Abstract: The present invention relates to the use of at least one lipoic acid, of a physiologically acceptable derivative or salt thereof; and of at least one glutamine, of a physiologically acceptable derivative or salt thereof, for nutritional supplementation, in functional foods and for therapeutic purposes, namely in particular for the treatment of particular disorders associated with a glutathione deficiency. Also described are compositions having a corresponding active ingredient combination, and compositions in the form of commercial packs with corresponding combination products or single-component products for combined use.

Abstract: Food, feed or drug preparations are described that contain conjugated trans/cis-octadecatrienoic acid, and processes are described for their production. Inventive preparations preferably comprise calendic acid. The invention also relates to the use of the preparations to reduce food intake in humans and animals and to improve food utilization.