3 Scientifically-Supported, Health Benefits , of Vitamin B12.br According to the Mayo Clinic, br Vitamin B12, also known as Cobalamin, .br is used in the formation of red blood cells, br nerve function and the creation of DNA. .br Poultry, meat, fish and dairy products are br among the best sources of Vitamin B12. .br Here are just 3 of the scientifically-backed br ways that B12 is good for you. .br 1. It May Help Prevent Osteoporosis.br A study published in thebr 'Journal of Bone and Mineral Research'br found that individuals with br higher levels of Vitamin B12...br ... also had higher bone mineral density.br 2. It May Improve Cognition.br A study published in the br 'American Academy of Neurology' showed br a link between B12 markers in the body...br ... and improved cognitive function and brain volume.br Another study linked lower levels br of Vitamin B12 with poorer memory br performance and learning ability.br 3. It May Reduce Depression.br Multiple studies have br found correlations between br B12 deficiency and depression. .br One study, published in the br 'Open Neurology Journal,' .br found that 100 of depressed individuals who were treated with Vitamin B12 supplementation showed a decrease in symptoms of depression after three months.br LifeHack.org recommends speaking br with your health care provider to br determine your own B12 levels.