Supernova yellow onions contain many valuable minerals such as copper and zinc, potassium, sodium, calcium, phosphorus, magnesium, iron. It has vitamins: B1, B2, B3, B5, B6, C, biotin and folic acid.
Records show the medicinal use of our species of onion.
This onion is as valuable as a whole pharmacy.
Research has proven that our onions prevent the esophagus, stomach, colon, and lungs from a tumor.
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