Taking a smoothie is a great way to start the day. Smoothies give a healthy dose of antioxidants, vitamins, and minerals, positively improving your health. However, adding certain ingredients in higher proportions can provide minerals and other compounds in quantities exceeding the daily recommended intake, overworking the kidneys and affecting their health.
People taking green smoothies have a higher risk of developing kidney stones. The most common ingredients for making these smoothies, such as spinach, fresh parsley, watercress, Swiss chard, purslane, rhubarb, and kale, have relatively high levels of dietary oxalate.
Oxalates are naturally occurring compounds in specific foods. The body usually excretes them via the kidneys and in the urine. It also eliminates a proportion of these plant-based substances in feces when they combine with calcium in the stomach to form calcium oxalates.
Taking foods rich in oxalates without adequate calcium levels significantly increases your risk of developing
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