how often for vitamin b12 injections Injection Treatment B12 Injections for Weight Loss:

Studies show that methylcobalamin vs cyanocobalamin might be better for your brain and nerves

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Weight-based dosing considerations Some protocols adjust dosing based on body weight

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After initial correction, some individuals may require ongoing maintenance injections (often monthly) if they cannot adequately absorb B12 from diet or oral supplements

Other metabolic implications of vitamin B 12 deficiency include the accumulation of homocysteine and methylmalonic acid, which might contribute to the neuropathologic features of dementia (63)