一般的に知られていること

一般的に知られていること: Vitamin B12 is used by the body to form red blood cells and DNA and to keep nerve cells working normally; it is found almost entirely in animal foods and fortified products.
摂取が少ないとき: Low B12 status is commonly discussed in relation to tiredness, weakness, and tingling in the hands and feet, and is a more common topic for people eating plant-based diets and for older adults.
摂取が多いとき: Vitamin B12 has no established upper intake level, as the body does not store excess amounts from food, and it is generally considered to have low risk of harm.

出典: NIH ODS

参考摂取量

一般的な成人向けの参考値です。あなた個人の目標値でも、必要性の主張でもありません。

知っておきたいこと

People eating fully plant-based diets often discuss B12 from fortified foods or a supplement with a professional.