The following foods have the highest concentration of naturally occurring vitamin B12: There are plenty of natural sources of vitamin B12 that are available naturally for people to increase their levels via food instead of turning toward supplementation. Vitamin B12 deficiencies can have serious implications on health. Anyone with levels of 200 and 300 pg/mL is considered susceptible to deficiency whereas those with vitamin B12 levels of less than 200 pg/mL are considered deficient. Generally, the normal Vitamin B12 levels in a healthy individual range between 160 to 950 picograms per milliliter (pg/mL). Vitamin B12 levels in the body are detected by performing blood tests. Since no upper limit has been set for vitamin B12, it is alright to go up to 20 mcg dosages. Pro Tip: Vitamin B12 is important for preventing cardiovascular and cognitive damage to the body. Deficiencies in vitamin B12 are related to several neurological diseases and can improve neurological conditions even when the deficiency is not visible.

Vitamin B12 or Cobalamin is a neurotropic vitamin and contributes to the maintenance of a healthy nervous system. Although more research is needed to prove how vitamin B12 counteracts its effects of it on cognitive functions, it is shown to have no adverse side effects. High quantities of the chemical homocysteine are also associated with Alzheimer’s disease, dementia, and cognitive decline. Vitamin B12 helps with breaking down homocysteine and converting it into other substances that are more useful for the body.

When in excess, it is associated with the formation of clots and impairs normal blood vessel functions. One of the leading causes of heart diseases in humans is homocysteine, an amino acid that is useful in the making of proteins. Consuming optimum amounts of vitamin B12 has a lot of effects on the body.

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