An herbal infusion that has been used for centuries, elderflower is traditionally used to boost the immune system, making it a particularly usefully combatant against colds, flu, and fevers. Yarrow is often combined with elderflower to strengthen the flu-fighting effects. It is also said that drinking elderflower tea early in the spring can help reduce the symptoms of hay fever later in the year. Our elderflower tea is ethically sourced from the very best suppliers worldwide.