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. In addition to a combination of chia seeds and maca, the composition, the food and the like may comprise optionally germanium, selenium or dietary zinc, and they are useful for the potentiation of sexual, gastrointestinal or hepatic functions, which leads to an improvement in weight loss, fatigue resistance, endurance, blood circulation, blood cholesterol level, anti-inflammation, immunity, sex hormone release, skin care, hangover cure, nicotine removal, breath care, body smell, invigoration and sterility.
