Pour simmering water over the cut root and leave to infuse covered for about ten minutes before straining. Traditionally drunk in the evening, about thirty minutes before bedtime. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The root is macerated in alcohol for several weeks then strained. This concentrated form requires the advice of a professional to determine the appropriate dosage. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The root is brought to a gentle boil for a few minutes in water, then left to infuse covered before straining. A healthcare professional can advise on the frequency appropriate for each situation. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Dried root is commonly found in herbal shops and pharmacies in the form of bulk, capsules or tincture; the plant can also be cultivated in a cool, shaded garden.
The root is traditionally harvested in autumn, from plants at least two years old, once the aerial parts have wilted.