Psyllium (/ˈsɪliəm/), or ispaghula (/ˌɪspəˈɡuːlə/), is the common name used for several members of the plant genus Plantago whose seeds are used commercially for the production of mucilage. Psyllium is mainly used as a dietary fiber to relieve symptoms of both constipation and mild diarrhea, and occasionally as a food thickener.[1] Allergy to psyllium is common in workers frequently exposed to the substance.
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^Khan K, Jovanovski E, Ho H, et al. (2018). "The effect of viscous soluble fiber on blood pressure: A systematic review and meta-analysis of randomized controlled trials". Nutrition, Metabolism and Cardiovascular Diseases. 28 (1): 3–13. doi:10.1016/j.numecd.2017.09.007. ISSN0939-4753. PMID29153856.