Is D3 in cereal vegan? The Guide to Checking Your Breakfast Bowl
                                
                                
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                                    4 min read                                
                            
                                According to the National Diet and Nutrition Survey, a significant portion of the population has low vitamin D levels, leading many food companies to fortify products like breakfast cereal with it. For vegans, a critical question arises: Is D3 in cereal vegan, or is it sourced from animals like lanolin from sheep's wool?