Is Glucosamine Kosher? An In-depth Guide to Sourcing and Certification
                                
                                
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                                    4 min read                                
                            
                                According to reputable kosher certification agencies, the majority of conventional glucosamine supplements are not kosher because they are derived from the shells of non-kosher shellfish like crabs, shrimp, and lobsters. Answering the question, "Is glucosamine kosher?," therefore, requires a careful examination of the product's origin and certification status.