7. Swollen, Tender Tongue


If you’ve noticed your tongue has become swollen, red and tender, you may have an early warning sign of vitamin B12 deficiency. Glossitis is the term for an inflamed tongue. Your tongue may appear smooth as it swells, and your papillae (the bumps that contain your taste buds) may become stretched. Difficulty eating and the loss of taste can lead to inadequate nutrition. Also, you may suffer from mouth ulcers, numbness, tingling, or a burning sensation in the mouth.

6. Fatigue


If you notice constant fatigue even when you have not been exerting yourself, vitamin B12 deficiency could be the culprit. Since vitamin B12 is instrumental in oxygenating the body, a lack of B12 means your organs are not receiving the oxygen they need. This can be a sign of pernicious anemia. Pernicious anemia occurs when the body is unable to absorb the vitamin B12 your body needs to form red blood cells. This could be due to a lack of intrinsic factor, a protein that aids in the absorption of vitamin B12.

5. Trouble Walking

Trouble Walking

Unexplained changes in balance and coordination can be a sign of vitamin B12 deficiency. It’s always a good idea to seek medical advice if you suddenly have a loss of balance or motor control. This may be due to vitamin B12 deficiency if you have a strictly vegan diet. Likewise, if you have had weight loss surgery, your body’s ability to absorb nutrients can be altered.

Related: 12 Signs of Vitamin Deficiency and How to Combat Them



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