Noah Sinclair
Strong and healthy nails require a variety of vitamins and minerals, including vitamins B, C, D, and E. Vitamin D helps regulate calcium levels, which is essential for nail growth and strength. While vitamin D deficiency is rare, it can lead to weak, peeling nails. Consuming vitamin D-rich foods such as eggs, salmon, and fatty fish, or taking supplements, can help strengthen nails and promote growth. Additionally, vitamin D from sunlight exposure may also contribute to nail health. A balanced diet, including plant-based sources of protein and iron, can also support nail growth and overall health.
| Characteristics | Values |
|---|---|
| Vitamin D and nail growth | Vitamin D can strengthen nails and encourage growth while decreasing weak peeling nails. |
| Vitamin D-rich foods | Eggs, salmon, and fatty fish |
| Other vitamins for nail growth | Vitamin B7 or biotin, vitamin B12, vitamin C, vitamin E |
| Other nutrients for nail growth | Iron, folate, calcium, omega fatty acids, collagen, protein |
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What You'll Learn
Vitamin D strengthens nails
Vitamin D can strengthen your nails and encourage their growth. It does so by regulating calcium levels, which helps your nails (and bones) grow strong. Vitamin D also helps decrease weak, peeling nails.
Vitamin D is found in eggs, salmon, and other fatty fish. The yolks of eggs are particularly rich in vitamin D, and also offer biotin and healthy fats. Salmon and other fatty fish are good sources of vitamin D because of the healthy fats they contain, which help you grow shiny, strong nails.
Vitamin D supplements are also available. One person who was prescribed vitamin D supplements by their doctor reported stronger nails after six days.
In addition to vitamin D, there are several other vitamins and minerals that contribute to nail health. These include vitamin C, vitamin E, vitamin B, calcium, iron, folate, and zinc.
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Vitamin D deficiency
Vitamin D regulates calcium levels, which is essential for nail growth and strength. Calcium keeps the nail bed healthy and supports nail growth. A deficiency in vitamin D can therefore lead to a lack of calcium, causing weak and brittle nails.
Vitamin D also helps to decrease nail peeling and ridging, which is often linked to an iron deficiency. Iron is important for nail health as it ensures oxygen is adequately carried to the nail beds.
In addition to vitamins, consuming enough protein is important for nail growth. Nails are made of a fibrous structural protein called keratin, and a diet rich in protein can help support nail growth and strength.
While diet can play a significant role in nail health, other factors can also impact nail growth. For example, age can affect nail growth, as the production of keratin slows down over time. Constant exposure to soap, cleaning chemicals, and sanitizers can also weaken nails and hinder their growth.
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Vitamin D food sources
While there is no direct evidence that vitamin D directly contributes to nail growth, vitamins are essential for overall health. Vitamin D is essential for health, but it can be hard to get enough of it from your diet.
- Fish, such as salmon, herring, sardines, and tuna
- Mushrooms, especially those treated with UV light
- Eggs
- Cod liver oil
- Fortified foods and beverages
In addition to vitamin D, other vitamins and minerals are important for nail health and growth. These include:
- Vitamin B12, found in animal foods such as meat, poultry, fish, eggs, and dairy
- Vitamin B9 (folate), which contributes to nail growth and health by forming red blood cells and developing new cells
- Iron, which is necessary for carrying oxygen to the nails and can be found in animal foods like beef, chicken, fish, and eggs, as well as plant foods like dark green leafy vegetables, peanuts, seeds, and beans
- Magnesium, which is involved in protein synthesis and is found in whole grains, specifically whole wheat
- Vitamin C, essential for the production of collagen, which gives shape and strength to nails, and can be obtained from citrus fruits, bell peppers, green vegetables, and tomatoes
- Zinc, required for the growth and division of cells, including nail cells, and can be obtained from various food sources
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Other vitamins for nail growth
While vitamin D may be linked to nail growth, there are several other vitamins that are known to promote nail growth and strength.
Vitamin C is essential for nail health. It is needed to produce collagen, a protein that gives nails their strength and structure. Vitamin C also protects cells from damage and helps with iron absorption. A deficiency in vitamin C can cause brittle nails and slow their growth. Citrus fruits, bell peppers, green vegetables, and tomatoes are all good sources of vitamin C.
Biotin, also known as vitamin B7, is another important vitamin for nail growth. It promotes healthy cell growth and aids in the metabolism of protein-building amino acids, which are essential for nail growth. Biotin supplements have been shown to strengthen brittle nails. Biotin can also be found in meat, eggs, fish, seeds, and nuts.
Zinc is a micronutrient that is required for the growth and division of cells, which is essential for nail growth as nails are made up of rapidly growing cells. Inadequate zinc intake can cause degeneration of the nail plate and white spots on the nails.
Folate, or vitamin B9, is also important for nail growth and health. It contributes to red blood cell formation and new cell development. A deficiency in folate can cause nail discolouration, ridges in the nails, and make them rigid and brittle. Foods such as beef liver, spinach, black-eyed peas, and fortified breakfast cereals are good sources of folate.
Additionally, vitamin B12 plays a role in iron absorption and red blood cell development. Both iron and B12 are necessary for keeping nails strong and healthy. A B12 deficiency can cause changes in nail pigmentation and structure. Vitamin B12 is primarily found in animal foods such as meat, poultry, fish, eggs, and dairy.
Magnesium is another mineral that is involved in protein synthesis, which is required for nail growth. A deficiency in magnesium may manifest as vertical ridges in the nails. Whole grains, specifically whole wheat, are a good source of magnesium.
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Calcium and vitamin D
Calcium-rich foods include dairy, nuts, leafy greens, and fish. Milk and other dairy products, such as cheese and yogurt, are considered the best sources of calcium. Some foods and drinks are fortified with calcium, including certain brands of juice, soy milk, oatmeal, and breakfast cereals.
Vitamin D can be obtained from sunlight and a well-balanced diet. However, due to geographical factors, the amount of sun exposure required for optimal vitamin D levels may not be safe for the skin, so supplements are often recommended. Foods that contain vitamin D include milk, orange juice, infant formula, yogurt, margarine, butter, cheese, and breakfast cereals, many of which are fortified with vitamin D.
Both calcium and vitamin D deficiencies can lead to serious health issues. A lack of vitamin D can cause osteoporosis, a condition characterised by weak, brittle bones and an increased risk of fractures. In children, insufficient vitamin D can lead to rickets, resulting in soft, weak, deformed, and painful bones. Calcium deficiency can also contribute to osteoporosis, as the body starts taking the required calcium from the bones, making them weaker over time.
It is important to note that while supplements can help address deficiencies, they may also have side effects and potential risks. For example, excessive calcium intake from supplements has been linked to kidney stones. Very high levels of vitamin D (above 10,000 IUs per day) can potentially cause kidney and tissue damage. Therefore, it is always advisable to consult a healthcare provider before taking any supplements to ensure they are safe and suitable for your individual needs.
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Frequently asked questions
Yes, vitamin D can strengthen nails and encourage growth while decreasing weak peeling nails. Vitamin D regulates calcium levels, helping nails grow strong.
Vitamin B7, also known as biotin, is often found in hair, skin, and nail vitamins. Vitamin B9, or folate, is important for nail growth and health by contributing to red blood cell formation and new cell development. Vitamin E is an ultra-hydrating oil that can help heal and promote new nail growth. Vitamin C is also essential for nail growth as it helps in the production of collagen.
Eggs are a good source of vitamin D. Fatty fish like salmon are also rich in vitamin D and healthy fats, which help grow shiny, strong nails.
If your nails are growing with ridges, it may be a sign of vitamin D deficiency. Vitamin D deficiency can also cause weak and peeling nails.
Iron, folate, and calcium are important for keeping nails strong. A B12 deficiency can cause blue or brownish nails with bluish-black pigments and wavy longitudinal dark streaks. Zinc is also required for the growth and division of cells, and a steady supply is needed to promote the healthy growth of nails.
