But superfruits or superfoods do not really exist -- every fruit or vegetable is a superfruit or supervegetable because they all provide us with different nutrients.
Likewise, most terrestrial plants soak up the sodium ions and sodium chloride from salt much faster than they can absorb essential nutrients such as potassium, calcium and magnesium.
It is almost lacking in chlorophyll and therefore is unable to photosynthesise as most plants do; instead it gains sugars and nutrients from mycorrhizal fungi.