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Functional Beverages Are Reshaping What Americans Drink

From protein-laced cold foam to CBD sodas, brands are racing to meet surging consumer demand for drinks that do more than quench thirst.

The beverage industry is undergoing a quiet but consequential transformation. Drinks engineered to deliver protein, adaptogens, CBD, or other functional ingredients are no longer niche health-store curiosities — they are moving into mainstream retail and coffeehouse menus at a pace that is forcing legacy brands to rethink their product lines entirely.

Starbucks offers perhaps the clearest signal of how far this shift has traveled. Sam Henderson, the chain's EMEA Manager of Beverage Development, told CNBC that protein cold foam is now selling at volumes approaching those of the flat white — a flagship espresso drink that itself was once considered a premium, forward-thinking menu addition. The comparison is striking: cold foam with added protein is essentially a functional upgrade to a dairy topping, and its near-parity with an established classic suggests functional attributes have become a genuine purchase driver, not merely a marketing footnote.

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The broader implication is that consumers are increasingly treating beverages as a delivery mechanism for wellness outcomes — energy, recovery, calm, or gut health — rather than simple refreshment. This behavioral shift creates both opportunity and risk for brands. Companies that credibly formulate and communicate functional benefits stand to capture loyal, health-motivated consumers willing to pay a premium. Those that slap trending ingredients onto existing products without meaningful dosing or scientific backing risk regulatory scrutiny and consumer backlash as the category matures.

For investors and analysts, the functional beverage boom also reflects a wider consumer spending pattern: even as households feel macroeconomic pressure, spending on perceived health and wellness products has proven relatively resilient. Whether that durability holds as the category becomes crowded — and as regulators take a closer look at claims around CBD and novel ingredients — will determine which brands built lasting franchises and which simply rode a wave.

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Frequently Asked Questions

Q.How popular is Starbucks protein cold foam compared to other drinks?

According to Starbucks' EMEA Manager of Beverage Development Sam Henderson, the chain is selling almost as much protein cold foam as it does flat whites, signaling strong mainstream demand for functional coffee additions.

Q.What are functional beverages?

Functional beverages are drinks formulated to deliver specific health or wellness benefits beyond basic hydration, such as added protein, CBD, adaptogens, or other active ingredients.

Q.Why are brands investing in functional beverages right now?

Consumer demand for health-oriented products has proven resilient, and functional ingredients like protein and CBD allow brands to command premium pricing while differentiating themselves in a crowded drinks market.

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