A nutritious leafy green, spinach is a good supplement to any diet. Some people should avoid spinach or use caution. ย
People who have kidney stones or a history of kidney trouble caused by oxalate should eat less spinach. ย
Oxalates in spinach can bind to calcium and form crystals, causing kidney stones in susceptible people.ย
Patients with chronic kidney disease (CKD) or those undergoing dialysis may need to restrict their consumption of spinach.ย
The potassium in this leafy green can be problematic for people with weak kidney function, who struggle to excrete excess potassium.
For people who take blood thinners like warfarin, talking to their doctor before eating a lot of spinach is recommended. ย
Spinach is high in vitamin K, which can interfere with the effectiveness of these medications by promoting blood clotting.
Spinach should be limited for infants and toddlers. Spinach is full of nutrients, but nitrates can disrupt infants' oxygen transfer, causing methemoglobinemia or "blue baby syndrome."ย
Spinach is a healthy supplement to most diets, but people with certain health concerns or on particular drugs should see their doctors before eating it.ย