How Many Calories Are in THC Drinks? (Sugar-Free & Keto Options)

Most THC beverages contain roughly 0–50 calories per can, and many THC seltzers are completely zero-sugar and zero-calorie. That makes them one of the lightest ways to unwind — often far below a beer, glass of wine, or cocktail.

If you're watching your intake or following a low-carb lifestyle, the calorie math is one of the most appealing things about THC drinks. Here's the full picture.

The typical calorie range

THC beverages vary by style, but they generally fall into a low band:

• THC seltzers: often 0–15 calories, and many are truly zero-calorie with no sugar — just carbonated water, natural flavor, and a low dose of THC.
• THC tonics and flavored sparkling drinks: commonly 5–30 calories, depending on sweeteners and botanicals.
• THC sodas and sweeter formats: can range up to 40–50+ calories if they contain real sugar or fruit juice.

Always check the label — calorie counts come down to what's added for flavor and sweetness, not the THC itself. Explore lighter options across our full collection.

How that compares to alcohol

This is where THC drinks really stand out. A single low-calorie THC seltzer often beats every common alcoholic option:

• Regular beer (12 oz): roughly 150 calories
• Light beer (12 oz): roughly 100 calories
• Glass of wine (5 oz): roughly 120–130 calories
• Margarita or mixed cocktail: often 200–300+ calories
• Zero-sugar THC seltzer: often 0–15 calories

Swapping a nightly drink for a zero-calorie THC seltzer can meaningfully cut calories over a week. For a fuller comparison, read THC beverages vs. alcohol.

Sugar-free and keto-friendly options

Many THC seltzers are naturally suited to low-carb and keto diets because they contain zero sugar and zero (or near-zero) carbohydrates. Instead of sugar, they may use no sweetener at all or a small amount of a non-nutritive sweetener. To keep it keto-friendly:

• Look for "zero sugar" and low total carbs on the nutrition panel.
• Favor seltzers over sodas, which are more likely to contain added sugar.
• Watch for fruit juice or cane sugar in the ingredient list if carbs matter to you.
• Choose lower-dose cans if you want to sip more than one; browse 3mg THC and under.

Tip: A "sugar-free" drink still isn't calorie-free by definition — botanicals, natural flavors, and certain sweeteners can add a few calories. If you're counting closely, read the actual nutrition label rather than assuming zero.

Why THC drinks tend to be lighter

Alcohol itself carries about 7 calories per gram, so alcoholic drinks start with a built-in calorie load before any mixers. THC contributes a negligible number of calories at the low doses used in beverages — often just 2–5mg per can — so the calorie count comes almost entirely from flavoring and sweeteners. Choose a plain zero-sugar seltzer and you're essentially drinking flavored sparkling water with a gentle low dose. For help picking, see how to choose the best THC beverage for your needs, or shop smart with our value collection.

Mind your dose. Start low & go slow, wait 45–60 min before another, 21+ only, never drive or mix with alcohol.

Frequently asked questions

Are THC seltzers zero calories?

Many are. A large share of THC seltzers are formulated with no sugar and effectively zero calories, using only sparkling water, natural flavor, and a low dose of THC. That said, not every product is zero — always confirm on the nutrition label, since flavored and sweetened versions can add a handful of calories.

Are THC drinks keto-friendly?

Zero-sugar THC seltzers are generally keto-friendly because they contain little to no carbohydrates. Sweeter sodas or juice-based drinks may contain sugar and carbs that don't fit a strict keto plan, so check the total carbs and choose sugar-free seltzers if you're low-carb.

Do THC drinks have fewer calories than beer or wine?

Usually, yes. A zero-sugar THC seltzer often has 0–15 calories, compared with roughly 100–150 for beer and 120–130 for a glass of wine. Cocktails can be much higher. That makes a low-calorie THC seltzer one of the lightest options for a relaxing drink.