In most countries, the lower vitamin B12 range of what’s considered normal levels is too low (100-250), often missing severe deficiencies. People show signs of B12 deficiency even at higher levels, as deficiencies may begin to appear in the cerebrospinal fluid below 550.

2024年6月28日 · Left untreated, a vitamin B-12 deficiency can lead to anemia, fatigue, muscle weakness, intestinal problems, nerve damage and mood disturbances. The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms (mcg).

Vitamin B12 deficiency is a treatable condition that happens if you aren't consuming enough vitamin B12 in your diet or if your body isn't absorbing it properly. Vitamin B12 deficiency can cause physical, neurological and psychological symptoms. It can be …

2023年5月29日 · Low levels of vitamin B12 can cause problems with your nervous system and blood cell production. A simple blood test can tell you whether your levels are low. Find out more from the experts...

2024年1月9日 · The vitamin B12 level test checks how much vitamin B12 is in the body. The results can help doctors to determine if abnormal vitamin B12 levels are causing symptoms.

2024年3月19日 · Vitamin B-12 is an important vitamin for many bodily functions, such as brain health, blood cell production, and proper nerve functioning. There are several ways to test your B-12 levels....

2024年6月29日 · Vitamin B12 is essential for good health, but some people may not be getting enough. WebMD tells you about symptoms of a vitamin B12 deficiency and how it can be treated.

Vitamin B12 overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.

2024年9月10日 · Vitamin B12 deficiency can lead to hematologic and neurological symptoms. Vitamin B12 is stored in excess in the liver, decreasing the likelihood of deficiency.

Vitamin B 12 deficiency is a common cause of megaloblastic anemia, various neuropsychiatric symptoms, and other clinical manifestations. Screening average-risk adults for vitamin B 12...