Röhnfried Atemfrei Upper Respiratory Supporter 500 ml Frees the airways Strengthens the immune response Pure, natural plant oils Atemfrei (breathes freely) is a herbal elixir containing various plant oils such as licorice, thyme, anise, fennel, mint. ; These oils stimulate the metabolism in the respiratory tract and support the immune response. ; Increases the vitality of pigeons, canaries and budgies etc. ; The aromatic aroma of the highest quality plant oils supports the physiological functions of the respiratory tract with added vitamin C and zinc. ; Feeding Recommendations Atemfrei can be added to drinking water or feed: 10 ml per 1 litre of drinking water 15 ml per 1 kg of feed;