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Not all reds are carb-equal. A dry Cabernet Sauvignon? About 3.5 grams per glass. Merlot? Same. Pinot Noir? Slightly lower, around 3.2 grams. But then you have Zinfandel—the party grape. Zinfandel can hit 4.5 grams because it’s often made from riper, sweeter grapes. It’s the wine equivalent of that friend who brings dessert to a potluck and calls it dinner.
And for the love of all that is holy, avoid “sweet” red wines like port, Lambrusco, or anything labeled “off-dry.” Those can have 10 to 20 grams of carbs per glass. That’s basically a slice of cake in a glass. You might as well pour maple syrup over your salad and call it health food.
Alcohol Carbs and Calories in 10 popular drinks | Video
The “But I’m on Keto” Exception
If you’re doing keto, yes, you can have a glass of dry red wine. But—and it’s a big, dramatic, theatrical but—your body will pause fat burning to process the alcohol first. It’s like your metabolism is a film editor who stops editing the movie to go make popcorn. The popcorn is the wine. The movie is your waistline.
That said, a single glass of red wine (3.5g carbs) fits into most keto macros as long as you don’t pair it with a bowl of pasta. If you do, the carbs from the pasta plus the alcohol will create a perfect storm of regret. You’ll wake up the next morning wondering why your pants are tighter and your dreams were haunted by breadsticks.
