A peppermint product sold across Australia has been recalled after metal contamination was detected.

Greenstorm Foods, trading as Austral Herbs, is recalling several sizes of its Certified Organic Premium Peppermint Leaf (Mentha piperita), according to an alert issued by Food Standards Australia New Zealand (FSANZ).

The recall affects 250g, 1kg, 5kg and 10kg packages marked with a best-before date of April 2, 2029.

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The products have been available online and through independent food retailers in NSW, Queensland, Victoria, Tasmania, South Australia and Western Australia.

FSANZ said the recall was prompted by the presence of foreign matter — specifically metal — and warned consumers not to eat the affected product.

Austral Herbs Certified Organic Premium Peppermint Leaf has been recalled after metal was found in the product. Credit: FSANZ

A Greenstorm Foods spokesperson told 7NEWS.com.au the issue came to light after the company received a customer complaint on Monday.

The company launched an immediate investigation and notified authorities on Tuesday, before the recall alert was issued the following day.

No illnesses or injuries linked to the affected product have been reported to the company.

The spokesperson said Greenstorm Foods immediately stopped distributing the affected batch and quarantined all remaining stock.

“We have commenced a root cause investigation, including with our supplier,” they said. 

“Any additional corrective and preventative measures identified through that investigation will be implemented.”

Anyone who has purchased the product should return it for a full refund.

“Any consumers concerned about their health should seek medical advice,” FSANZ said.