As a naturally occurring amino acid consumed in food daily, toxicity concerns are minimal
Like most treatments, vitamin B12 injections carry warnings that patients should be aware of, including: Hereditary Optic Nerve Atrophy: People with early Lebers disease (a hereditary form of optic nerve atrophy) should not receive cyanocobalamin injections, as rapid and severe vision loss has occurred
It is a co-factor for methionine synthase, an enzyme involved in the methylation cycle, which is crucial for the metabolism of amino acids and the production of neurotransmitters
Some people might do well on lower doses of oral B12, but its important to watch and adjust
Caveolin-1 is found in particularly high abundance in adipose tissue, and it is strongly induced during the differentiation of 3T3-L1 fibroblasts to mature adipocytes (107)
Abrupt discontinuation often leads to rapid weight regain as appetite returns to baseline or even overshoots temporarily