vitamin b12 injection vs tablets 💉 Injections 💊 – What’s the Difference?, It’s not just about preference… it’s all about something called intrinsic factor 🧬, If your body doesn’t produce enough intrinsic factor, you Oral B12 vs. B12 Injections:

This process steals away precious methyl groups

Any mild soreness usually settles within a day

Cobalt Allergy Symptoms The symptoms of cobalt allergy can vary widely among individuals but typically include: Skin Reactions : Redness, itching, and rashes are common, especially in areas that come into direct contact with cobalt-containing items

World journal of gastroenterology: WJG

I heard someone mention there is some genetic variant which may be at play here

Symptoms of B12 deficiency include: Fatigue Low mood or personality/mood changes Irritability Lethargy Headaches Palpitations Loss of appetite Pale yellow tint to the skin A feeling of pins and needles (paraesthesia) Poor memory Impaired cognitive performance Depression Weakness Impaired digestion Inflammation Gastrointestinal lesions Neurological damage Since B12 is primarily found in animal products, any change in ones diet that leads to a decrease in the consumption of such products such as a vegan , vegetarian, or low-fat diet can increase the chance of a person developing a B12 deficiency