Provided is a green tea extract composition, comprising the following components (A), (B), (C), and (D): (A) non-polymer catechins (B) a sugar (C) iron and (D) caffeine, the green tea extract composition having: a content of the non-polymer catechins (A) of from 25 to 45 mass % a content of the sugar (B) of from 6 to 13 mass % a mass ratio between the sugar (B) and the iron (C), [(C)/(B)], of from 0.000005 to 0.00016 a mass ratio between the sugar (B) and the caffeine (D), [(D)/(B)], of from 0.2 to 0.7 and a water content of 10 mass % or less.