A. Vogel Echinaforce Echinacea 120 Tablets is a herbal remedy with fresh plant extracts that helps to prevent and treat colds, flu and other respiratory tract infections, as well as sore throats and mild lower urinary tract conditions. It's also been known to boost your immune system, helping to keep those colds at bay.. a herbal remedy with fresh plant extracts that helps to prevent and treat colds, flu and other respiratory tract infections, as well as sore throats and mild lower urinary tract conditions.