Vitamin B12 is an essential nutrient that plays a vital role in the normal functioning of the brain and nervous system, supports the formation of healthy red blood cells, and is crucial for effective metabolic processes, including the conversion of food into energy
To read more on this, see our article: Vitamin B Complex
Because B12 supports healthy cell production, the deeper benefits to nerve function continue to build slowly over this period
Nasal sprays are also available for vitamin B12
In an attempt to assess the impact of this fortification, Brito and colleagues (29) assessed the effect of a single intramuscular injection of 10 mg vitamin B-12 (plus 100 mg vitamin B-6 and 100 mg thiamin) in 51 Chilean asymptomatic vitamin B-12deficient older adults on changes in vitamin B-12 status determined by a combinedvitamin B-12 (c-B12) index, a calculated measure that combines the 4 blood biomarkers of vitamin B-12 status: total vitamin B-12, holotranscobalamin (holoTC), tHcy, and MMA (48)