Sep 30, 2025 · You may have no symptoms despite having a low level of vitamin B12 in your body. Vitamin B12 deficiency can cause physical, neurological and psychological symptoms.

Oct 22, 2025 · Here, dietitians and science reveal telltale signs of a vitamin B12 deficiency. If the symptoms below sound familiar, ask your doctor to run a blood test and check your levels.

Dec 14, 2023 · Vitamin B12 is an important water-soluble vitamin that many people are deficient in. Here are nine signs and symptoms of vitamin B12 deficiency.

Apr 30, 2017 · 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.

Nov 9, 2025 · Vitamin B12 deficiency can cause fatigue, weakness, and tingling in your hands or feet. You can get B12 through your diet or supplements to treat symptoms.

Aug 13, 2025 · Taking doses of vitamin B-12 might cause: Headache. Nausea. Diarrhea. Weakness. Tingling sensation in hands and feet.

Aug 26, 2025 · If you have a vitamin B12 deficiency, you may have symptoms of anemia, problems with your nerves, and sensory issues. Many of these symptoms can be confused …

Sep 28, 2023 · Symptoms of vitamin B12, or folate, deficiency can include fatigue, lethargy, low mood, shortness of breath, and nerve problems. Treatment often involves dietary changes or …

To find out more about the possible signs and symptoms of vitamin B12 deficiencies, click on the body area buttons on the diagram below to see some of the most common symptoms affecting …

Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [5] Symptoms can vary from …