One of the best ways to fight the symptoms of the common cold, sinusitis and hay fever! Elderflower has antibacterial and antiviral properties, may also help alleviate some allergies and boost the functioning of the immune system. Elderflower also reduces blood sugar levels. Rich in bioflavonoids, especially quercetin, providing anti-inflammatory properties. All these benefits in a pleasantly warming tea. Pour one cup of boiling water into two teaspoons of dried flower. Leave to infuse for five minutes. Drink up to one cup three times per day.