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Last reviewed: August 2026

Can Dogs Drink Rooibos Tea?

Generally
Safe
Plain, Cooled

Yes, in moderation. Rooibos (redbush) tea is one of the few teas that's naturally caffeine-free, which removes the main reason regular tea and coffee are risky for dogs. Plain, cooled rooibos in small amounts is generally considered safe.

Why rooibos is different from regular tea

Caffeine and theobromine — both methylxanthines, the same class of compound that makes chocolate dangerous — are what make regular tea (black, green, white) and coffee risky for dogs in any real quantity. Rooibos comes from an entirely different plant (Aspalathus linearis) and contains no caffeine at all, so that specific risk doesn't apply.

Rooibos does contain tannins and other plant compounds at low levels; there's no strong evidence these cause harm to dogs at the small amounts a dog would realistically drink, but it's still sensible to treat it as an occasional addition to water rather than a substitute for it.

What actually matters when sharing rooibos

  • Always cool it fully — hot liquid burns are a real and more likely risk than anything in the tea itself.
  • Skip the milk and sugar — many dogs are lactose intolerant to some degree, and added sugar offers no benefit.
  • Never add honey with xylitol-sweetened products nearby — always double-check any sweetener before adding it (see our xylitol page).
  • Plain rooibos only — flavoured or spiced varieties may contain other ingredients (like certain essential oils) that haven't been evaluated for dogs.

Sources

  • General veterinary consensus on caffeine-free herbal teas versus Camellia sinensis (true tea) toxicity in dogs.
  • Merck Veterinary Manual, "Methylxanthine Toxicosis in Animals" (for context on why caffeinated tea/coffee are risky by comparison).

This page is general educational information, not a substitute for veterinary advice.

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