The sums of the number of unique ASVs per sample were compared across groups, with the unclassified sequences excluded for the observed ASVs
Seek medical advice if you are taking B12 supplements and experience: Persistent skin changes, particularly acne-like eruptions or rosacea worsening Unexplained headaches or dizziness that coincide with supplement use Gastrointestinal symptoms including nausea or abdominal discomfort Any allergic reactions such as rash or itching Call 999 or go to A&E immediately if you experience: Difficulty breathing Swelling of the face, lips, tongue or throat Severe rash or itching Other symptoms of severe allergic reaction after taking B12 These symptoms warrant review of your supplementation regimen
Vitamin B12 injections are generally considered safe when recommended and administered by qualified healthcare professionals
GLP-1 and GIP receptor agonists have a low intrinsic risk of causing hypoglycaemia when used alone, because their insulin-stimulating effects are glucose-dependent
Injections deliver vitamin B12 directly into the bloodstream, bypassing digestive absorption issues that can limit the effectiveness of oral supplements
What are B-12 injections, and how do they work
