Specially-selected cut spinach leaves. Fresh frozen select vegetables. All natural, no preservatives. Did you know? Long before Popeye discovered instant strength, the rest of n the world was enjoying these delicious and versatile leafy greens. Popular belief is that spinach came to Europe in the 15th century by way of Persia, and in India it is called China flower. Birds Eye Spinach is fresh frozen to seal in all its natural goodness. Each one-cup serving provides 50% of the recommended daily value of Vitamin A.