It has been experimented that plants do not contain vitamin B12, so individuals who follow a vegetarian diet, especially strict vegetarians who avoid all animal products, may not get enough B12 unless they consume fortified foods or supplements
It is a naturally occurring copper-binding tripeptide first isolated from human plasma, where its concentration declines markedly with age from roughly 200 ng/mL around age 20 to about 80 ng/mL by age 60, a decline that has been linked (correlationally) to the fall in regenerative capacity that accompanies aging
(Reference Shimizu, Hara and Hira21,Reference Radic, Mijovic and Tatalovic22)
With regular use, it leaves the skin looking smoother, brighter, and more radiant
10.2174/1567201815666180214143551 91 HernndezBarreraR.TorresAlvarezB.CastanedoCazaresJ.OrosOvalleC.MoncadaB