Jujube with Walnut Manufacturer Jujube is sweet with nice taste with function of invigorating spleen qi, nourishing blood and calming nerves, it can also Ease anemia and Boredom insomnia. Jujube also contains plenty of vitamins and carbohydrate, it’s not good to eat too much per day. Walnut can nourish qi and blood, tonifying kidney and solid essence, runzao phlegm, but walnut fat content is high, not suitable for eating too much every day either.