To provide a composition having the function to prevent aging and provide cosmetics, beverages and foods containing the composition.

(1) Soy bean extract, Igusa rush (Juncus) extract and krillbritt extract is used as essential component, (2) Kusunohagasiwa (Mallotus philippinensis Mueller-Argoviensis) extract is added, (3) preferably, extracts selected from Aloe vera, Momordicagrosvenorii, Eucommia ulmoides, Lepidiummee yenii, Avena sativa, Gentianella alborocea, Hibiscus sabdariffa, Anethum grveolens, Calendula officinalis, Euphoria longana, Foeniculum vulgare, Thea sinensis, Mentha pulegium, Urtrca thunbergiana, Areca catechu, Fagopyrum tartaricum, Unearia gambir and Terminalia arjuna, are added, (4) and further preferably these extracts are fermented with Bacillus natto and an extract is obtained from the fermentation mixture and is used as an anti-aging agent. The cosmetics, beverages and foods contain the anti-aging agent.