Authorities have requested importers and manufacturers of vape products to review the nicotine concentrations, with the potential for products to be withdrawn if they exceeded limits.

This comes as TVNZ's Fair Go reported the Ministry of Health may have been given false or misleading information about the amount of nicotine in some products.

The Smokefree Environments and Regulated Products Act required products to be accurately labelled with the concentration of nicotine in mg/mL.