BioGaia acquires 80% stake in Nutraceutics Corp 06-Jan-2022 By Nicola Gordon-Seymour Swedish probiotic brand, BioGaia has bought a majority stake in Nutraceutics Corporation through a share acquisition valued at €8.6m (SEK8.9m) a new share issue of €4.4m (SEK45.4m) and plan to complete a full takeover within seven years.