Functional beverages have been around for a while — usually supplements dressed up as drinks, often overpromising, occasionally useful. Functional coffee is a newer and more honest iteration of the idea.

What makes a coffee functional?

It goes beyond the base drink by adding something that serves a real nutritional purpose: adaptogens, probiotics, prebiotics, collagen, specific minerals. Not as a medicine, but as a genuinely better drink. The functional beverages UK market is one of the fastest-growing categories in the drinks industry right now, and coffee with added benefits is the natural next step — something you already drink every day, made to do more.

Why decaf and functional work well together

If you're already removing caffeine from the equation, you've created space for a different question: what should coffee actually do for you? Nolo's answer is prebiotics — 6.75g of prebiotic plant fibre per can, from Jerusalem artichoke and citrus fibre. That's a meaningful dose, not a token one. Prebiotics feed the beneficial bacteria in your gut, supporting digestion, reducing bloating, and increasingly linked to broader health outcomes including mood regulation via the gut-brain axis. What Nolo doesn't add is sugar: less than 5g per can, naturally occurring from the oat milk.

Is it just marketing?

That depends entirely on the product. Some functional drinks add ingredients at doses so low they have no measurable effect — the label does more work than the contents. The test is simple: what's in it, at what dose, and is there evidence that dose does anything? Prebiotic fibre at 6.75g sits above the threshold most research identifies as having a measurable gut health effect. It's not a claim. It's a dose.

The bigger picture

Functional decaf sits at the intersection of two things happening simultaneously: a broader shift away from stimulant dependency, and a growing expectation among consumers that drinks should contribute to health rather than just not harm it. Not a supplement, not a health claim - just a drink made with more intention than most.

Nolo: the UK's first ready-to-drink decaf cold brew with prebiotics

The Nolo Team