A vitamin B12 deficiency does not look to be a sign of cancer . However , research suggests that there might be an tie between vitamin B12 deficiency and cancer danger , particularlystomach andcolorectal cancer .

According to theAmerican Cancer Society , if a person has a vitamin B12 insufficiency due topernicious anemia , their risk of developing stomach genus Cancer is increased . insidious anemia is anautoimmune conditionthat affects the liner of the stomach , attack cells that make a substance hollo intrinsic factor ( IF ) . IF is necessary to imbibe vitamin B12 .

to boot , a2024 studyconsisting of 788 hoi polloi found that blue level of vitamin B12 are vernacular in those with genus Cancer . The authors state that low-down point of vitamin B12 were uncouth in other stage Cancer the Crab , particularly those with colorectal cancer .

Constrastingly , there is a2023 studythat indicate excessive uptake of vitamin B12 can increase the risk of developing colorectal genus Cancer .

It is of import to notice that theOffice of Dietary Supplementsstates that the grounds smother the relationship between vitamin B12 and Crab risk is varied .

Some research suggests a connexion between abject levels of vitamin B12 and an increase risk of Crab , and other enquiry suggests the opposite . There is also enquiry suggest that there is no linkup at all between vitamin B12 deficiency and cancer . More evidence is necessary to confirm whether low or high levels of vitamin B12 can influence cancer risk .

If a person is interested about their vitamin B12 intake , they can speak with a health care professional . The following outlines the recommend dietary allowance ( RDA ) for vitamin B12 :

meaning people require 2.6 mcg of vitamin B12 , and those who are nursing require 2.8 mcg .

Vitamin B12 principally come fromfish , meat , poultry , dairy , andeggs . Those on a diet that does not admit these foods may need to get vitamin B12 from bastioned intellectual nourishment , such as breakfast cereal andnutritional barm .