allergic reaction b12 injection How can anaphylaxis occur with a vitamin injection? B12 Shots Side Effects And

Provides vitamins

Summary: Feeling worse after a B12 injection typically reflects your body adjusting to replenished vitamin levels, triggering metabolic processes that may temporarily cause fatigue, headaches, or injection site discomfort

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This happens because the cells that give the skin its colour get damaged

Some of the most common causes of vitamin B12 malabsorption are: Leaky gut and inflammatory bowel disease Gut dysbiosis (imbalance in gut bacteria) Low stomach acid (hypochlorhydria) The auto immune condition pernicious anaemia - as the body attacks and destroys intrinsic factor, the protein that is essential for B12 absorption Acid suppressant medications Excessive alcohol Vegan or vegetarian diets (plant sources are poorly absorbed) According to various studies 50% of long-term vegetarians and 80% of vegans are extremely low in B12

These can lead to side effects or reactions that you may then associate with the B12 itself, even though B12 has nothing to do with them