Most people are already familiar with iced tea as a friend for lunch. But beware, if the majority can be harmful to the kidneys.
"That's because oksalatnya. If we have the talent stones (kidney), may worsen. But there is no limit because not much research, "said Dr. Parlindungan Siregar, SpPD-KGH from the Kidney and Hypertension, Department of Medicine Faculty of medicine-RSCM, Wednesday (13/03/2013).
One study found that iced tea contains oxalate which can trigger the formation of kidney stones. In fact not only can trigger oxalate kidney stones, but calcium and uric acid, too. Oxalate accused of triggering the formation of tiny crystals made ​​of minerals and salts.
Actually, not only are a lot of iced tea contains oxalate. Some foods such as spinach, beets, star fruit, black pepper, chocolate, nuts, strawberries and blueberries are also known to have a high oxalate content.
For patients who have kidney stones or kidney stones, caffeinated beverages should be avoided. Caffeine is a diuretic is a substance or trigger urination. If there is excessive discharge, the tendency of formation of kidney stones will be greater.
"If you've ever had kidney stones, be diligent to drink water or fruit juice, but do not consume tea, coffee or other caffeinated beverages. This is because caffeine can trigger excessive discharge from the body thereby stimulating the accumulation of rocks, "said Leona Victoria Djajadi MND, Nutritionist from the University of Sydney.
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