Which vitamin deficiency causes skin darkening?

Author: Kyleigh Renner  |  Last update: Wednesday, July 9, 2025

The hyperpigmentation related to vitamin B12 deficiency is more common in darker-skinned patients. Few other cases of skin hyperpigmentation due to vitamin B12 deficiency have been reported in the literature. The mechanism of hyperpigmentation is due to increased melanin synthesis rather than a defect in melanin.

What vitamin can make your skin darker?

Vitamin D supplements do not directly cause skin darkening. However, sunlight is a natural source of vitamin D, and increased sun exposure can darken the skin. If you're concerned about skin changes, it's advisable to balance vitamin D intake through diet and supplements while practicing safe sun exposure.

Does vitamin D deficiency cause skin darkening?

Kaufman concluded that darker skin pigmentation is associated with lower serum 25-hydroxyvitamin D concentration. Serum vitamin D level also appears to be related to intake of vitamin D – rich foods and multivitamins containing vitamin D, but not self-reported level of sun exposure or use of sun protection.

Which deficiency causes darker skin?

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

Which vitamin deficiency causes skin tan?

Vitamin D. In some studies, Melasma has been associated with low levels of vitamin D. Vitamin D is important for skin health as it helps regulate skin cell growth and immune function. Sun exposure is a major vitamin D source, and vitamin D deficiency may affect the skin's ability to control pigmentation.

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Does B12 deficiency cause skin darkening?

The hyperpigmentation related to vitamin B12 deficiency is more common in darker-skinned patients. Few other cases of skin hyperpigmentation due to vitamin B12 deficiency have been reported in the literature. The mechanism of hyperpigmentation is due to increased melanin synthesis rather than a defect in melanin.

What vitamin helps you keep your tan?

Help with tanning

It is thanks to the synergy of several active ingredients that dietary supplements for tanning are effective. Among them, we often find beta-carotene, lutein, lycopene and even copper. Beta-carotene promotes tanning. Lutein and lycopene complement the action of beta-carotene.

What illness causes skin darkening?

Addison's disease: It causes patches of dark skin around skin folds or joints. Diabetes rash: If you have diabetes, you may develop discolored skin patches or spots. Medications: Some medications can cause your skin to lighten or darken. Cancer: Certain cancers or paraneoplastic syndromes can cause pigmentary changes.

How to flush vitamin D out of system?

But how do you flush vitamin D out of your system – and can you even do that? Yes, by ensuring you consume plenty of water. This will encourage urination, allowing your body to shed the excess vitamin D and calcium more quickly. Prescription diuretics like furosemide can also be helpful.

What vitamin makes your skin lighter?

Vitamin C aids in the brightening process by priming the skin cells and making them more susceptible to the effects of Glutathione. Additionally, research suggests that Vitamin C itself may possess some brightening properties.

Why is my skin turning dark?

Darker areas of skin (or an area that tans more easily) occurs when you have more melanin or overactive melanocytes. Bronzing of the skin may sometimes be mistaken for a suntan. This skin discoloration often develops slowly, starting at the elbows, knuckles, and knees and spreading from there.

What are 5 signs of vitamin D deficiency to not ignore?

Symptoms of vitamin D deficiency may include:
  • Fatigue.
  • Not sleeping well.
  • Bone pain or achiness.
  • Depression or feelings of sadness.
  • Hair loss.
  • Muscle weakness.
  • Loss of appetite.
  • Getting sick more easily.

Do people with darker skin lack vitamin D?

Sunlight is our main source of vitamin D. Groups at increased risk of vitamin D deficiency are: people with darker skin (including those from an African, African-Caribbean or South Asian background) those who are not often outdoors.

Which vitamin improves skin color?

Vitamin C is essential for an even skin tone and a glowing complexion. The daily requirement of vitamin C is 90 mg in men and 75mg in women in normal, healthy conditions. Citrus fruits such as lemons, tangerine, grapefruit, etc. Tomatoes, green and red peppers, green vegetables like broccoli, etc.

How to fix melanin deficiency?

Vitamin A, C and B12 are the most needed vitamins to increase the melanin production in your hair. Add citrus fruits like oranges, grapes, pineapple, and melon to your diet. Also eat vegetables like potatoes, carrots, beans, etc. Non vegetarians can try adding red meat, chicken liver, fish, and eggs to their diet.

Which fruit is good for skin whitening?

Citrus fruits like oranges, lemons, sweet limes, grapefruits, etc. can reduce melanin (pigment that gives your skin colour) expression and make skin brighter. Oranges, lemons and their peels can also be used to make an effective face mask.

What happens if I take 5000 IU of vitamin D3 every day?

In addition, taking a supplement that contains too much vitamin D can be toxic in rare cases. It can lead to hypercalcemia, a condition in which too much calcium builds up in the blood, potentially forming deposits in the arteries or soft tissues. It may also predispose people to painful kidney stones.

What cancels out vitamin D?

There are a few reasons why people can have trouble absorbing vitamin D. Some factors that may reduce or block its absorption include: Conditions such as celiac disease, chronic pancreatitis, Crohn's disease, and cystic fibrosis.

What are signs of too much vitamin D?

What are the symptoms of vitamin D toxicity?
  • Decrease in appetite.
  • Nausea and vomiting.
  • Constipation.
  • Dehydration.
  • Increased thirst (polydipsia).
  • Frequent urination.
  • Confusion, lethargy and fatigue.
  • Muscle weakness and difficulty walking.

Why is my skin suddenly going darker?

Your skin can develop darker patches as the result of excess melanin production, typically caused by skin inflammation, hormone fluctuations, and poor lifestyle choices. Age spots – also known as sun spots and liver spots – can also be signs of skin conditions, such as Melasma.

What drug makes your skin darker?

The incidence of this change varies, and depends on the type of medication involved. Some of the most common drugs involved are NSAIDs, antimalarials, psychotropic drugs, Amiodarone, cytotoxic drugs, tetracyclines, and heavy metals such as silver and gold (which must be ingested, not just worn).

What does your skin look like with Addison's disease?

Symptoms of Addison's disease include: Steadily worsening fatigue (most common symptom). Patches of dark skin (hyperpigmentation), especially around scars and skin creases and on your gums.

Which vitamin removes tan?

Even Vitamin C based masks can be applied at least twice weekly to lighten the tan. Vitamin C is an excellent anti-oxidant and helps in rejuvenating the underlying skin. Oral antioxidant supplements consumed once daily act as oral sunscreen and are a milder form of sun protection.

What can I eat to make my skin darker?

Beta-carotene, vitamins and polyunsaturated fatty acids for a healthy tan
  • tomatoes,
  • watermelon,
  • strawberries,
  • peppers,
  • peaches,
  • apricots,
  • cantaloupe,
  • carrots,

Why won't my skin tan anymore?

You may be surprised to learn that there is a limit to how much your body can tan in a day. Past that point, your body can't produce any more melanin. Meaning your skin won't get any more bronze or olive-hued, but it will still be susceptible to sun damage.

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