Vitamin B12 deficiency is a common condition where your body doesn’t get enough B12 to keep your nerves, blood, and brain working properly.
🧠 Why B12 is important
Vitamin B12 helps with:
- Making red blood cells
- Keeping nerves healthy
- Brain function and memory
- Energy production
⚠️ Common symptoms of deficiency
🩸 Blood-related
- Tiredness / weakness
- Pale skin
- Shortness of breath
🧠 Nerve-related
- Tingling or numbness in hands/feet
- Balance problems
- Memory issues or confusion
😔 Other signs
- Mood changes (low mood or irritability)
- Sore tongue or mouth ulcers
In severe cases, long-term deficiency can cause nerve damage linked to conditions like Peripheral neuropathy.
🥗 Causes
- Not enough animal foods (vegetarian/vegan diet)
- Poor absorption in the stomach
- Age-related changes
- Certain stomach or gut conditions
- Long-term use of some medicines (e.g., metformin, acid reducers)
🍗 Food sources
- Meat, chicken, fish
- Eggs
- Milk and dairy products
Plant foods usually do not naturally contain reliable B12 unless fortified.
💊 Treatment
- B12 tablets or injections (depending on severity)
- Dietary improvement
- Treating absorption problems if present
🧠 Bottom line
👉 B12 deficiency is common but very treatable
👉 Early treatment prevents nerve damage and long-term issues
If you want, tell me your symptoms or diet, and I can help you figure out how likely B12 deficiency is in your case.
