For example, PLP is required for the synthesis of neurotransmitters such as GABA and serotonin, for heme biosynthesis (through -amino levulinate synthase in red blood cell production), and for amino acid transformations
The answer is complicated
It is handled under controlled conditions as part of experimental workflows relating to biochemical and structural analysis
From a spectroscopic point of view, EtPhCbl is photolabile with a very low quantum yield of photoproducts, while PhEtyCbl is incredibly photostable
For many individuals, oral B12 supplements are ineffective due to such underlying conditions as: Pernicious anemia : People with this condition lack intrinsic factor, a protein required for B12 absorption in the small intestine
Benefits of Vitamin B12 Injections One of the most efficient ways to ensure optimal Vitamin B12 levels is through injections