The Grocer's journalists are terrifically resilient types (they have to be to get this beast out) and so are rarely troubled by the nasal lurgy. However, a product that promises to keep colds at bay is always going to be a useful one. Whenever a member of the team has felt the first hints of approaching nasopharyngitis (look it up!) and has reached for this - the threatened cold has failed to materialise. Be warned, we are supposed to be in for a long hard winter this year. We are stocking up now.