We really need more information on this important topic: Why do some individuals need more frequent B12 injections than others
Needless to say, there seems to be evidence of both an association of low B12 and early greying, and a reversal of early greying following B12 supplementation
Some people experience feeling worse after receiving a vitamin B12 injection, which can be disconcerting when you expected improvement
Lang CA, Mills BJ, Mastropaolo W, Liu MC
256 Collectively, the Notch pathway undergoes dynamic rewiring in response to therapeutic pressure, reinforcing its role in resistance biology and validating its potential as a target for rational combinatorial interventions
The chart on your refrigerator prevents this, but only if you reference it at each escalation point