Nasturtium plants were introduced into Spain in the 17th century, called Indian Cress and promoted as a vegetable and medicine, the leaves and flowers are the main parts used.
Nasturtium is quite a powerful antimicrobial, is very beneficial for bacterial infections and is especially indicated internally for respiratory infections such as bronchitis, influenza and the common cold. The plant is most effective when fresh leaves are used to make a tea. Simply pour a cup of ‘off the boil’ water onto 1 to 2 teaspoons of fresh leaves, let it infuse for 10 to 15 minutes. As a remedy, this tea should be drunk 3 times a day, made immediately before drinking and using fresh leaves each time.