Vitamin B12 is an important nutrient that keeps your nervous system and blood cells healthy. Many people don’t realize they are low in B12 — experts estimate 2% to 20% of people may be deficient.

Let’s look at the symptoms, who is at risk, and how to protect your health.

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Why Vitamin B12 Is Important

Vitamin B12 helps the body to:

✅ Protect nerves and brain function
✅ Produce healthy red blood cells
✅ Support DNA and cell growth
✅ Prevent anemia and fatigue

Without enough B12, the body and brain cannot work properly.

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Common Symptoms of Vitamin B12 Deficiency

1. Nervous System Symptoms

• Tingling or numbness in hands and feet

• Weakness or poor balance

• Memory problems or confusion

• Feeling dizzy or depressed

2. Blood-Related Symptoms

• Extreme tiredness

• Pale skin

• Shortness of breath

• Yellowish skin or eyes (in severe cases)

3. Mouth & Digestion Problems

• Red, swollen tongue

• Loss of appetite

• Weight loss

• Diarrhea or constipation

4. Eye Symptoms

• Blurry vision

• Trouble seeing in low light

• Vision loss (if untreated)

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Who Is Most at Risk?

You may need to pay extra attention to your B12 levels if you are:

• Vegetarian or vegan

• Over the age of 50

• Have digestive problems (Crohn’s, celiac)

• Have had stomach surgery

• Taking acid-reducing medication

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How to Increase Vitamin B12

You can raise your levels by:

✅ Eating B12-rich foods

• Meat

• Fish

• Eggs

• Milk and cheese

✅ Eating fortified foods

• Plant-based milk

• Breakfast cereals

• Nutritional yeast

✅ Taking supplements

Two common types:

• Cyanocobalamin – standard and affordable

• Methylcobalamin – easily absorbed by some people

In serious cases, doctors may recommend B12 injections.

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Final Thoughts

Vitamin B12 deficiency is common but easy to fix once you know the signs. If you often feel tired, weak, or forgetful, it’s worth getting your levels checked.

👉 A simple blood test can protect your brain, nerves, and overall health.

Always talk to a doctor before starting supplements.