A tolerable upper intake level (UL)the amount you can safely take without risk of severe side effectswas never set for it because it has a low potential for toxicity, and the body does not store it in excess (NIH-a, 2021)
Before starting vitamin B12 injections at Lifeline Primary Care, please inform your provider about your complete medical history and any allergies
Jada and her team
Do not self administer this supplement
Some research suggests low vitamin B12 levels are associated with higher body weight, but more research is needed in this area
Read the above section which details complications, side effects, and use of the supplements, while you are taking other medications and supplements, to ensure it is safe to use Vitamin B12 supplements, together with those medications