Coca-Cola Tests Prebiotic Coke Zero, Sprite Zero and Fresca... But Does Anyone Want It?

Coca-Cola is putting fiber into three of its sodas. The company is testing prebiotic versions of Coca-Cola Zero Sugar, Sprite Zero Sugar, and Fresca, launching this fall. A Coca-Cola spokesperson says the test will run in New York, New Jersey, and Pennsylvania to see whether shoppers bite.

"We're looking at taking our Coca-Cola Zero offerings into the prebiotic space," said Stacy Jackson, vice president of the Coca-Cola trademark. "It is going to be a test. We are launching in the fall. We really want to see if consumers want this product offering from us."^[1]

The test lands the same week Coca-Cola is showing its 2027 lineup at NACS in Las Vegas: Coca-Cola Cherry Lime, Coca-Cola Strawberry Float, new zero-sugar Powerade flavors, a pineapple-coconut Topo Chico, and banana and strawberry Core Power shakes. The prebiotic trio is the more interesting story.

What's on the Can

Coca-Cola has now put the lineup on its own website. Here's what the company's product page confirms:^[2]

• 12 fl oz cans
• 6g of prebiotic fiber per can, "to support digestive health"
• 15 calories per can
• Zero sugar across all three

The first images of the cans surfaced on LinkedIn before Coca-Cola's page went up.^[3]

Coca-Cola hasn't said which fiber it's using yet. That matters, because the fiber source affects how a soda tastes, and some fibers don't sit well with every stomach. We'll update once a full label surfaces.

How 6g Stacks Up

Here's where Coke lands against the prebiotic sodas you already know:

• Olipop: about 9g, from a blend that includes cassava root fiber, chicory root inulin, and Jerusalem artichoke inulin
• Coca-Cola's prebiotic trio: 6g
• Simply Pop (also Coca-Cola): 6g
• Pepsi Prebiotic Cola: 3g, plus 5g cane sugar and 30 calories
• Poppi: about 2-3g of agave inulin

Some brands skip inulin entirely. Bloom Pop uses PreticX XOS, for example.

At 6g, Coke sits near the top of the mainstream pack. It matches its own Simply Pop and doubles Pepsi's cola, and only Olipop clearly goes higher. Pepsi went with a little cane sugar, while Coke kept Coke and Sprite at zero sugar.

Keep your expectations in check, though. A can of soda isn't a gut-health protocol, and 6g of fiber in a cola won't stand in for beans, vegetables, and whole grains. What Coke is really selling is simpler: a low-calorie soda you'd drink anyway, with some fiber added.

Does Anyone Want Prebiotic Sprite?

This is where we get skeptical.

Fresca is the obvious fit. It's an adult soda that already leans better-for-you, and its drinkers are more likely to flip the can and read the panel. A fiber badge feels at home there.

Coke Zero makes sense too. Diet-soda drinkers have already traded sugar for something, and "zero sugar plus fiber" is an easy upgrade to pitch to someone who buys 12-packs every week. It also takes on Pepsi Prebiotic Cola head-on.

Sprite Zero is the head-scratcher. Health shoppers don't buy Sprite, and Sprite drinkers aren't shopping for fiber. We're struggling to picture who reaches past Olipop for a prebiotic lemon-lime, or who reaches past regular Sprite Zero for a fiber badge.

There's a fair counterpoint. Ghost's mainstream crossovers in the energy drink world show that a big, well-loved brand name can carry a functional novelty into carts that would never pick up a niche brand. Sprite has more name recognition than almost anything in the cooler. If anyone can make lemon-lime fiber soda move, it's the brand that owns lemon-lime.

Which of the three survives the test is the real tell. If Sprite Zero Prebiotic makes it out of the Northeast, Coca-Cola has decided prebiotics are now a mainstream soda feature.

References

1. NewsNation. "Coca-Cola plans to test prebiotic sodas in its signature flavors this fall." NewsNation, 2026. https://finance.yahoo.com/media-advertising/articles/coca-cola-plans-test-prebiotic-235519780.html
2. Coca-Cola. "Prebiotic Soda." Coca-Cola, 2026. https://www.coca-cola.com/us/en/offerings/prebiotic-soda
3. Imene C. "The Coca Cola Company is going prebiotic!" LinkedIn, 2026. https://www.linkedin.com/posts/imen-c-brandconsultant_cultural-brands-fmcg-share-7503739844011950080-JQI-/