Agro-industrial by-products can play an important role in the animal feeding, being an alternative to conventional raw materials. These two wastes can be considered as important sources of bioactive compounds that can be used in animal feed with multiple benefits for animal health. This study has investigated the anti-inflammatory and anti-oxidant in vitro capacity of grape seed and sea buckthorn meals, as waste resulted from the oil industry in order to be used in swine nutrition. The