"People who really believe that that's the power of placebo." B12 has me like —@katyperry As a geriatrician at Mount Sinai Hospital in Toronto, Sinha said he commonly tests for B12 levels in patients "when we're assessing a person for dementia or a person with balance issues." Otherwise he said it's ineffective to take B12 supplements to prevent deficiency and there are even potential risks of over-doing it
These blood tests are billed separately from the injection and may not be included in the quoted price for the medication itself
However, vitamin B12 injection is by no means a standalone solution for losing weight
The absorption speed of B12 depends on the form you take, since methylcobalamin works faster than cyanocobalamin
In some cases, healthcare providers may recommend an initial series of injections to quickly raise B12 levels, followed by maintenance injections at regular intervals
Why Absorption Drops as the Dose Goes Up This detail surprises people, so it is worth spelling out