More than likely the dates are there to cover producers back in case of reaction
Olivia does laser very thoroughly and takes her time to make sure she doesn't leave any part out
People with Medical Conditions Affecting Absorption: Conditions like pernicious anaemia , Crohns disease , celiac disease , and gastrectomy reduce the bodys ability to absorb B12 from food, making injections a more reliable option
They make eating less effortless
Always good to have a reason I have also had this happen when my folate was low , it may be worth you getting it checked I had self inject my B12 every 4 weeks for the last 20+ (cannot really remember how long accurately), and 2 months ago got a similar 'electric shock tingling' all over my body - head, face, arms, hands, legs, feet etc within a couple of minutes of injecting, which lasted about 3 seconds or so
One commenter requested we clarify what a hospital should encode when they have no remittance data from which to calculate the median allowed amount