Bariatric surgery can impact the bodys ability to absorb nutrients, so a high supplemental dose of vitamin B12 may be needed to maintain healthy levels.*
Other patients have reported dark spots at the injection site which also fade over a few months
Vitamin B12 Deficiency Symptoms | Signs & NHS Treatment Vitamin B12 deficiency symptoms can be subtle yet far-reaching, affecting the blood, nervous system, and overall wellbeing
Second, the increase in synaptic norepinephrine directly stimulates the sympathetic nervous system
For individuals requiring supplementation due to confirmed deficiency or malabsorption, therapeutic doses vary considerably depending on the underlying cause: Dietary deficiency : 50150 micrograms daily orally, or cyanocobalamin tablets as prescribed Pernicious anaemia : Initially hydroxocobalamin 1 mg intramuscularly three times weekly for two weeks, then maintenance injections every two to three months [3] Neurological involvement : More intensive regimens may be required, with hydroxocobalamin injections on alternate days until symptom improvement [3] NICE guidance emphasises that supplementation should be evidence-based rather than speculative
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