is native to central and western Asia.

In winter,
it is big difficult to buy fresh spinach in a shop. Although it happens that we buy imported one. However, we should definitely resign from buying this sort of imported spinach. The Environmental Working Group carried out the research on the properties of vegetables. They proved that spinach is vegetable which is one of the most contaminated with pesticides.

frozen spinach
which were tested proved content of cadmium. Cadmium is chemical element which can damage the kidneys and contributes to the formation of anaemia and osteoporosis. Caution with eating spinach should be also preserved, because it contains oxalates, which is responsible for bind and inhibit calcium which is absorbed to your body.