Another thought, related to my first comment, is that perhaps your brain is not correctly modulating the signals it is receiving
Oral supplements need to pass through the digestive system before they can get into your bloodstream, but a B12 injection goes straight to your bloodstream
Quick refresher: what B12 actually does Vitamin B12 (cobalamin) is a water-soluble vitamin involved in red blood cell formation, nervous system maintenance, and the methylation reactions that support energy metabolism
Scientists at Metabolic Pharmaceuticals in Australia took that fragment and modified it by adding a tyrosine residue to the front (N-terminus)
Published by Paul Soloviev on Q: Where can my clinic buy Vitamin D injections
Im not saying any of this to scare you or to concern you, but to simply bring to your attention that vitamin B12 deficiency is a big deal