What Does 0 g of Lactose Mean?
                                
                                
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                                    5 min read                                
                            
                                According to the FDA's rounding rules, a food label showing '0g of sugar' doesn't mean it is completely sugar-free. This same principle applies to lactose, where a product labeled '0g of lactose' can legally contain a very small, trace amount, which is a crucial detail for people with severe lactose intolerance.