Common side effects include: Injection site reactions mild pain, redness, swelling, or bruising at the injection site, typically resolving within a few days Headache usually transient and manageable with standard analgesia Nausea or dizziness particularly in the initial treatment phase Skin reactions including itching, mild rash, or acneiform eruptions Temporary urine discolouration red or orange urine is harmless and expected Diarrhoea or flushing usually mild and self-limiting In patients with severe megaloblastic anaemia, low potassium levels (hypokalaemia) may occur during initial intensive treatment, but this is uncommon in routine maintenance therapy
If youve been diagnosed with a vitamin B12 deficiency, be prepared to need shots for at least a month or two before noticing major improvements
Patients interested in fat loss, insulin resistance, or metabolic health should start with a medical review
Other foods high in this vitamin include clams, sardines, red meats, tuna, salmon, trout, and eggs
Stanton McHardy and Hua-Yu Leo Wang) at the Center for Innovative Drug Discovery, University of Texas San Antonio for the synthesis and supply of scaled batches of 5-amino-1-methylquinolinium
