Other names: Crataegus, quickthorn, thornapple, May-tree, whitethorn, Mayflower or Hawberry
Hawthorn is very rich in nutrients and beneficial constituents including amino acids, minerals, pectin, vitamin C, chlorogenic acid, epicatechol, and choline, hawthorn has a high therapeutic and health value[i]. Many studies have shown that hawthorn has antioxidant, anti-inflammatory and digestion enhancing properties. It is also beneficial in terms of potentially lowering the risk of cardiovascular disease[ii][iii].
Hawthorn is often used to promote good cardiovascular health. It may help protect against heart disease by improving blood flow, as well as reducing the risk of blood clots[iv][v].
Hawthorn has been traditionally used to help regulate high blood pressure. It may help dilate blood vessels, which can result in improved blood flow and reduced pressure on the arterial walls[vi].
Studies have shown Hawthorn to significantly reduce fasting blood sugar levels and improved insulin sensitivity compared to a placebo group[vii][viii]
Hawthorn may have a positive impact on cholesterol levels by helping to lower LDL (bad) cholesterol and increase HDL (good) cholesterol levels. This can contribute to a healthier lipid profile and overall cardiovascular health[ix].
Hawthorn contains potent antioxidants that can help protect the body against oxidative stress and damage caused by free radicals[x].
Hawthorn has been used to support digestion and relieve digestive discomfort. It may help improve digestion, reduce bloating, and alleviate symptoms such as indigestion[xi].
Some studies suggest that Hawthorn may have mild mood-calming effects, potentially helping to reduce symptoms of anxiety and stress. This is because Hawthorn berry has anxiolytic properties, which calm the central nervous system[xii].
If you have known allergies or sensitivities to plants in the Rosaceae family (such as apples, pears, or strawberries), you may be more prone to having allergic reactions to Hawthorn[xiii].
Hawthorn may have mild blood-thinning effects, so it's advisable to stop using Hawthorn supplements at least two weeks before scheduled surgery[xiv].
When it comes to the dosage of Hawthorn supplements, it's important to follow the recommended guidelines and consider consulting with a healthcare professional and following instructions. Read and follow the dosage instructions provided on the packaging.
Rare side effects may include dizziness, vertigo, headaches, migraines, and palpitations. Seek medical attention if you develop symptoms like rash, itching, swelling, or difficulty breathing[xv].
Starting with a lower dose and gradually increasing it may help minimise any gastrointestinal effects.
Hawthorn has been reported to cause headaches and dizziness in some individuals, particularly at higher doses. Likewise, it is advisable to reduce the dosage.
It is not recommended to take hawthorn if you already have low blood pressure or are taking medications that lower blood pressure[xvi], read more below.
Hawthorn has the potential to lower blood pressure. If you are already taking supplements with hypotensive effects, such as Coenzyme Q10 (CoQ10), L-arginine, or omega-3 fatty acids, combining them with Hawthorn may further reduce blood pressure. Monitoring blood pressure levels and consulting with a healthcare professional is recommended, especially if taking higher doses[xvii][xviii].
Some supplements, like foxglove (Digitalis), oleander, or lily of the valley, contain cardiac glycosides that affect heart function.
Before starting Hawthorn supplementation, it's important to consult with a healthcare professional, especially if you have any pre-existing medical conditions or are taking medications.
For example, if you are currently taking medications for high blood pressure or heart conditions, it's essential to consult with your healthcare provider before adding Hawthorn supplements. Hawthorn may have a blood pressure-lowering effect and combining it with certain medications could lead to a drop in blood pressure that is too great. Please seek advise regarding concomitant use of Hawthorn supplements with beta-blockers, calcium channel blockers, nitrates, and other cardiovascular medications[xix].
Pregnancy and breastfeeding: There is limited research on the safety of Hawthorn supplementation during pregnancy or breastfeeding. It's best to avoid using Hawthorn supplements during these periods unless specifically recommended by a healthcare professional[xx].
[i] Sixt M., Strube J. Systematic Design and Evaluation of an Extraction Process for Traditionally Used Herbal Medicine on the Example of Hawthorn (Crataegus monogyna JACQ.) Processes. 2018;6:73. doi: 10.3390/pr6070073.
[ii] Li T., Fu S., Huang X., Zhang X., Cui Y., Zhang Z., Ma Y., Zhang X., Yu Q., Yang S. Biological Properties and Potential Application of Hawthorn and Its Major Functional Components: A Review. J. Funct. Foods. 2022;90:104988.
[iii] Zhang J, Chai X, Zhao F, Hou G, Meng Q. Food Applications and Potential Health Benefits of Hawthorn. Foods. 2022 Sep 15;11(18):2861.
[iv] Wu M, Liu L, Xing Y, Yang S, Li H, Cao Y. Roles and Mechanisms of Hawthorn and Its Extracts on Atherosclerosis: A Review. Front Pharmacol. 2020 Feb 21;11:118.
[v] Tassell MC, Kingston R, Gilroy D, Lehane M, Furey A. Hawthorn (Crataegus spp.) in the treatment of cardiovascular disease. Pharmacogn Rev. 2010 Jan;4(7):32-41.
[vi] Asher GN, Viera AJ, Weaver MA, Dominik R, Caughey M, Hinderliter AL. Effect of hawthorn standardized extract on flow mediated dilation in prehypertensive and mildly hypertensive adults: a randomized, controlled cross-over trial. BMC Complement Altern Med. 2012 Mar 29;12:26.
[vii] Walker AF, Marakis G, Simpson E, Hope JL, Robinson PA, Hassanein M, Simpson HC. Hypotensive effects of hawthorn for patients with diabetes taking prescription drugs: a randomised controlled trial. Br J Gen Pract. 2006 Jun;56(527):437-43.
[viii] Min Q., Bai Y., Zhang Y., Yu W., Zhang M., Liu D., Diao T., Lv W. Hawthorn Leaf Flavonoids Protect against Diabetes-Induced Cardiomyopathy in Rats via PKC-α Signaling Pathway. Evid.-Based Complementary Altern. Med. 2017;2017:2071952.
[ix] Xu H, Xu HE, Ryan D. A study of the comparative effects of hawthorn fruit compound and simvastatin on lowering blood lipid levels. Am J Chin Med. 2009;37(5):903-8.
[x] Keser S, Celik S, Turkoglu S, Yilmaz Ö, Turkoglu I. The investigation of some bioactive compounds and antioxidant properties of hawthorn (Crataegus monogyna subsp. monogyna Jacq). J Intercult Ethnopharmacol. 2014 Apr-Jun;3(2):51-5.
[xi] Zhang J, Chai X, Zhao F, Hou G, Meng Q. Food Applications and Potential Health Benefits of Hawthorn. Foods. 2022 Sep 15;11(18):2861. doi: 10.3390/foods11182861. PMID: 36140986; PMCID: PMC9498108.
[xii] Lim DW, Han T, Jung J, Song Y, Um MY, Yoon M, Kim YT, Cho S, Kim IH, Han D, Lee C, Lee J. Chlorogenic Acid from Hawthorn Berry (Crataegus pinnatifida Fruit) Prevents Stress Hormone-Induced Depressive Behavior, through Monoamine Oxidase B-Reactive Oxygen Species Signaling in Hippocampal Astrocytes of Mice. Mol Nutr Food Res. 2018 Aug;62(15):e1800029.
[xiii] Costa J, Mafra I. Rosaceae food allergy: a review. Crit Rev Food Sci Nutr. 2023;63(25):7423-7460. doi: 10.1080/10408398.2022.2045897. Epub 2022 Mar 3. PMID: 35238686.
[xiv] Rababa'h AM, Altarabsheh SE, Haddad O, Deo SV, Obeidat Y, Al-Azzam S. Hawthorn Herb Increases the Risk of Bleeding after Cardiac Surgery: An Evidence-Based Approach. Heart Surg Forum. 2016 Aug 22;19(4):E175-9
[xv] Posadzki P, Watson LK, Ernst E. Adverse effects of herbal medicines: an overview of systematic reviews. Clin Med (Lond). 2013;13(1):7-12. doi:10.7861/clinmedicine.13-1-7
[xvi] Alexa Cloud, Dwan Vilcins, Bradley McEwen, The effect of hawthorn (Crataegus spp.) on blood pressure: A systematic review, Advances in Integrative Medicine, Volume 7, Issue 3, 2020, Pages 167-175.
[xvii] Abukhodair AW, Abukhudair W, Alqarni MS. The Effects of L-Arginine in Hypertensive Patients: A Literature Review. Cureus. 2021 Dec 17;13(12):e20485.
[xviii] Ho MJ, Li EC, Wright JM. Blood pressure lowering efficacy of coenzyme Q10 for primary hypertension. Cochrane Database Syst Rev. 2016 Mar 3;3(3):CD007435
[xix] Rigelsky JM, Sweet BV. Hawthorn: pharmacology and therapeutic uses. Am J Health Syst Pharm. 2002 Mar 1;59(5):417-22. doi: 10.1093/ajhp/59.5.417. PMID: 11887407.
[xx] National Center for Complementary and Integrative Health. Available at: https://www.nccih.nih.gov/heal...
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