Severe allergic reactions, such as itching or difficulty breathing, are rare but possible
What are the storage requirements
Furthermore, our Family Health Care team provides personalized nutritional counseling and vitamin B12 injections for patients who follow strict vegetarian or vegan diets, as these dietary patterns often lack sufficient vitamin B12 naturally present in animal-based products
Possible adverse effects may include: Injection site reactions : Redness, swelling, irritation, or discomfort Gastrointestinal symptoms : Nausea, vomiting, stomach cramps, or diarrhea Headaches or dizziness Allergic reactions : Rash, itching, shortness of breath, or facial swelling (rare) Increased heart rate or anxiety (typically temporary from B-vitamins) Fatigue or weakness if used improperly Elevated liver enzymes when taken in excess particularly with methionine or choline Insomnia if taken late in the day due to increased energy levels Who should avoid or use caution
The NICE recommendations tell GPs to consider testing in anyone with one symptom or one risk factor, and to treat early to prevent neurological damage that can become permanent