Plant Comparison
Hemp 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.
At a glance
Hemp and Chia: they share 4 indicated uses (arthritis / joint pain, cardiovascular / heart health, inflammation (general), …); 2 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Hemp | Chia | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 5/10 | 5/10 | Comparable evidence |
| Cardiovascular / heart health | 5/10 | 10/10 | Stronger for Chia |
| Inflammation (general) | 5/10 | 5/10 | Comparable evidence |
| Skin irritation | 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
The characteristic bioactive compounds of the resin-bearing flowers, varying widely in ratio and concentration between cultivars; THC is psychoactive, CBD is not.
Aromatic terpenes contribute to the plant's characteristic scent and may modulate cannabinoid effects.
Hemp seed is rich in polyunsaturated fatty acids (including omega-3 and omega-6), giving the pressed seed oil its nutritional value; essentially free of psychoactive cannabinoids.
The dominant fatty acid of chia oil, one of the richest plant sources of omega-3 known.
Responsible for the seed's characteristic gel-forming property when soaked.
Contribute to the seed's antioxidant activity.
Chia is a complete plant protein source and exceptionally high in dietary fibre.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from sedative action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
Industrial hemp (low-THC cannabis) seed oil and seeds are generally safe as food. CBD products derived from hemp may interact with medications metabolised by cytochrome P450 liver enzymes, including common anticoagulants, antiepileptics, and immunosuppressants. THC-containing preparations impair driving and are regulated or prohibited in many jurisdictions. Not recommended during pregnancy or breastfeeding. Quality and cannabinoid content vary widely between hemp products.
Duke (2002) rates cannabis as ++ and notes clinical evidence (score 2) for its antiemetic activity, especially relevant for chemotherapy-induced nausea. Score 1 activities include analgesic, anticonvulsant, and anti-inflammatory properties. Duke highlights the legal and pharmacological complexity, noting THC as the primary psychoactive compound. Medically, synthetic cannabinoids (dronabinol, nabilone) are clinically approved for nausea and anorexia. Duke cautions that while the plant has genuine therapeutic potential, psychoactive effects, legal restrictions, and risk of dependence with regular use must be considered (Duke, 2002).
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).
External Ids
Botanical Description
Erect annual herb with a distinctive palmately compound leaf of narrow, serrated leaflets. The plant is usually dioecious (separate male and female plants); female plants develop dense, resinous flower clusters, while male plants bear looser pollen-releasing flowers. The seed (achene) is small, hard-shelled and oil-rich.[14]
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]
Habitat
Believed native to Central Asia; now cultivated worldwide, with industrial hemp (low-THC cultivars) grown in temperate climates for fibre, seed and cannabinoid extraction, subject to varying legal regulation by jurisdiction.[14]
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
Flowers (and resin-bearing leaves) are harvested at peak resin/cannabinoid content, typically as the flower clusters mature in late summer to autumn; seed is harvested once mature and dried, then pressed for oil or used whole.[14]
Seed heads are harvested once dry, typically in autumn, and threshed to release the small seeds.[1]
Traditional Uses
Cannabis/hemp has a long multi-cultural history as a fibre, food and medicinal plant, traditionally used for pain, muscle spasm, sleep and appetite, alongside industrial use of the fibre and seed. Modern cannabinoid research, particularly on THC and CBD, has substantially expanded the evidence base for pain, spasticity and specific seizure disorders.[14, 15]
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
Whole or hulled seed, or cold-pressed seed oil, used as a nutritional food source (essentially free of psychoactive cannabinoids).
Extract standardised to specific cannabinoid content (e.g. CBD), used in regulated medicinal products; regulatory status varies widely by jurisdiction and product type.
Eaten whole, ground, or soaked to form a gel (due to the seed's high mucilage content), stirred into food or drinks.
References
Drug Class Interactions
Not documented
Lookalikes Review
Dosage
References & Sources
- Rock, E.M. and Parker, L.A (2021) 'Constituents of Cannabis sativa', Advances in Experimental Medicine and Biology, 1264, pp. 1-13. doi:10.1007/978-3-030-57369-0_1 Traditional / reference
https://doi.org/10.1007/978-3-030-57369-0_1 - Castillo-Arellano, J., Canseco-Alba, A., Cutler, S.J. and León, F (2023) 'The Polypharmacological Effects of Cannabidiol', Molecules, 28(7), pp. 3271. doi:10.3390/molecules28073271 Traditional / reference
https://doi.org/10.3390/molecules28073271 - Pagano, C., Navarra, G., Coppola, L., Avilia, G. et al (2022) 'Cannabinoids: Therapeutic Use in Clinical Practice', International Journal of Molecular Sciences, 23(6), pp. 3344. doi:10.3390/ijms23063344 Traditional / reference
https://doi.org/10.3390/ijms23063344 - ElSohly, M.A., Radwan, M.M., Gul, W., Chandra, S. and Galal, A (2017) 'Phytochemistry of Cannabis sativa L', Progress in the Chemistry of Organic Natural Products, 103, pp. 1-36. doi:10.1007/978-3-319-45541-9_1 Meta-analysis / review
https://doi.org/10.1007/978-3-319-45541-9_1 - Viana, M.D.B., de Aquino, P.E.A., Estadella, D., Ribeiro, D.A. and Viana, G.S.D.B (2022) 'Cannabis sativa and cannabidiol: a therapeutic strategy for the treatment of neurodegenerative diseases?', Medical Cannabis and Cannabinoids, 5(1), pp. 207-219. doi:10.1159/000527335 Meta-analysis / review
https://doi.org/10.1159/000527335 - Alves, P., Amaral, C., Teixeira, N. and Correia-da-Silva, G (2020) 'Cannabis sativa: much more beyond delta-9-tetrahydrocannabinol', Pharmacological Research, 157, pp. 104822. doi:10.1016/j.phrs.2020.104822 Meta-analysis / review
https://doi.org/10.1016/j.phrs.2020.104822 - Odieka, A.E., Obuzor, G.U., Oyedeji, O.O., Gondwe, M., Hosu, Y.S. and Oyedeji, A.O (2022) 'The medicinal natural products of Cannabis sativa Linn.: a review', Molecules, 27(5), pp. 1689. doi:10.3390/molecules27051689 Meta-analysis / review
https://doi.org/10.3390/molecules27051689 - Nuutinen, T (2018) 'Medicinal properties of terpenes found in Cannabis sativa and Humulus lupulus', European Journal of Medicinal Chemistry, 157, pp. 198-228. doi:10.1016/j.ejmech.2018.07.076 Meta-analysis / review
https://doi.org/10.1016/j.ejmech.2018.07.076 - Liktor-Busa, E., Keresztes, A., LaVigne, J., Streicher, J.M. and Largent-Milnes, T.M (2021) 'Analgesic potential of terpenes derived from Cannabis sativa', Pharmacological Reviews, 73(4), pp. 98-126. doi:10.1124/pharmrev.120.000046 Meta-analysis / review
https://doi.org/10.1124/pharmrev.120.000046 - Martinelli, G., Magnavacca, A., Fumagalli, M., Dell'Agli, M., Piazza, S. and Sangiovanni, E (2021) 'Cannabis sativa and skin health: dissecting the role of phytocannabinoids', Planta Medica, 88(7), pp. 492-506. doi:10.1055/a-1420-5780 Meta-analysis / review
https://doi.org/10.1055/a-1420-5780 - Andre, C.M., Hausman, J.F. and Guerriero, G (2016) 'Cannabis sativa: the plant of the thousand and one molecules', Frontiers in Plant Science, 7, pp. 19. doi:10.3389/fpls.2016.00019 Meta-analysis / review
https://doi.org/10.3389/fpls.2016.00019 - Bonini, S.A., Premoli, M., Tambaro, S., Kumar, A., Maccarinelli, G., Memo, M. and Mastinu, A (2018) 'Cannabis sativa: a comprehensive ethnopharmacological review of a medicinal plant with a long history', Journal of Ethnopharmacology, 227, pp. 300-315. doi:10.1016/j.jep.2018.09.004 Meta-analysis / review
https://doi.org/10.1016/j.jep.2018.09.004 - Bergamaschi, M.M., Queiroz, R.H.C., Zuardi, A.W. and Crippa, J.A.S (2011) 'Safety and side effects of cannabidiol, a Cannabis sativa constituent', Current Drug Safety, 6(4), pp. 237-249. doi:10.2174/157488611798280924 Meta-analysis / review
https://doi.org/10.2174/157488611798280924 - Cerino, P., Buonerba, C., Cannazza, G. et al (2021) 'A review of hemp as food and nutritional supplement', 6(1), pp. 19--27. doi:10.1089/can.2020.0001 Preclinical
https://doi.org/10.1089/can.2020.0001 - Devinsky, O., Cross, J.H., Laux, L. et al (2017) 'Trial of cannabidiol for drug-resistant seizures in the Dravet syndrome', 376(21), pp. 2011--2020. Randomized trial
https://scholar.google.com/scholar?q=Trial%20of%20cannabidiol%20for%20drug-resistant%20seizures%20in%20the%20Dravet%20syndrome - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - 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 - Talwar, A., Estes, E., Aparasu, R. and Reddy, D.S (2022) 'Clinical efficacy and safety of cannabidiol for pediatric refractory epilepsy indications: A systematic review and meta-analysis', Experimental Neurology, 359, pp. 114238. doi:10.1016/j.expneurol.2022.114238 Meta-analysis / review
https://doi.org/10.1016/j.expneurol.2022.114238 - Caus, M.N., Lupoae, M. and Chitescu, C.L (2026) 'Efficacy and Safety of Herbal Supplements with Anxiolytic, Antidepressant, and Sedative Action: A Review of Clinical Data and Toxicological Risks', Pharmaceuticals, 19(3), pp. 399. doi:10.3390/ph19030399 Meta-analysis / review
https://doi.org/10.3390/ph19030399
- 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - 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 - 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 - 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
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.