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Vitamin B12 deficiency anaemia occurs when a lack of vitamin B12 or folate causes the body to produce abnormally large red blood cells that cannot function properly.Vitamin B12 performs several important functions in the body, including keeping the nervous system healthy
The effects of a B12 shot usually last one to two weeks, but the vitamin itself can stay in your system longer
Recommend RS UK I've been buying vitamins here for over 8years
Bacteroides ovatus accumulates cobalamin due to BtuB upregulation
Nicotinamide is a form of vitamin B that provides vital nutrients
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