Yes, you can drink on keto — the catch is that most cocktails are sugar bombs in disguise. Here's how alcohol affects ketosis, the best and worst things to order, and low-carb cocktail ideas that keep you on track.
Following a ketogenic or low-carb diet doesn't mean you have to be the only one at the party holding a glass of water. Plenty of drinks fit comfortably into keto — but plenty of others will blow your carb budget in a single glass. The difference usually isn't the alcohol itself; it's what's mixed in with it. Once you know what to look for, ordering keto-friendly is easy.
Can You Drink Alcohol on Keto?
You can, in moderation. Pure distilled spirits — vodka, tequila, gin, whiskey, rum — contain essentially zero carbs. The problems start with sugary mixers, juice, regular soda, tonic water, sweet liqueurs, most beers, and sweet wines, all of which carry the carbs that knock you out of ketosis. Choose the spirit wisely and the mixer even more wisely, and a drink or two fits fine.
How Alcohol Affects Ketosis
As Healthline notes, there are two things to understand. First, your liver treats alcohol as a priority: it will metabolize alcohol before it burns fat, so drinking can temporarily pause ketone production and slow fat loss even when the drink itself is carb-free. Second, and more importantly for staying in ketosis, the carbs come almost entirely from mixers and sweet drinks — so those are what you police.
One more thing worth knowing: on keto, many people find their alcohol tolerance drops noticeably. Without a buffer of stored carbs, drinks can hit faster and harder, so pace yourself and hydrate.
The Best Low-Carb Drinks
Your safest bets, all near zero carbs on their own, are the clear and even the dark distilled spirits: vodka, tequila, gin, whiskey, and rum. Mix them with soda water, a squeeze of fresh citrus, or a genuinely sugar-free mixer and you've got a keto-friendly drink. Among wines, dry reds and dry whites are lowest (roughly 3–4 grams of carbs per glass), and brut or extra-brut sparkling is a solid celebratory option. If you're deciding between spirits, our breakdown of tequila vs. vodka vs. gin helps you pick.
The Worst Offenders
These are the carb traps: margarita mix and other sweet-and-sour premixes (often 20–30+ grams of sugar per serving), regular soda and tonic water, fruit juice, sweet liqueurs like triple sec and coffee liqueur, most beers (those carbs aren't called a "beer belly" for nothing), sweet wines, and frozen or dessert-style cocktails. A single sugary margarita can carry more carbs than an entire keto meal. Our guide to the best drinks to order at a bar covers how to sidestep these when you're out.
Keto Cocktail Ideas
Building a keto cocktail is mostly about swapping the sweet part for something clean: a spirit with soda water and lime, a vodka soda with fresh citrus, gin with sugar-free tonic and cucumber, or a "skinny" margarita made with tequila, fresh lime, and a low- or no-sugar mixer instead of sweet-and-sour. For inspiration that already leans low-sugar, browse our low-sugar cocktail recipes and watermelon margarita twists — many need only a small tweak to be fully keto.
A Few Keto Drinking Tips
Eat before you drink so alcohol isn't hitting an empty stomach, alternate every drink with water and electrolytes, and remember that your lower tolerance means fewer drinks go further. Watch the mixers like a hawk — that's where the carbs hide — and don't be surprised if drinking stalls your fat loss for a day even when you stay in ketosis.
Frequently Asked Questions
Does alcohol kick you out of ketosis?
Pure spirits won't add carbs, but your liver prioritizes metabolizing alcohol over burning fat, which can temporarily pause ketone production and slow weight loss. Carb-heavy mixers and sweet drinks are what actually knock you out of ketosis.
What is the lowest-carb alcohol?
Pure distilled spirits — vodka, tequila, gin, whiskey, rum — have essentially zero carbs. Dry wines and brut sparkling are the lowest-carb wine options.
Can I have a margarita on keto?
Not the classic sweet-and-sour version. But a "skinny" margarita with tequila, fresh lime, and a sugar-free mixer keeps the carbs low while giving you the same flavor.
Will one drink ruin ketosis?
Usually not, if it's a low-carb drink. You may pause fat burning briefly, but a carb-free spirit with a clean mixer won't undo your progress. The damage comes from sugary drinks, not the occasional smart one.
The Bottom Line
Keto and cocktails coexist just fine — the whole game is the mixer. Stick to pure spirits or dry wine, swap sugary mixers for soda water, citrus, and low-sugar options, hydrate, and respect your lowered tolerance. Order smart and you can toast without touching your carb budget.
A low-sugar mixer is the easiest way to keep a cocktail keto-friendly — which is exactly what OFTN makes. Every OFTN mix is 20 calories, low in sugar, with electrolytes and B + C vitamins, as a cocktail or a zero-proof mocktail. Explore all OFTN flavors →
