Food supplement based on sambucus nigra, propolis and echinacea. Instructions for use: First three days: Take 2 capsules eight in eight hours, with half a glass of water.\ Next four days: Take 1 capsule eight in eight hours, with half a glass of water.\ To prevent the appearance: Take 1 capsule twice a day, preferably without meals, for 20 days. Stop for 10 to 15 days to take again.