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Contact your GP or prescribing clinician if you experience : Severe or worsening fatigue that significantly impairs daily activities or persists beyond several weeks of treatment Extreme weakness or inability to perform usual tasks Dizziness or fainting , particularly on standing, which may indicate dehydration or blood pressure changes Persistent nausea or vomiting preventing adequate food or fluid intake Signs of dehydration : dark urine, reduced urination, dry mouth, confusion Chest pain, palpitations, or breathlessness accompanying tiredness Mood changes , including low mood or depression, which can manifest as fatigue Right upper abdominal pain, fever or yellowing of the skin/eyes , which could indicate gallbladder problems (GLP-1 medications may increase gallstone risk) For urgent but non-emergency concerns, you can contact NHS 111 for advice

This method especially benefits individuals with compromised gastrointestinal health, as they may struggle to absorb B12 through food or oral supplements
Horses : 5 to 10 mL Dogs : 1 to 2 mL PRESENTATION 100 mL sterile multi-dose glass vial STORAGE Store below 25C (Air Conditioning)