Is 0.3 Good for Ketosis? Understanding Your Ketone Levels
                                
                                
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                                    4 min read                                
                            
                                A blood ketone level of 0.3 mmol/L falls outside the recommended range for nutritional ketosis, which officially begins at 0.5 mmol/L. This reading indicates that your body is not yet relying on fat for fuel, making it a critical point for those starting a ketogenic diet to understand their next steps.