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Potassium
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[[File:Potassium-gluconate.png|alt=diagram of chemical structure|thumb|Chemical structure of potassium gluconate.]] '''Potassium''' is both a chemical element and a [[mineral]] essential to the human body. Potassium is important for [[nervous system|nerve]] and [[muscle]] function, and especially important for the [[heart]].<ref name="webmd">{{Cite web | title = Potassium Supplements: Benefits, Potassium Deficiency, Dosage and More|access-date = 2021-02-27 | website = WebMD|url=https://www.webmd.com/diet/ss/slideshow-vitamin-potassium}}</ref><ref name="drugscom" /> ===Potassium ion=== Potassium ions, {{chem2|K+}}, are important in conducting signals between cells. Potassium is an [[electrolyte]]. ==Deficiency== [[File:Bananas.jpg|thumb|Bananas are well known as a good source of potassium. Image: [https://pixabay.com/photos/banana-pair-bananas-herbaceous-2710205/ Pixabay]. License: Pixabay open license. ]] The average person needs about 4,700mg of potassium per day.<ref name="webmd" /> Low levels of potassium have been linked to a number of health problems including [[hypertension|high blood pressure]], heart disease, stroke, [[arthritis]], cancer, [[digestive problems|digestive disorders]], and others.<ref name="webmd-supp">{{Cite web | title = Potassium Supplements: Benefits, Potassium Deficiency, Dosage and More|access-date = 2021-02-27 | website = WebMD|url=https://www.webmd.com/diet/supplement-guide-potassium}}</ref> A condition called [[hypokalemic periodic paralysis]] causes levels of potassium to drop too low, causing a temporary full or partial paralysis. ==Theory== ==Evidence== == Risks and safety == Excessive amounts of potassium on the blood can cause hyperkalemia, and even death.<ref name="drugscom">{{Cite web|url=https://www.drugs.com/cg/hyperkalemia.html | title = Hyperkalemia - What You Need to Know|website=Drugs.com|language=en|access-date=2021-02-27}}</ref> Potassium can also interact with many other drugs.<ref name="drugscom" /> ==Costs and availability == Potassium is available over the counter in the form of tablets or capsules, liquid, or soluble powder. It is a main ingredient in oral rehydration solutions, which was commonly used to treat dehydration. Potassium is also available for IV administration. ==Foods== Potassium is also found in many foods, including bananas, avocados, almonds, peanuts, citrus fruits and, green leafy vegetables.<ref name="webmd-supp" /> ==Learn more== *[https://www.webmd.com/diet/ss/slideshow-vitamin-potassium Potassium Supplements: Benefits, Potassium Deficiency, Dosage and More] - WebMD *[https://www.drugs.com/cg/hyperkalemia.html Hyperkalemia] - drugs.com *[http://lpi.oregonstate.edu/mic/minerals/potassium Linus Pauling Institute Micronutrient Information Center β Potassium] == See also == * [[Electrolyte]] * [[Ion transportation]] * [[Sodium]] * [[Calcium]] * [[Hypokalemic periodic paralysis]] ==References== {{Reflist}} [[Category:Nutrients]] [[Category:Minerals]] [[Category:Chemical elements]] [[Category:Supplements]] [[Category:Electrolytes]] [[Category:Potential treatments]]
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