are b12 injections vegan Vitamin and Veganism – Sources & Dosage Vitamin B12 Injections for Vegans

"Vitamin B12 assists nerve health and cognitive function, possibly enhancing memory and mood control too." She also emphasizes that B12 supplements are vital for pregnant women to ensure healthy fetal development

PMID: 22950504

If you have a vitamin B12 deficiency, it can greatly affect your quality of life and the energy you have in general to live your day-to-day life

Besides, disruption of MTR reaction leads to insufficient supply of methionine and S-adenosylmethionine (SAM), which is essential for the myelination of myelin sheath, phospholipids and neurotransmitter synthesis, for maintaining brain and nervous system function.51 Furthermore, high levels of homocysteine due to vitamin B 12 deficiency are associated with an increased risk of atherosclerotic vascular disease, and this in turn may increase the risk of cognitive impairment or dementia