After an injection the serum B12 value rises quickly, well above the upper reference value (on average 150-700 pmol/L), followed by a slow decrease
An IV infusion is delivered in clinic and allows a higher dose to enter the bloodstream directly, which is why it is often chosen when a fuller, faster onset is the goal
They concluded that increased levels of circulating vitamin D were significantly associated with a reduced risk of migraines (106)
The higher the gauge number, the thinner the needle
Puzuka A, Alksere B, Gailite L, Erenpreiss J
Some patients may use it for 6-12 months to achieve a new, stable baseline of immune function, while many others choose to stay on a maintenance dose long-term to keep the autoimmune process in remission