But does the wine in the diet make you fat? What do we know about its glycemic index? And what about the fructose contained in grapes? Is there a difference between red and white wine for dieters? And between still and sparkling wine? Well, if some of these questions seem easy to answer , I, who have the honor of informing myself and knowing enough, have had to read research and in-depth articles even for something apparently so easy. First of all, as those who know the glycemic index know, wine is a controversial food: according to Montignac, its glycemic index was irrelevant; according to the most updated tables, its glycemic index is medium-low (from 40 to 30).

This index is due to the presence of residual sugars that have not converted into alcohol. Therefore, everyone can drink a glass of red wine (or 150 ml, about a hundred calories), even those who have to stay on a diet. However, due to the presence of residual sugars and alcohol, there is no need to overdo it. Alcohol inhibits the metabolism, slowing it down. Are all the wines the same? Absolutely not. To stay in line and be on the safe side, you need to prefer dry to fruity, because it has lower residual sugars: only in some cases the percentage of sugars is certified by the label. The rule of taste applies: if it seems too sweet, the percentage of sugars in the fruit is higher.
A separate discussion is for sparkling wines: it seems that they have a higher concentration of added sugars, and therefore are almost categorically to be avoided if we want to dispose of a few pounds.