Question: how much sugar is in a bottle of buckfast

title: Buckfast Tonic Wine
text: Buckfast Tonic Wine ( green bottle ) Sold in the United Kingdom . Red wine based aperitif , 15 % v / v . Sodium glycerophosphate , an emulsifier . Dipotassium phosphate , a protein stabiliser Disodium phosphate , a stabiliser and emulsifier . Caffeine , 30 mg / 100ml ( i.e. 0.0375 % w / v ) Vanillin Buckfast Tonic Wine ( brown bottle ) Sold exclusively within the Republic of Ireland . Red wine , 14.8 % alcohol Sodium and potassium glycerophosphates -- both measured at 0.65 % w / v Disodium phosphate Caffeine -- 52 mg / 100 ml ( i.e. 0.055 % w / v ) Sulphite preservatives