What am I lacking if I have GREY hair?

Author: Alisa Wiza  |  Last update: Tuesday, August 12, 2025

A review of research suggests that proper supplementation may reverse premature graying in those who are deficient in certain nutrients, including iron, vitamin D, and vitamin B12.

Which deficiency causes grey hair?

One of the most frequent causes of premature hair greying is a vitamin B-12 deficiency. Researchers have found that in persons whose hair has already begun to grey early, vitamin B-12 shortages frequently coexist with folic acid and biotin deficiencies.

Which vitamin is required to stop grey hair?

Premature graying may be reversed with vitamin B12 supplementation only if vitamin B12 deficiency is the cause. If you are graying due to other factors, such as genetics, zinc deficiency, and medications, your gray hair cannot be reversed.

Is grey hair a symptom of anything?

Illnesses that cause gray hair

The vast majority of people with gray hair have age-related graying. However, sometimes graying hair indicates an illness, especially if it occurs at a particularly young age. Health problems that may be heralded by gray hair include: vitamin B12 deficiency.

Does B12 reverse grey hair?

Both gray and white hair are the result of your hair losing its pigment. Your hair could be turning white due to a deficiency of vitamin B12. But it is a reversible condition, and consuming sufficient amounts of vitamin B12 can reinfuse your hair with pigment.

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Can grey hair turn black again?

It has long been thought that reversal of gray hair on a large scale is rare. However, a recent study reported that individual gray hair darkening is a common phenomenon, suggesting the possibility of large-scale reversal of gray hair.

Which fruits have B12?

A good source of B12, such as an apple, banana, blueberry, or eggs, should be added to improve B12 levels over time. However, for short term improvements in your levels you should start with medication.

Why is gen Z greying so early?

Dr Mahajan explains that vitamin and mineral deficiencies, along with hormonal imbalances, can contribute to premature greying. "Low levels of iron, copper, and Vitamin B12 are particularly associated with early greying.

Is gray hair stress?

Yes. Stress has been shown to speed up signs of aging — including gray hair. When you're stressed, your body has a fight-or-flight response and releases a hormone called norepinephrine. This causes the melanocytes — the cells that produce melanin — to move out of your hair follicles.

How to get melanin in hair?

Vitamin A foods

So, when looking for ways to improve melanin production in the body, including Vitamin A-rich foods is an absolute must. With enhanced cell differentiation, Vitamin A also promotes the production of melanocytes, which, in turn, triggers melanin production.

What is the average age to go grey?

The average age of onset of hair graying appears to be mid- to late forties; however, this varies with race, with the average age for Caucasians being mid-thirties, that for Asians being late thirties, and that for Africans being mid-forties.

Can low iron cause grey hair?

Reversible hypopigmentation of the hair can be seen in nutritional deficiencies protein-energy malnutrition and diseases of chronic loss of protein. Copper and iron deficiency also can cause graying of hair. A study reported significantly lower levels of copper in patients with PGH when compared to the control group.

Does caffeine cause grey hair?

While moderate caffeine consumption is generally safe, excessive intake may negatively impact hair health. Potential Effects of Caffeine on Hair 1. Hormonal Imbalance: Caffeine can disrupt hormonal balances, particularly affecting the thyroid gland. Hormonal changes can contribute to hair graying, thinning, or loss.

Can I reverse gray hair?

It's not possible to reverse or treat gray hair.

What hormone causes grey hair?

They found that noradrenaline, also known as norepinephrine, was key to stress-induced hair graying. By injecting noradrenaline under the skin of unstressed mice, the researchers were able to cause melanocyte stem cell loss and hair graying. Noradrenaline is produced mostly by the adrenal glands.

Are grey hairs unhealthy?

In rare cases, premature graying can be a sign of a medical issue, such as vitiligo (a condition that causes the skin to lose its pigmentation), pernicious anemia (in which the body has difficulty absorbing vitamin B12), or problems involving your pituitary or thyroid glands.

Can vitamin B12 stop gray hair?

A review of research suggests that proper supplementation may reverse premature graying in those who are deficient in certain nutrients, including iron, vitamin D, and vitamin B12.

Can low zinc cause grey hair?

The pathogenesis of graying is multifactorial such as genetic, environmental, and nutritional factors. The risk factor of premature graying is a deficiency of micronutrient serum such as zinc, copper, and selenium.

Why is grey hair so aging?

As we age, melanocytes decrease in number and less melanin is produced. Fewer melanocytes mean a lack of pigment in the hair, resulting in a silvery-gray color. Now the hair itself is not actually white; it is an optical illusion that results when light is refracted off the hair, creating a silver-like look.

What ethnicity gets GREY hair early?

Black people and individuals of African descent: you can expect to see grey hair in your mid-40s. White people: you are likely to go grey in your mid-30s. Asian people: your late-30s is when you begin to see grey hair. Latino and Hispanic people: you tend to start greying around your mid-30s.

Do avocados have B12?

There are ten major sources of vitamin B12 fruits. These are apples, bananas, oranges, mangoes, strawberries, guava, avocado, pomegranate, kiwi, and blueberries.

Can you take too much B12?

While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine. High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache.

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