Provided is a growth supplement for efficient production of agricultural and livestock products, more specifically, a growth supplement for environment-friendly crop cultivation and livestock rearing to increase yields of crops and livestock, which is prepared by mixing specific amounts of antibiotic fruit juices, one or more sources of sugar, one or more sources of hydrogen carbonate, one or more sources of chloride ion and antifebrile vegetable juices depending on crops (species) and cultivation (livestock) conditions to feed the livestock or crops. The growth supplement is prepared by admixing and stirring antibiotic fruit juices in an amount of 2 to 10 parts by weight; the source of hydrogen carbonates in an amount of 1 to 4 parts by weight; the source of chloride ion in an amount of 1 to 4 parts by weight; and antifebrile vegetable juices in an amount of 2 to 8 parts by weight, based on 100 parts by the source of sugar.