Vitamin B12 deficiency occurs when the body lacks sufficient cobalamin, an essential water-soluble vitamin required for numerous physiological processes
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Regular consumption of these foods or supplements is essential, especially for vegetarians and vegans, to maintain adequate B12 levels and support energy, red blood cell production, and nerve function
Transition to Weekly Administration After the first phase, shots are given weekly
There are insufficient high-quality randomised controlled trials to support their use for weight loss
Common signs that suggest B12 supplementation may be necessary include: Numbness or tingling in hands and feet , which signals peripheral nerve involvement