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Citric acid protects against kidney stones by making your urine less favorable for the formation of stones ( 23). Walker AF, Marakis G, Christie S, Byng M. Mg citrate found more bioavailable than other Mg preparations in a randomised, double-blind study. Magnes Res. 2003;16(3):183-191. It’s added to medicines to help stabilize and preserve the active ingredients and used to enhance or mask the taste of chewable and syrup-based medications ( 6).
For example, calcium citrate doesn’t require stomach acid for absorption. It also has fewer side effects — such as gas, bloating, or constipation — than another form called calcium carbonate ( 15, 16).Beverages or food products that contain these fruits — such as ketchup in the case of tomatoes — also contain citric acid. Citric acid — in the form of potassium citrate — prevents new kidney stone formation and breaks apart those already formed ( 20, 21, 22). Similarly, magnesium in the citrate form is absorbed more completely and more bioavailable than magnesium oxide and magnesium sulfate ( 17, 18, 19). May protect against kidney stones Cairns TC, Nai C, Meyer V. How a fungus shapes biotechnology: 100 years of Aspergillus niger research. Fungal Biology and Biotechnology. 2018;5(1):13. doi:10.1186/s40694-018-0054-5 Tang SC, Yang JH. Dual effects of alpha-hydroxy acids on the skin. Molecules. 2018;23(4):863. doi:10.3390/molecules23040863
Citric acid enhances the bioavailability of minerals, allowing your body to better absorb them ( 12, 13, 14). Ciriminna R, Meneguzzo F, Delisi R, Pagliaro M. Citric acid: emerging applications of key biotechnology industrial product. Chemistry Central Journal. 2017;11(1):22. doi:10.1186/s13065-017-0251-y Mineral supplements, such as magnesium and calcium, may also contain citric acid (in the form of citrate) to enhance absorption. Disinfecting and cleaning Martin Lewis: What the Autumn Statement means for you – including wages, benefits, pensions, ISAs, housing, national insurance and moreCitrate — a closely related molecule of citric acid — is the first molecule that forms during a process called the citric acid cycle. Citric acid is commercially sold as a general disinfectant and cleaning agent for removing soap scum, hard water stains, lime, and rust. It’s viewed as a safer alternative to conventional disinfectant and cleaning products, such as quat and chlorine bleach ( 1). Summary