Zero-sugar energy drinks are generally acceptable on keto due to near-zero net carbs and minimal calories. They provide caffeine (and sometimes electrolytes/B vitamins) for an energy boost—useful pre-workout or during afternoon slumps. Choose versions without added sugar or juice.
Is Zero Sugar Energy Drink Keto?

Zero-sugar energy drinks are generally acceptable on keto due to near-zero net carbs and minimal calories. They provide caffeine (and sometimes electrolytes/B vitamins) for an energy boost—useful pre-workout or during afternoon slumps. Choose versions without added sugar or juice.
- Net carbs (100g)0g
- Protein (100g)0g
- Fat (100g)0g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Zero/near-zero net carbs and minimal calories
- Non-nutritive sweeteners don’t add sugar
- Caffeine supports alertness and workout performance
- Optional electrolytes help maintain hydration on keto
- B vitamins (if included) support energy metabolism
- Portable, convenient option when whole-food choices aren’t available
HEALTH BENEFITS
- Caffeine may enhance focus, energy, and reaction time
- B vitamins (if added) support cellular energy pathways
- Electrolytes (sodium, potassium, magnesium) support hydration balance
- May improve perceived exertion and endurance during workouts
- Taurine can support cardiovascular and muscle function
- Tea/coffee extracts (when present) provide antioxidant compounds
PREPARATION SUGGESTIONS
COLD CAN
Chill and drink straight from the can for a quick, zero-carb pick-me-up.
PRE-WORKOUT DRINK
Have 15–30 minutes before exercise to support energy and performance.
AFTERNOON PICK-ME-UP
Sip mid-afternoon to counter a slump; avoid late evening to protect sleep.
MIXED COCKTAIL
Combine with vodka or other spirits for a keto-friendly cocktail; drink responsibly.
ICED ENERGY DRINK
Pour over ice or crushed ice for a longer-lasting, extra-cold beverage.
ENERGY DRINK FLOAT
Top keto ice cream with a zero-sugar energy drink for a fun, fizzy treat.