Offering an outdoor pool and a restaurant, Eco-hotel Isla del Sol is located on Isla Grande Island in the Rosario Islands archipelago.
Many vegetables are on the high oxalate list. Leafy green vegetables such as collards, dandelion greens, mustard greens and beet greens contain oxalate. Additional vegetables to avoid on the low oxalate diet include potatoes, sweet potatoes, green olives, yellow squash, green peppers, okra and beets.
1 Calcium stones. 2  Most kidney stones are calcium stones, usually in the form of calcium oxalate. 3  Oxalate is a naturally occurring substance found in food. 4  Some fruits and vegetables, as well as nuts and chocolate, have high oxalate levels. Most kidney stones are calcium stones, usually in the form of calcium oxalate. 2  Oxalate is a naturally occurring substance found in food. 3  Some fruits and vegetables, as well as nuts and chocolate, have high oxalate levels.