2024年8月1日 · Vitamin B12 deficiency is a lack of vitamin B12 in your blood. It happens if you aren't eating enough vitamin B12 or if you have trouble absorbing it.

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 …

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 …

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.

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 …

The prevalence of vitamin B12 deficiency varies by cutoff level and biomarker used. For example, among adults age 19 and older who participated in NHANES between 1999 and 2004, the rate …

2024年6月29日 · Vitamin B12 Deficiency. If you think you might be low on B12, ask your doctor about getting a blood test to check your vitamin B12 level.

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 …

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.

A vitamin B12 level < 200 pg/mL (< 145 pmol/L) indicates vitamin B12 deficiency. The folate level is measured because vitamin B12 deficiency must be differentiated from folate deficiency as a …