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If you arent able to get enough from your diet or have trouble absorbing enough from the food you consume, you might suffer from B-12 deficiency
Beef liver is the highest in B12
Some reasons your body may not be able to get enough B12 from food include: Anemia Gastritis Crohns disease Celiac disease Alcohol use disorder Sjgrens syndrome Weight loss surgery, or surgery that removes part or all of your stomach A vegan or strict vegetarian diet (as B12 is only found in animal products) Medications, such as metformin and drugs used to treat gastroesophageal reflux disease (GERD), indigestion, and stomach ulcers Pregnancy Your doctor could also order a B12 test based on your symptoms
You could be injecting B12 religiously while your cells are basically starving
It was FDA-approved as Geref Diagnostic for evaluating pituitary growth hormone secretory capacity (2)
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