The present invention provides a method of improving the absorbability of reduced coenzyme Q 10 , which includes affording a composition containing lysolecithin and reduced coenzyme Q 10 in combination. The composition containing lysolecithin and reduced coenzyme Q 10 of the present invention shows superior absorption of reduced coenzyme Q 10 and can be utilized for food, food with nutrient function, food for specified health uses, nutritional supplement, nutritional product, animal drug, beverage, feed, pet food, cosmetics, pharmaceutical product, therapeutic drug, preventive drug and the like.
