Provided are a beverage having an effectively improved aroma, an additive composition, and methods for those. A beverage according to one embodiment of the present invention includes: 4-methyl-4-sulfanylpentan-2-one (4MSP)； and 3-sulfanyl-4-methylpentan-1-ol (3S4MP), in which a content of the 3S4MP is 200 ppt or more and 4,100 ppt or less, and in which a ratio of a content of the 4MSP to the content of the 3S4MP (4MSP/3S4MP value) is 0.2% or more and 2.5% or less.
