During flights ,pigeons need more vitamins, especially vitamins B. Due to severe tension, they also need more vitamin C, E and selenium. Dolvit Loty is a great formula with 14 vitamins, easy-to-absorb mineral compounds (micro- and macronutrients) and essential amino acids. Herbs are added to improve functioning of digestive tract, product contains also vitamins B. Effect is even better when GlukoVit is applied at the same time.