These may include injection site discomfort or mild swelling, occasional headache, or mild fatigue, particularly with appropriate dosing and patient preparation including adequate hydration
Detection windows vary by test and protocol
Standard practice involves rotating injection sites among convenient locations (abdomen, thighs, upper arms) to prevent tissue damage while achieving systemic distribution
Unlike deficiency states, which produce well-characterised neurological and haematological symptoms, there is no clearly defined clinical syndrome associated with B12 excess from supplementation alone
Your doctor must ensure your B12 levels are checked before or during treatment
First, the presence of food actually stimulates the release of more stomach acid and powerful enzymes like pepsin to break it down