How does Vitamin B12 affect energy levels?

Answered by 1 Apollo Doctors

Dr Vasanthasree Nair

General Practitioner

MBBS
15+ Yrs

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B12 levels are involved with energy production in the body and the deficiency will lead to feeling low in energy

Dr. Vasanthasree Suggests...

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Answered 24/07/2025

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Hi, I have severe dark circles. I have tried retinol but it did not have much effect. My mother also has this problem but mine is more prominent. I do a computer job which worsens the situation. The dark circles are brown in color. Which tests should I undergo before taking any vitamin supplements?

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Hi doctor, I have been experiencing knee joint pain for the past six months. I feel pain mainly while running and climbing stairs. Initially, the pain was more severe, but it has now reduced, although there is still some discomfort. I consulted an orthopaedic specialist earlier and had an X ray done, which came back normal. He prescribed some pain relief medication, which helped reduce the pain. The issue started after I followed a strict healthy diet for two months. My recent blood report is also normal. Please suggest what I should do next.

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.