How Much Sugar Is in a Tanqueray and Tonic?
                                
                                
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                                    4 min read                                
                            
                                According to the USDA, a standard 12-ounce serving of regular tonic water contains about 32 grams of sugar. This means that nearly all the sugar in a Tanqueray and Tonic comes from the mixer, since pure gin contains virtually no sugar.