Vitamin B-12 - Mayo Clinic
网页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). Most people can get enough vitamin B-12 in the foods they eat.
Vitamin B12 Side Effects: Common, Severe, Long Term - Drugs.com
网页2023年11月15日 · Learn about the side effects of Vitamin B12 (cyanocobalamin), from common to rare, for consumers and healthcare professionals.
Too much B12 symptoms: What are the early signs of too much B12?
网页2024年1月10日 · Too much B12 is probably a common health condition that mostly affects people taking over-the-counter or prescription vitamin B12 supplements. Most people taking too much B12 will probably not experience symptoms. Early signs of too much B12 include mild diarrhea and itching.
Can Vitamin B-12 Cause Side Effects? - Healthline
网页2023年6月8日 · Taking too much can cause side effects like nausea, headache, dizziness, and in rarely, blood clots or cancer. Everyone needs vitamin B-12 , and most people get enough through...
Vitamin B12 Deficiency: Symptoms, Causes & Treatment
网页2024年8月1日 · If vitamin B12 deficiency is left untreated, it can cause lasting side effects that affect the nervous system and brain. More severe side effects of vitamin B12 deficiency include: Peripheral neuropathy. Degeneration of the spinal cord. Paralysis. Bowel incontinence and/or urinary incontinence. Erectile dysfunction. Depression. Paranoia …
9 Signs And Symptoms of Vitamin B12 Deficiency Women Should …
网页2018年5月10日 · The result of coming up short on vitamin B12 can be anything from intense fatigue to wonky vision. If the symptoms below sound familiar, ask your doctor to run a blood test to check your...
VITAMIN B12 - Uses, Side Effects, and More - WebMD
网页Taking vitamin B12 by mouth along with vitamin B6 and folic acid doesn't seem to prevent cataracts in females. It might even increase the risk of needing to have cataracts removed.
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