Common Signs of Low Vitamin B12

Vitamin B12 is an essential nutrient that helps your body make healthy red blood cells, maintain normal nerve function, and produce DNA. When B12 levels become too low, symptoms can develop gradually and may sometimes be mistaken for stress, aging, or simply being tired.

1. Persistent Fatigue

Feeling unusually tired or weak is one of the more common signs associated with vitamin B12 deficiency. Because B12 is involved in red blood cell production, a deficiency can contribute to anemia, which may leave you feeling drained even after getting enough sleep.

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