How much caffeine is in zero-proof drinks, and which are genuinely caffeine-free?

The zero-proof category spans a spectrum from completely inert (sparkling water, fruit-based mocktails) to quite caffeinated (some functional energy-adjacent NA drinks that use caffeine as their stimulant instead of alcohol). Understanding where your chosen drink falls matters particularly for evening consumption, sleep hygiene, and caffeine sensitivity.

Kombucha made from black tea contains the most caffeine among fermented NA beverages: typically 10–30mg per 250ml, compared to 80–100mg in a regular coffee. Green tea kombucha runs lower, around 8–15mg. The fermentation process doesn't eliminate caffeine — it modifies some of the polyphenol structure but leaves caffeine largely intact. This is clinically insignificant for most adults but worth noting for children, pregnant individuals, or those who metabolise caffeine slowly (CYP1A2 gene variants).

NA spirits made from botanical distillates are generally caffeine-free unless the formulation explicitly includes guarana, yerba maté, or kola nut. Brands like Seedlip, Lyre's, Monday, and Caleno don't add caffeine. However, some "energy-forward" NA spirit alternatives have entered the market specifically to replace the stimulant effect of alcohol's social disinhibition — check the label for guarana extract, green tea extract, or caffeine NF.

NA wines and beers are reliably caffeine-free. Coffee-flavoured NA spirits (like some espresso martini-style products) may contain trace coffee-derived caffeine but typically at low levels. For evening drinking and sleep optimisation, the safest strategy is unflavoured NA spirits, herbal infusions (chamomile, linden, valerian-based), or fruit-based sparkling drinks.

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