after taking b12 injection side effects Vitamin B-12 Injection, 3,000 mcg/mL Rx only Sold in 100 mL or 250 mL vials Provides 3 The Benefits of Vitamin B12

Common symptoms of a vitamin B12 deficiency include: Tiredness Lethargy Feeling faint Breathlessness Less common symptoms include: Headaches Heart palpitations Altered taste Loss of appetite Ringing in the ears (tinnitus) Looking pale Sore mouth and tongue If it is left untreated you can end up with longer term problems including: Psychological problems such as depression, confusion, memory problems Nerve problems such as numbness, pins and needles, vision changes and unsteadiness A blood test can indicate if you have a B12 deficiency

doi:10.3389/fendo.2021.619176 Vitamin B12

Am J Dis Child

Some US formulations also use glycol-based carriers, which is a separate consideration for users who microneedle or have scalp sensitivity

week-0 baseline