/molecules25010011
  8. Oliva, M.E., Ferreira, M.D.R., Vega Joubert, M.B. and D'Alessandro, M.E (2020) 'Salvia hispanica L. (chia) seed promotes body fat depletion and modulates adipocyte lipid handling in sucrose-rich diet-fed rats', Food Research International, 139, pp. 109842. doi:10.1016/j.foodres.2020.109842 Preclinical
    https://doi.org/10.1016/j.foodres.2020.109842
  9. Vega Joubert, M.B., Degrave, V., Ingaramo, P., Oliva, M.E. and others (2022) 'Salvia hispanica L. (chia) seed improves liver inflammation and endothelial dysfunction in an experimental model of metabolic syndrome', Food & Function, 13(21), pp. 11249-11261. doi:10.1039/d2fo02216h Preclinical
    https://doi.org/10.1039/d2fo02216h
  10. Grancieri, M., Martino, H.S.D. and Gonzalez de Mejia, E (2019) 'Chia Seed (Salvia hispanica L.) as a Source of Proteins and Bioactive Peptides with Health Benefits: A Review', Comprehensive Reviews in Food Science and Food Safety, 18(2), pp. 480-499. doi:10.1111/1541-4337.12423 Meta-analysis / review
    https://doi.org/10.1111/1541-4337.12423
  11. Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
    https://powo.science.kew.org
  12. Vuksan, V., Jenkins, A.L., Dias, A.G., Lee, A.S., Jovanovski, E., Rogovik, A.L. and Hanna, A (2010) 'Reduction in postprandial glucose excursion and prolongation of satiety: possible explanation of the long-term effects of whole grain Salba (Salvia hispanica L.)', 64(4), pp. 436--438. doi:10.1038/ejcn.2009.159 Randomized trial
    https://doi.org/10.1038/ejcn.2009.159
  13. Chandalia, M., Garg, A., Lutjohann, D., von Bergmann, K., Grundy, S.M. and Brinkley, L.J (2000) 'Beneficial effects of high dietary fiber intake in patients with type 2 diabetes mellitus', 342(19), pp. 1392--1398. doi:10.1056/nejm200005113421903 Randomized trial
    https://doi.org/10.1056/nejm200005113421903
  14. Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
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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.