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Published on: 9/14/2026
Most adults can safely eat about 2 to 3 whole cloves per day, though tolerance varies based on body weight, medications, and existing health conditions. Larger amounts, and especially concentrated clove oil, can raise the risk of bleeding, low blood sugar, liver irritation, and mouth or stomach discomfort due to high eugenol content. People taking blood thinners or diabetes medication, along with pregnant women and children, should use far more caution, and there are several important factors to consider below before adding cloves to a daily routine. Because symptoms like nausea, dizziness, unusual bruising, or stomach pain can signal either too much clove or an unrelated condition, it helps to get clarity fast rather than guess. Take a free, instant, online symptom check to better understand what your body is telling you and what sensible next steps look like.
Last reviewed for medical accuracy: 09/14/2026
Cloves are aromatic flower buds used around the world for their warming, spicy flavor and potential health perks. The term cloves benefits covers a range of effects—from antioxidant support to digestive ease. Yet, like any potent herb, you’ll want to keep your daily intake within safe limits.
Below, we’ll cover:
Cloves (Syzygium aromaticum) pack a punch thanks to a volatile oil called eugenol, which gives them their signature aroma and much of their therapeutic profile. Some of the most-cited benefits include:
While these benefits are promising, more high-quality human studies are needed to confirm ideal doses and long-term safety.
Many reputable sources agree that moderation is key. Cloves are potent—eat too many, and you could experience unwanted effects.
Whole cloves
Clove powder
Clove oil
Cloves boast a strong safety profile when used sensibly. Still, a few considerations:
Here are practical ideas to tap into cloves benefits without overdoing it:
Most people tolerate 2–5 grams of cloves per day without issues. But if you notice any new or worsening symptoms—especially allergic signs, persistent stomach pain or unusual bleeding—don’t hesitate to get expert input.
You might also consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. It takes only minutes and can help you decide whether you need to see a healthcare professional:
free, online symptom check, using the doctor approved Ubie Symptom Checker
Cloves can be a flavorful way to enjoy antioxidants, support digestion and freshen breath—all part of the wider cloves benefits story. To recap:
Always listen to your body. If you’re pregnant, breastfeeding, taking blood thinners or have liver concerns, check in with your healthcare provider before making cloves a daily habit.
And remember: nothing replaces personalized medical advice. For any life-threatening or serious symptoms—chest pain, severe allergic reaction, high fever or uncontrolled bleeding—seek immediate emergency care. For non-urgent questions, speak to your doctor and consider that quick free, online symptom check, using the doctor approved Ubie Symptom Checker to help guide your next steps.
Stay curious, stay safe—and enjoy those cloves in moderation!
(References)
* Sanae F, Kamiyama O, Ikeda-Obatake K, Higashi Y, Asano N, Adachi I, Kato A. Effects of eugenol-reduced clove extract on glycogen phosphorylase b and the development of diabetes in db/db mice. Food Funct. 2014 Feb;5(2):214-9. doi: 10.1039/c3fo60514k. PMID: 24336787.
* Ibrahim IM, Elsaie ML, Almohsen AM, Mohey-Eddin MH. Effectiveness of topical clove oil on symptomatic treatment of chronic pruritus. J Cosmet Dermatol. 2017 Dec;16(4):508-511. doi: 10.1111/jocd.12342. Epub 2017 Apr 5. PMID: 28382655.
* Chniguir A, Zioud F, Marzaioli V, El-Benna J, Bachoual R. Syzygium aromaticum aqueous extract inhibits human neutrophils myeloperoxidase and protects mice from LPS-induced lung inflammation. Pharm Biol. 2019 Dec;57(1):56-64. doi: 10.1080/13880209.2018.1557697. PMID: 30707845; PMCID: PMC6366422.
* Yassin MT, Mostafa AA, Al-Askar AA. In vitro anticandidal potency of Syzygium aromaticum (clove) extracts against vaginal candidiasis. BMC Complement Med Ther. 2020 Jan 30;20(1):25. doi: 10.1186/s12906-020-2818-8. Epub 2020 Jan 30. PMID: 32020877; PMCID: PMC7076834.
* Ogawa K, Honda M, Tanigawa A, Hatase A, Ito A, Higa Y, Morinaga O. Appetite-enhancing effects of inhaling cinnamon, clove, and fennel essential oils containing phenylpropanoid analogues. J Nat Med. 2020 Sep;74(4):710-721. doi: 10.1007/s11418-020-01423-8. Epub 2020 Jun 15. PMID: 32556946.
* Mohammadi F. Effect of different levels of clove (Syzygium aromaticum L.) essential oil on growth performance and oxidative/nitrosative stress biomarkers in broilers under heat stress. Trop Anim Health Prod. 2021 Jan 7;53(1):84. doi: 10.1007/s11250-020-02517-x. Epub 2021 Jan 7. PMID: 33411054.
* Ulanowska M, Olas B. Biological Properties and Prospects for the Application of Eugenol-A Review. Int J Mol Sci. 2021 Apr 1;22(7). doi: 10.3390/ijms22073671. Epub 2021 Apr 1. PMID: 33916044; PMCID: PMC8036490.
* Ribeiro-Silva CM, Faustino-Rocha AI, Gil da Costa RM, Medeiros R, Pires MJ, Gaivão I, Gama A, Neuparth MJ, Barbosa JV, Peixoto F, Magalhães FD, Bastos MMSM, Oliveira PA. Pulegone and Eugenol Oral Supplementation in Laboratory Animals: Results from Acute and Chronic Studies. Biomedicines. 2022 Oct 17;10(10). doi: 10.3390/biomedicines10102595. Epub 2022 Oct 17. PMID: 36289857; PMCID: PMC9599722.
* Afrendi E, Prastya ME, Astuti RI, Wahyuni WT, Batubara I. Bioactivity of the Ethanol Extract of Clove (Syzygium aromaticum) as Antitoxin. Int J Food Sci. 2023;2023:3245210. doi: 10.1155/2023/3245210. Epub 2023 Sep 21. PMID: 37780095; PMCID: PMC10539087.
* Alembagheri A, Hajimehdipoor H, Khoramjouy M, Esmaeili S, Faizi M. Antifatigue Effects of the Aqueous Extracts of Myrtle Berries, Apple and Clove: An Animal Study. Iran J Pharm Res. 2023 Jan-Dec;22(1):e140323. doi: 10.5812/ijpr-140323. Epub 2023 Nov 11. PMID: 38444713; PMCID: PMC10912872.
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