What Foods Contain Bovine Serum Albumin?
                                
                                
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                                    5 min read                                
                            
                                According to the NIH, bovine serum albumin (BSA) is a common allergen responsible for cow's milk and beef allergies. Found primarily in the blood and serum of cattle, it can make its way into various food products, which is a critical concern for those with specific sensitivities.