2 doctors weighed in:
Is taking vitamin B12 good for more energy?
2 doctors weighed in

Dr. Kenneth Cheng
Family Medicine
1 doctor agrees
In brief: No
Vitamin B12 is commonly thought of as a vitamin that improves energy.
This is a common misconception. Individuals who have B12 deficiency may become anemic causing tiredness. In these individuals, a B12 shot will improve anemia and thus improve energy. However, non-anemic individuals who receive a B12 injection will not have more energy.

In brief: No
Vitamin B12 is commonly thought of as a vitamin that improves energy.
This is a common misconception. Individuals who have B12 deficiency may become anemic causing tiredness. In these individuals, a B12 shot will improve anemia and thus improve energy. However, non-anemic individuals who receive a B12 injection will not have more energy.
Dr. Kenneth Cheng
Dr. Kenneth Cheng
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