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Conversely, if a patient presents with pernicious anemia or severe neurological signssuch as intense tingling in the hands, memory loss, or muscle weaknessthe dosage remains the same (usually 1,000 mcg), but the frequency increases significantly

Some people find that they prefer to have smaller quantities of B12 injected weekly or fortnightly, and others would rather take larger doses of B12 monthly

Complete the medical declaration form Clinician review by Dr Knight (we will contact you if we need any extra information) UK dispatch (free tracked delivery worldwide) Step-by-step guidance included UK clinic support if you have questions at any stage 1) Choose your strength (subject to clinician review): 1mg or 5mg 2) Choose your kit size (tap to view): 1 ampoule Try it first: ideal if youre new and want to start small 4 ampoules Most popular: a convenient way to keep your routine going 6 ampoules Great for starting: suits a common weekly start schedule 10 ampoules Best value per ampoule: lowest cost per ampoule for ongoing maintenance Typical schedule: A common approach is 1 injection weekly for 6 weeks, then one injection every 46 weeks for maintenance

First-line for pernicious anemia and malabsorption