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The lack of B12 affects the production of red blood cells, leading to reduced oxygen transport and poor muscle function
9 Where IF is present, a deficiency can easily be overcome by oral supplementation of crystalline cobalamin, which does not need to be cleaved from food proteins
Sublingual (under-the-tongue) forms dissolve in your mouth, theoretically enhancing absorption by allowing some B12 to enter the bloodstream through mucous membranes rather than relying solely on digestive uptake
If you are having B12 injections for a genuine deficiency, this is the context that helps you tell a settling-in reaction from a real problem
- Lower Frequency: Typically, B12 shots are administered less frequently than oral supplements
