If you are feeling exhausted, foggy, or not quite yourself, changes in your face may be worth noticing.
Vitamin B12 deficiency can develop slowly. Many people do not realise their levels are low until symptoms become more obvious. Busy routines, long work hours, vegetarian or vegan diets and missed health checks in Dubai can worsen the problem.
In this post, we will explore five facial signs that may be linked to low vitamin B12 levels.
Why Vitamin B12 Deficiency Appears on Your Face
Vitamin B12 helps the body make healthy red blood cells. It also assists nerve function and normal cell repair.
When B12 drops, the body may not carry enough oxygen as it should. Nerves may also become affected. Since the face has sensitive skin, small blood vessels, and many nerves, some signs can appear there first.
These signs are not always sudden. They may look like stress, poor sleep, dehydration, or aging. The concern is when several symptoms appear together or continue for weeks.
Let us explore the five facial changes due to vitamin B12 deficiency.
1. Paleness Around the Lips and Inner Eyelids
Pale skin can be one of the first visible signs of low B12.
When the body does not have enough vitamin B12, it may struggle to make healthy red blood cells. This can lead to megaloblastic anaemia. In this condition, red blood cells become larger than normal and do not carry oxygen efficiently.
As a result, this may make your face look pale or washed out.
One simple place to check is the inner lower eyelid. Gently pull it down and look at the colour. It should look pink. If it looks very pale or almost white, it is worth getting checked.
The same applies to the area around the lips and inside the mouth.
In Dubai, sun exposure can make the skin look more coloured than it really is. This can hide paleness on the face. That is why the inner eyelids, lips, and mouth can give a clearer clue.
2. A Sore, Swollen, or Smooth Tongue
Vitamin B12 deficiency can affect your tongue.
Some people develop glossitis, which means inflammation of the tongue. The tongue may look red, swollen, sore, or unusually smooth. This happens when the small bumps on the tongue, called papillae, become flatter.
You may notice discomfort when eating spicy food or drinking hot tea or coffee. Some people also feel a burning sensation even when they are not eating or drinking.
The National Institutes of Health lists glossitis and a burning or sore tongue as recognised clinical signs of vitamin B12 deficiency, often appearing before neurological symptoms develop.
If your tongue has looked or felt different for some time, do not assume it is only from acidity, hot food, or irritation. It may be useful to check your B12 level.
3. Yellowing of the Skin or Eyes
You should not ignore a slight yellow colour in the skin or eyes.
When red blood cells break down faster than normal, they release bilirubin. If bilirubin builds up, the skin and the whites of the eyes can start to look yellow. This is called jaundice.
Many people connect jaundice with liver problems. That can be true, but vitamin B12 deficiency can also play a role, especially when it causes megaloblastic anaemia.
The yellow colour linked with B12 deficiency may be mild. Some people describe it as a light lemon shade rather than a deep yellow colour.
If your eyes look slightly yellow in certain lighting, or your skin looks more sallow than usual, arrange a lab at home blood test with Vesta Care.
4. Cracked or Sore Corners of the Mouth
Cracks at the corners of the mouth are often blamed on dry weather, dehydration, or air conditioning. In Dubai, those can be common causes. But repeated cracking can also be linked to low vitamin B12.
This condition is called angular cheilitis. It causes redness, soreness, and small cracks at the corners of the lips.
The skin in this area repairs itself quickly when the body has enough nutrients. When B12 is low, repair may slow down. The corners of the mouth may crack, partly heal, and then crack again.
This can also happen with low iron or other B vitamin deficiencies.
If lip balm only helps for a short time and the cracks keep returning, ask for a basic nutrient status assessment at home.
5. Dull, Grey, or Tired Looking Skin
Low vitamin B12 can affect your skin renewal process.
The skin is always replacing old cells with new ones. When B12 levels are low, this process may slow down. As a result, the skin can look dull, grey, tired, or older than usual.
This kind of dullness may not improve much with sleep, water, or skincare products.
Some people may also develop darker patches on the skin. This can happen around the mouth, on the knuckles, or in skin folds. It may be more noticeable in people with South Asian or African backgrounds. These patches are sometimes mistaken for sun damage or melasma.
If your skin has changed and skincare is not helping, it may be better to get an essential nutrient status assessment instead of adding more products.
Who is More at Risk in Dubai?
Vegetarians and vegans have a higher risk because vitamin B12 is found mainly in animal-based foods. People who avoid meat, fish, eggs, or dairy may need regular testing or supplementation.
Older adults may also be at risk because the body can absorb B12 less efficiently with age.
People who take metformin for diabetes or proton pump inhibitors for acid reflux may also have lower B12 levels. These medicines can affect absorption in some people.
Many people simply do not test their B12 levels often. If you have not checked yours in the past year and you have some of these symptoms, it is sensible to arrange a blood test.
What to Do Next
Vitamin B12 deficiency can be diagnosed with a vitamin profile blood test.
Vesta Care offers home-based treatment depending on the cause and your B12 level. Some people improve with diet changes and oral supplements. For others, we may administer B12 injections, especially if their body is not absorbing B12 well from food or tablets.
Facial changes can improve once treatment starts, especially when the deficiency is found early.
Speak with Vesta Care's doctor on-call service who can assess you at home and advise on the right next step before starting treatment, especially if you have ongoing symptoms, medical conditions, or take regular medicines.
References
- Mayo Clinic. Vitamin B12 Deficiency — Symptoms and Causes.
https://www.mayoclinic.org/diseases-conditions/vitamin-deficiency-anemia/symptoms-causes/syc-20355025 - Johns Hopkins Medicine. Vitamin B12 Deficiency Anaemia.
https://www.hopkinsmedicine.org/health/conditions-and-diseases/vitamin-b12-deficiency-anemia - National Institutes of Health — Office of Dietary Supplements. Vitamin B12 Fact Sheet for Health Professionals.
https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/ - Harvard T.H. Chan School of Public Health. The Nutrition Source — Vitamin B12.
https://www.hsph.harvard.edu/nutritionsource/vitamin-b12
Frequently asked questions
Many people notice some improvement within four to eight weeks. Tongue soreness and paleness may improve first. Skin changes can take longer.
Many people notice some improvement within four to eight weeks. Tongue soreness and paleness may improve first. Skin changes can take longer.
Vegetarians and vegans have a higher risk because B12 is found mainly in animal-based foods. Regular testing and proper supplementation can help prevent deficiency.
Yes. Our vitamin profile blood test Dubai offers blood sample collection at home. The sample is usually sent to a laboratory for testing.
A serum B12 level below 200 pg/mL is often considered deficient. Levels between 200 and 300 pg/mL may be treated as borderline, especially when symptoms are present.
Sun exposure does not directly affect B12 levels. However, tanned skin can make paleness harder to notice. The inner eyelids, lips, tongue, and mouth may show changes more clearly.
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This article is medically reviewed by
