Red Bull's zero-sugar version, here in the 20oz can. Each can has 189mg of caffeine, no sugar, and 30 calories, sweetened with aspartame and acesulfame K, with taurine (no amount listed) and B vitamins.
Zero sugar and 30 calories in a full 20oz can. 189mg of caffeine is a moderate dose for a 20oz can. The pack is $55.88 for 12 cans, about $4.66 each. The limit is that sweetened with aspartame and acesulfame K, which some people avoid.
Disclaimer: This is an independent editorial analysis. No brand paid for this score.
$4.66 / can · 12 cans / pack
Sugarfree
Store we checked on Nov 7, 2026, best price per can first. Prices change often, so the price at checkout is the one that counts.
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Lowest price we have written down
Not enough price data yet
We started tracking this pack on Nov 7, 2026, too recently to chart. The lowest price then was $55.88, and the chart fills in as we re-check prices.
The company behind Sugarfree
How its label, price and reviews stack up against the 41 canned pre-workouts we rank.
4.6/5
15,282 reviews at Walmart
Next to other canned pre-workouts. This one is the bright bar.
Cheapest on the left. This one is the bright bar.
Each can of Red Bull Sugarfree has 189mg of caffeine, more than 28% of the 41 canned pre-workouts we rank that list an amount. We count that as medium-stim.
It lists taurine in a blend with no dose. It has no sugar.
The lowest price we found is $55.88 for 12 cans at Walmart, or $4.66 per can. That's tied for the priciest of the 41 canned pre-workouts we rank, where the typical one costs $2.37.
We found it at Walmart, checked on Nov 7, 2026. It comes in 1 flavor.
Shoppers give Red Bull Sugarfree an average of 4.6 out of 5 across 15,282 reviews at Walmart. Our Review Scan score for it is 8.6 out of 10.
Red Bull makes Sugarfree. The brand was founded in 1987 and is based in Fuschl am See, Austria. We rank 2 Red Bull products, averaging 6.7 out of 10.
We score it 6.8 out of 10, #178 of 199 pre-workouts. Its strongest rating is Brand Reputation 8.8 and its weakest is Ingredients & Blend 4.8.
Other drinks close to this one on caffeine, stim level, and the main ingredients.
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The rest of the lineup we have ranked from this brand.
$4.66 / can · 12 cans / pack
