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People with Malabsorption Disorders : Conditions like celiac disease or Crohns disease can hinder vitamin B12 absorption

Gels, patches and pills are available too, but many men (and their doctors) stick with injections because they deliver reliable results and put you in control

If several of these apply to you, its worth getting tested before starting any treatment

How Fast Does a B12 Shot Work Compared to Oral Supplements Because B12 shots are administered intramuscularly and absorbed directly into the bloodstream, the nutrients bypass the slow digestive process

However, you can find adequate alternatives for effective treatment