 And it is very hot. But I am telling you, I don't think anything bad could live near you if you drink that. Richard sells elderberry syrup, which has gained mainstream popularity for warding off flu and colds. Some medical research seems to show it can strengthen immune response and shorten illness. She puts the word out to friends on Facebook when she cooks a batch from dried berries ordered online. Richard says herbal remedies are part of a holistic approach to health.