The truth about spinach is the bitter green is downright great for you. Loads of iron, calcium, vitamin K (hard to come by in the winter), folate (for healthy babies) and to top it all off omega-3 fatty acids. This you may know. But what isn’t common knowledge is the ingredient you need to eat with spinach in order to unlock its full nutritional potential. And I doubt Popeye was getting any of the sort out of those cans.
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