Are there side effects of GKB probiotics?
                                
                                
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                                    8 min read                                
                            
                                According to a 2025 review by the National Center for Complementary and Integrative Health, probiotics are generally safe for healthy individuals but can pose risks for those with compromised immune systems. While GKB probiotics are designed to be beneficial, it's essential to understand that any supplement can cause side effects as your body adjusts to the new microbial balance.