We tried a fiber-filled Diet Coke that could be sold in the US. It wasn't for everyone, but it won some fans.

Coca-Cola introduced a fiber-enriched diet coke in Asia in 2017.

Aditi Bharade

• 2026 is the year of fiber, with big brands gearing up to offer more fiber-rich products.
• So we tested out Coca-Cola's fiber-enriched Diet Coke, a drink available only in Asia.
• There were some small differences with regular Diet Coke, but we were pleasantly surprised.

Six weeks into 2026, it's clear that this is the year of "fibermaxxing."

Top executives of food and beverage...