Follow a food into your body, one nutrient at a time.
Pick spinach, tap iron, and see the established job iron does and where it does it.
Values come from USDA FoodData Central. Missing data is shown as missing, never as zero.
About 99% of your calcium sits in bone. B12 is absorbed at the very end of the small intestine.
Two foods side by side across 14 nutrients. No scores, just what each contains.
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