<;P>;PROBLEM TO BE SOLVED: To obtain a composition for an oral administration for fatigue prevention, having realization of sufficient fatigue prevention effect (nutritional fortification effect) on human and a preparation for an oral administration for fatigue prevention comprising the same. <;P>;SOLUTION: The composition for an oral administration for fatigue prevention synergistically increases fatigue prevention effects (nutritional fortification effects) of both black garlic and Ginseng radix by using black garlic produced by fermenting raw garlic and Ginseng radix. <;P>;COPYRIGHT: (C)2008,JPO&INPIT