CALIMACIL F is produced in the form of powder or white crystals. Feed additive CALIMACIL F regulates the pH in the digestive tract of birds and pigs, stimulates the production of enzymes, Organic acids included in the composition of CALMACIL F, stops the growth of pathogenic bacteria Salmonella, E-coli, Campylobacter, Clostridium, Pseudomonas and fungi, prevents oxidation of fats and suppresses putrefactive processes in feed raw materials. Without adverse effects on the cells of lactic acid bacteria. CALIMACIL F is non-GMO, retains its useful properties after heat treatment of feed.