Watercress
Nasturtium officinale
A peppery, nutrient-dense green used as a 'spring tonic,' for congestion, and as a rich source of vitamins.
Traditional use (european-folk, household): A peppery, nutrient-dense green used as a 'spring tonic,' for congestion, and as a rich source of vitamins.
A peppery, nutrient-dense green used as a 'spring tonic,' for congestion, and as a rich source of vitamins.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A peppery, nutrient-dense green used as a 'spring tonic,' for congestion, and as a rich source of vitamins.
Evidence strength: limited human.
- See the evidence level above
- Large medicinal amounts can irritate; can interact with warfarin (vitamin K).
- Pregnant/breastfeeding people without medical advice
Large medicinal amounts can irritate; can interact with warfarin (vitamin K).
May interact with prescription medications — review with a clinician if you take any.
Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.
Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.