Does B12 affect your face?

Author: Schuyler Cartwright  |  Last update: Friday, September 12, 2025

A vitamin B12 deficiency can lead to pale skin and yellowing of the skin, called jaundice. These changes in skin color can develop when a person's body is unable to produce enough RBCs.

Can B12 deficiency affect face?

The deficiency of vitamin B12 can cause specific skin manifestations, such as hyperpigmentation, vitiligo, angular stomatitis, and hair and nail changes [1].

What are the signs of too much B12?

High doses of vitamin B-12, such as those used to treat a deficiency, might cause:
  • Headache.
  • Nausea and vomiting.
  • Diarrhea.
  • Fatigue or weakness.
  • Tingling sensation in hands and feet.

What does B12 do to your skin?

Vitamin B12 plays a crucial role in skin health by providing essential nutrients for collagen production and by helping to maintain the skin's natural moisture balance. Vitamin B12 also helps to promote healthy cell growth, which can help to reduce the appearance of wrinkles and other signs of aging [1].

Can B12 deficiency cause wrinkles?

A Vitamin B deficiency can wreak havoc on your skin, causing acne, rashes, dry and flaky skin, cracked lips, and wrinkles.

Vitamin B12 Deficiency Weird Skin Findings (& Hair and Nails)

What are the worst symptoms of B12 deficiency?

Symptoms of vitamin B12 deficiency
  • mouth ulcers.
  • pins and needles (paraesthesia)
  • changes in the way that you walk and move around.
  • disturbed vision.
  • irritability.
  • depression.
  • changes in the way you think, feel and behave.
  • a decline in your mental abilities, such as memory, understanding and judgement (dementia)

What does a vitamin deficiency do to your face?

However, if you're deficient in certain vitamins, changes on your skin can be a tell-tale sign. Insufficient levels of Vitamin A and E can lead to acne formation on your face, whereas low levels of Vitamin B12 deficiency can make your skin look paler than ever.

What happens after you start taking B12?

Potential Risks and Side Effects

Any excess gets flushed out in urine. However, large doses of vitamin B12 that are required to treat deficiency may cause side effects such as nausea, vomiting or diarrhea, and some people may develop itching or skin rash.

Does vitamin B12 make your hair thicker?

However, vitamin B12 may give you the appearance of fuller and thicker hair because the increase in oxygen to hair follicles can help stimulate the replacement of lost strands. Vitamin B12 may also help give your hair an overall healthier appearance since intake of enough B12 is responsible for stronger hair shafts.

What to avoid when taking B12?

Avoid coffee and tea

Substances found in coffee and tea, such as tannins, can inhibit the absorption of B vitamins, including B12. Consuming these beverages around the same time as your B12 supplements may reduce their effectiveness.

What does a B12 rash look like?

The allergy can be triggered by taking vitamin B12 supplements because B12 contains cobalt atoms. Cobalt allergies most often develop in people exposed to it in eye makeup, tattoos, or industrial products, causing an itchy, red, scaly rash.

Why does B12 make my face break out?

By vitamin B12 supplementation in healthy individuals and in vitro experiments, we revealed that host vitamin B12 modulates the transcriptional and metabolic activities of the skin bacteria, leading to increased production of porphyrins, which induce inflammation in acne.

What organ is affected by B12 deficiency?

If vitamin B12 deficiency is left untreated, it can cause lasting side effects that affect the nervous system and brain. More severe side effects of vitamin B12 deficiency include: Peripheral neuropathy. Degeneration of the spinal cord.

Which vitamin is good for the face?

The Vitamin Blueprint to Radiant Skin
  • Vitamin A – The Anti-Aging Powerhouse. Vitamin A is a superstar when it comes to fighting signs of aging. ...
  • Vitamin C – Super Brightener. ...
  • Vitamin E – The Skin Protector. ...
  • Vitamin D – The Anti-Inflammatory Agent.

Does B12 help with grey hair?

A: While there is no conclusive evidence that Vitamin B12 can reverse grey hair, it may help prevent premature greying by supporting overall hair health. Adequate levels of Vitamin B12 contribute to healthy hair growth and may help maintain hair color.

Is it okay to take B12 every day?

You should be able to get all the vitamin B12 you need by eating a varied and balanced diet. If you take vitamin B12 supplements, do not take too much as this could be harmful. Taking 2mg or less a day of vitamin B12 in supplements is unlikely to cause any harm.

What happens if your B12 is too high?

There is no upper limit for vitamin B12 intake because consuming high levels does not cause problems.

What are the facial signs of B12 deficiency?

Skin lesions associated with vitamin B12 deficiency are skin hyperpigmentation, vitiligo, angular stomatitis, and hair changes. Cutaneous lesions that do not respond to conventional therapy can be an indication of vitamin B12 deficiency.

What vitamin does your face need the most?

There is evidence that vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin E, biotin, and the minerals chromium, iron, selenium, and zinc play important roles in maintaining skin heath. Additional supplementation may be helpful for specific skin conditions.

What vitamin deficiency causes a puffy face?

Redness and Swelling: Vitamin E Deficiency

"Redness and swelling, particularly around the eyes or cheeks, might signal a Vitamin E deficiency. Vitamin E is an antioxidant that helps protect your skin from damage caused by free radicals, and it also supports skin healing", said Dr Jagmohan.

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