Because when you cant absorb B12 through the stomach, shots are simply the only reliable solution to avoid the neurological symptoms of B12 deficiency, and to keep living a normal life
Subcutaneous injections can be administered at the side or back of the upper arm, lower abdomen, and front of the thigh
The compounded market has grown significantly due to the high cost and periodic shortages of brand-name products
Vitamin B12 injections are often recommended for individuals who are unable to meet their B12 requirements through diet alone, such as those following a vegan or vegetarian diet, individuals with malabsorption issues, or those with certain medical conditions
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This dual mechanism distinguishes it from precursor supplementation in research terms