Spinach is one kind of vegetables of lower in calories but contain varying amounts of fiber, vitamin K, vitamin C, and several other micronutrients.
Spinach contains several kinds of important plant source compounds, including Lutein, Kaempferol, Nitrates, Quercetin, Zeaxanthin etc. Those would be good on eye health, also may decrease your risk of cancer, and may promote heart health.
Carotenoids, chlorophylls, betalains and anthocyanins from natural sources have gained popularity due to the benefits to the health of consumers and their multiple uses in the food and other industries. Specifically in the food industry, these pigments are used or could be used as food colorants. Spinach juice powder as a leafy, green powder, which is one good source of natural pigment.