Like all members of the Brassica family, this plant contains goitrogens, which can interfere with the body's ability to absorb iodine, so feed in moderation only. It is a frost-hardy plant and so could be a useful small addition to the diet in winter, when other plants are scarce.
Do not confuse with other plants that have similar common names such as Rocket and Bittercress, which are related, but are different plants.
Please be aware that two or more
goitrogenic plants should not be fed in conjunction with each other, and
the sum total of goitrogenic foods should not exceed the guideline for a
single plant of 'in moderation' (amber-green) or 'sparingly'
(amber-red). This will ensure that goitrogenic consumption stays within