What Is Actually Inside a Canned Cocktail? (Read the Can)

Two cans sit next to each other in a fridge. Both say Margarita. Both have limes all over them. Both promise some variation of “bar-quality cocktail experience,” because apparently nobody in drinks marketing has ever met an adjective they couldn’t abuse. One contains tequila. The other might contain fermented malt alcohol, natural flavors and carbonation. Another could be made from wine. Another could use something called agave wine, which sounds suspiciously like tequila wearing reading glasses. They can all taste broadly Margarita-ish. But they are fundamentally different drinks.

This is one of the strangest things about the canned cocktail boom: the name of the cocktail doesn’t necessarily tell you what the alcohol inside the can actually is. In the US, the TTB permits cocktail names to appear on flavored malt beverages, provided the overall label isn’t misleading, while a distilled-spirit cocktail has its own classification and composition requirements. So if you really want to understand a canned cocktail, stop staring at the giant word MARGARITA on the front, and turn the bloody thing around. It’s the missing half of my other RTD guides, on how these drinks differ from hard seltzer, their calories and how many drinks are really in a can.

This is the single most important distinction in canned cocktails. Before worrying about lime juice, sugar, carbonation, calories or whether the can was designed by someone who owns twelve pairs of white trainers, ask: what made this alcoholic? Broadly, your canned cocktail is spirits-based, malt-based, wine-based, or built on another fermented base including agave-based products. And those aren’t trivial technical differences. They’re basically different families of drinks wearing the same Halloween costume.

The easiest to understand. A spirits-based Moscow Mule might actually contain vodka. A canned Gin & Tonic might contain gin. A Margarita might contain tequila. A Whiskey Sour might contain whiskey. The producer takes distilled spirit and builds the drink around it with water, flavorings, sweeteners, acids, juice and carbonation. For recognized cocktails, the TTB allows descriptions like “Screwdriver Made With Vodka,” and spirits-based products generally have to communicate the spirit or composition on the label. Conceptually these are closest to what a bartender makes you, not necessarily identical, but at least everybody has turned up to the same wedding. Tequila Margarita? Tequila is present. Vodka Mule? There’s vodka in there. Revolutionary stuff, and exactly what you get if you make a real Margarita with a proper tequila.

This is where it gets more interesting. A malt-based canned Margarita isn’t simply a normal Margarita poured into aluminum; its underlying alcohol comes substantially from fermentation associated with the malt beverage rather than someone dumping a bottle of tequila into the tank. Flavors, sweeteners and acids then push that fermented base toward something resembling a Margarita or Mojito. Under current TTB rules, a flavored malt beverage at 6% ABV or below can derive no more than 49% of its total alcohol from flavors and other alcohol-containing nonbeverage ingredients (different limits apply above 6%). The important bit for drinkers isn’t the regulation. It’s this: “Margarita” does not automatically mean “tequila.” Read that again, because it explains half the RTD aisle. Does that make malt-based cocktails bad? No, some are perfectly enjoyable. But they’re different, and if I bought something wanting a tequila Margarita, discovering tequila wasn’t invited feels like relevant information.

Another category entirely. Wine can be the alcoholic foundation for an RTD, which doesn’t mean someone poured Chardonnay into your Mojito, wine-based specialty products combine a wine base with flavors, sweeteners, colors and other permitted ingredients. The TTB even gives examples of specialty wine products described as “Grape Wine with Natural Flavors,” and notes that such a statement of composition isn’t necessarily a complete ingredient list. This matters commercially, because alcohol categories are taxed and distributed differently, but as a drinker the useful question stays beautifully simple: what’s the booze? Two drinks with near-identical branding and flavor cues can begin life as completely different alcoholic liquids.

This is where Margarita shopping becomes properly entertaining. Tequila and agave wine are not the same thing. Tequila is a distilled spirit produced under specific rules from blue agave. Agave wine, as the term is used in the RTD market, starts with fermented agave but doesn’t become tequila through the usual distillation, and some agave-wine products are also fortified. It lets producers create something with recognizable agave character at a lower underlying strength and, crucially, within a different beverage category, and it’s already the base for plenty of commercially sold Margarita-style drinks. The distinction deserves attention, because the average person sees AGAVE and mentally reads TEQUILA. No. Agave is a plant. Tequila is a specific distilled spirit. Agave wine is another thing. Think grapes: Champagne comes from grapes, so does Pinot Grigio, so did Cognac originally, and that doesn’t make them interchangeable. Same agricultural starting point does not mean same drink. If your can says made with tequila, lovely, you know what you’ve got. If it says agave wine cocktail, you’re drinking something different. Just don’t let the cactus artwork do your reading for you.

Another place the canned version wanders from the original. Many classics aren’t carbonated, a traditional Margarita doesn’t need fizz, and an Old Fashioned isn’t supposed to arrive doing its best impression of Sprite. But carbonation works brilliantly in cans: it brings freshness, lift and perceived acidity, makes sweetness feel less heavy, and gives that cold, crack-open-another-one character built for beaches, barbecues and festivals. CO2 is simply introduced under pressure during production. This is why a canned cocktail can taste less like the actual cocktail and more like a cocktail-flavored hard seltzer. Sometimes that’s the point: a 5% sparkling canned Margarita is built for a completely different occasion from a strong, short Margarita shaken at a bar. One says “I’ll have another.” The other says “why am I suddenly explaining cryptocurrency to the waiter?”

Sugar matters enormously, because you’re trying to make something taste balanced straight out of a cold tin. A bartender has fresh citrus, ice dilution, temperature, fresh syrups, bitters and the ability to taste and adjust. A can has none of that: it was made three months ago in a factory a thousand miles away and has no interest in whether your lime was especially acidic today. Sweetness might come from cane sugar, agave syrup, fruit concentrates, other caloric sweeteners or non-sugar sweeteners. But here’s the frustrating part: US alcohol labels aren’t currently required to carry the universal Nutrition Facts panel you expect on food, TTB nutrient-content labeling stays optional in many cases, though certain calorie, carb or sugar claims trigger extra disclosure. So one canned Margarita could be relatively dry and another basically liquid pudding, and unless the producer voluntarily tells you, spotting the difference isn’t easy. “Natural” doesn’t mean unsweetened, “premium” means almost nothing, and pictures of three limes floating beside a mountain stream are not recognized units of sugar measurement. I go deeper on this in the calories guide.

This phrase is everywhere in RTDs, and consumers tend to translate “natural lime flavor” into “someone squeezed a lime into this.” That isn’t necessarily what happened. Formulas can use compounded flavors, and TTB’s own examples include products with multiple natural flavors later labeled simply “with natural flavors.” So the phrase doesn’t mean bad, and it doesn’t mean fake, but it isn’t synonymous with fresh juice either. One producer uses actual lime juice, another lime concentrate, another a natural lime flavor, another combines all three. They’re solving a genuinely hard manufacturing problem: making something taste like freshly cut citrus after months sealed in metal. Frankly, I’d struggle after three hours.

Make a fresh Margarita, leave it on the counter until Christmas, do not drink it. Your canned Margarita faces the opposite requirement: it must stay stable through manufacturing, transport, warehousing, shelves and your fridge before tasting roughly as intended. That can involve pasteurization, filtration, acidity management and, depending on the formula, preservatives, TTB’s own example formulas include malt beverages using sodium benzoate. Does every canned cocktail contain preservatives? No, some brands explicitly formulate without them. But “preservative-free” doesn’t mean a product has defeated biology through positive thinking. It means stability was achieved another way.

Alcohol by volume matters more in canned cocktails than almost any other category, because cans look equal and alcohol isn’t. Two identical 12oz cans, one at 5% and one at 10%, the stronger one holds twice as much alcohol, not 5% more. The NIAAA defines one US standard drink as about 14 grams of pure alcohol, roughly a 12oz 5% beer, a 5oz glass of 12% wine, or 1.5oz of 40% spirits, which means a 12oz canned cocktail at around 10% is roughly two standard drinks. Yet psychologically you opened one can, so your brain says one drink; your liver has declined to endorse this methodology. The TTB’s voluntary Serving Facts framework even shifts its reference serving by strength: 12 fluid ounces for drinks up to 7% ABV, dropping to 5 fluid ounces above that. So a strong 12oz can may contain well over one reference serving. The can is the package. It is not necessarily the serving, an inconvenient distinction if you’ve just bought a four-pack, and the whole subject of my guide to how many drinks are in a can.

Ignore the enormous cocktail name for ten seconds and look for the smaller words. You’re trying to establish the alcohol base first: does it say made with tequila, made with vodka, malt beverage, wine cocktail, or agave wine? Then check the ABV. Then the can size. Then whatever the producer tells you about juice, flavors, sweeteners, carbs, calories and ingredients. Don’t assume “Margarita” answers any of those questions, because it doesn’t.

This is the part the industry could explain far better. Picture these two, both legitimately “canned Margaritas”:

Chemically, structurally and experientially they’re miles apart. One behaves like a flavored beer or hard seltzer; the other is trying to put an actual bar cocktail into a can. Neither is inherently wrong. They simply shouldn’t be confused, and right now the labeling lets them be.

WRITTEN BY VIM, EDITOR OF 12×75. Regulatory details reflect current TTB guidance and may change. Please drink responsibly.