D-galactose imagwiritsidwa ntchito kwambiri m'makampani opanga mankhwala, zakudya ndi zodzikongoletsera.M'makampani opanga mankhwala, amagwiritsidwa ntchito ngati chothandizira pakupanga mitundu yosiyanasiyana yamankhwala komanso ngati chophatikizira mu media media.Amadziwika kuti amatha kupititsa patsogolo kukhazikika komanso kukonza kusungunuka kwazinthu zopangira mankhwala.Kuphatikiza apo, D-galactose imagwiritsidwa ntchito m'ma laboratories ofufuza kuti aphunzire kakulidwe ka cell, metabolism, ndi glycosylation process.
M'makampani azakudya, D-galactose imatha kugwiritsidwa ntchito ngati chokometsera chachilengedwe komanso chowonjezera kukoma.Amagwiritsidwa ntchito popanga confectionery, zakumwa ndi mkaka.Kutsekemera kwake kwapadera, kuphatikizidwa ndi zopatsa mphamvu zochepa zama calorie, kumapangitsa kukhala cholowa m'malo mwa iwo omwe akusowa shuga.Kuphatikiza apo, D-galactose yapezeka kuti ili ndi prebiotic properties zomwe zimalimbikitsa kukula kwa mabakiteriya opindulitsa am'mimba komanso kuthandizira kugaya chakudya.