vitamin b12 sublingual vs injection Igennus Complex 1000mcg, Methylated Methylcobalamin, Adenosylcobalamin & Hydroxocobalamin, High Absorption & Clean, 180 Servings, Sugar-Free & Vegan : Health & Household Vitamin B12 Injections vs. Supplements:

Sublingual B12 is generally very safe with minimal side effects

The effects of a single B12 injection typically last one to two weeks, though this varies depending on your baseline levels, metabolism, and overall health

Mechanism of Action: The NAD+ Preservation

[1] However, for pernicious anaemia or deficiency with neurological symptoms, intramuscular hydroxocobalamin is the recommended treatment in the UK

Follow-up appointments are scheduled as needed to monitor your progress and address any questions or concerns

Therefore, if youre getting shots regularly, you may build up a reserve that can last for several months to a year or more