For individuals sourcing either compound from unregulated online vendors, additional risks include contamination with unknown substances, incorrect dosing due to inaccurate labelling, and the use of non-sterile injection equipment, which can lead to serious infections including abscess formation or sepsis
As people age, the ability to absorb vitamin B12 from food often diminishes due to decreased stomach acid production
Without enough Vitamin B12, serious health problems can happen, so getting the right treatment quickly is very important
Serious side effects are rare but can include allergic reactions (rash, swelling, difficulty breathing) or, in very specific cases of severe anemia treatment, low potassium levels
The following comparison illustrates the practical cost difference for a typical patient on a monthly maintenance schedule: For patients with pernicious anemia or severe malabsorption where injections are clinically necessary, this cost is justified and often covered by insurance
The efficacy of a subcutaneous injection of soluble Vitamin B12 in lambs