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Rush services are available, so if that hangover is preventing you from going about your day, same-day services might be in your future
Importantly, if you have unexpectedly high B12 levels without taking supplements or receiving injections, this warrants GP review as it may indicate underlying liver disease, kidney disease, or certain blood disorders
These products are for laboratory research only and not intended for medical use
| Blog | Vitamin B12 Many people struggle with symptoms of fatigue and mild depression on and off in their life, yet few realise that the reason for their problems might be vitamin deficiency
People with low B12 sometimes experience irritability, sadness, or brain fog
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