We do not recommend self-administering B12 or any supplementation without proper medical guidance, as unnecessary supplementation may mask underlying health issues
Further, NICE and the BNF says that if there are neurological symptoms present, then every other day injections are the recommended treatment, so all the points you make about B12 being stored and sufficient are not really relevant
Improved Sleep Quality : Adequate levels of B vitamins, including B6, are necessary for the synthesis of neurotransmitters involved in sleep regulation, such as serotonin and melatonin
Many users emphasize that while DIY approaches can be cost-effective, they should not compromise on safety and efficacy
Most often, the vein selected for the procedure will be in the patients arm (just below the elbow), the back of the patients hand, or in some circumstances, in the patients foot