It is also vital for red blood cell health, energy production and DNA replication and repair and has a role to play in breaking down the amino acid homocysteine, high levels of which have been linked to an increased risk of heart disease, stroke and dementia
while also helping to alleviate feelings of depression
The lack of intrinsic factor is most commonly due to autoimmune gastritis, which causes an autoimmune attack on the parietal cells that create it in the stomach
Mood shifts
Quick Absorption One of the main advantages of vitamin B12 injections is their ability to deliver the vitamin directly into the bloodstream, bypassing the digestive system
You have higher levels of the chemicals homocysteine and methylmalonic acid and reduced DNA synthesis, leading to neurological and psychological symptoms, such as confusion, mood swings, problems walking or talking, and irritability