Does tea contain sulphites? The surprising truth about natural and added sulphites
                                
                                
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                                    4 min read                                
                            
                                A 2020 Canadian Food Inspection Agency survey found that over 99% of dried tea products tested did not contain detectable levels of undeclared sulphites. While this is a reassuring statistic, it doesn't tell the whole story when addressing the question: does tea contain sulphites?.