Abstract: Disclosed are a composition comprising chia seeds and maca, a dietary supplement or food additive, a feed and a pharmaceutical composition, all being based on the composition, and a method for preparing the dietary supplement, feed or pharmaceutical composition. The dietary supplement or food additive, the feed or feed additive, and the pharmaceutical composition exhibit can bring about excellent improvement in weight loss, sexual, gastrointestinal or hepatic function, male sex hormone release and endurance.