Lek Veterina NutriSel is a vitamin-amino acid supplement for effective overcoming of stress for all species and categories of animals. In optimal conditions basic ration supplemented with mineral compound feed is good enough to satisfy all physiological needs of animals for healthy development, growth and production. As soon as optimal conditions change, animals need extra care to restore balance in their organism. Changes can be made in feed, box, transport, vaccination or climate. All of these changes cause stress in animals which could lead to ineffective production, in worst case death. Changes in cattle are often connected to physiological state of the animal in its life circle, eg. firs conception, calving, milk production, feed change, etc. For effective overcoming of stress we have a nutraceutical for all species and categories of animals.