Mostly yes: 98% of hard seltzer options in the catalog are 5g of carbs or less per serving. The average hard seltzer has 2.3g of carbs per standard serving. 291 of 298 drinks qualify as low-carb (5g or less), and 191 clear the stricter 2g keto-friendly line. The lowest-carb hard seltzer we track is Dos Equis Ranch Water Lime Seltzer (0.0g carbs, 90 cal per 12 oz).
Figures come from producer labels and public product databases; see how we verify our data. Updated 2026-09-26.
Is Hard Seltzer Keto? — Page 9
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289
Barefoot Hard Seltzer Cherry & Cranberry
Hard Seltzer · 4.2g carbs · 112 calories · 4.0% ABV · per 12 oz (label: 8.5oz)
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290
Barefoot Hard Seltzer Peach & Nectarine
Hard Seltzer · 4.2g carbs · 112 calories · 4.0% ABV · per 12 oz (label: 8.5oz)
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291
Barefoot Hard Seltzer Strawberry & Guava
Hard Seltzer · 4.2g carbs · 112 calories · 4.0% ABV · per 12 oz (label: 8.5oz)
66
Is other alcohol keto?
Frequently Asked Questions
Is hard seltzer keto?
Mostly yes: 98% of hard seltzer options in the catalog are 5g of carbs or less per serving.
What is the lowest-carb hard seltzer?
Dos Equis Ranch Water Lime Seltzer (0.0g carbs, 90 cal per 12 oz) is the lowest-carb hard seltzer in the DrinkLeader catalog.
What is the best keto hard seltzer?
Ranked by DrinkLeader score among hard seltzer at 5g of carbs or less, the top pick is Dos Equis Ranch Water Lime Seltzer (0.0g carbs, 90 cal per 12 oz).
What counts as keto-friendly here?
Keto-friendly means 2g of carbs or less per standard serving; low-carb means 5g or less. Alcohol itself has no carbs, but mixers, sugars and unfermented grains do.