
Strong and healthy nails are an indicator of overall health. Nails that are brittle, misshapen, or have white spots could indicate a vitamin or mineral deficiency. Vitamins and minerals are essential for nail growth and strength, and different vitamins provide different benefits. For instance, vitamin C helps in collagen production, keeping nails strong and accelerating growth. Vitamin D regulates calcium levels, strengthening nails and encouraging growth. Biotin, also known as vitamin B7, promotes healthy cell growth and aids in the metabolism of protein-building amino acids, which are essential for nail growth. Vitamin B9 is important for nail growth and health by contributing to red blood cell formation and new cell development. A deficiency can cause discolouration and make nails brittle.
| Characteristics | Values |
|---|---|
| Vitamin Name | Biotin (Vitamins B7 and H) |
| How it helps | Promotes healthy cell growth, aids in the metabolism of protein-building amino acids, and helps restore brittle nails |
| Foods containing Biotin | Eggs, beans, nuts, seeds, avocados, salmon, and other fatty fish |
| Other vitamins for nail health | Vitamin A, Vitamin B9, Vitamin C, Vitamin D, Vitamin E, Iron, Magnesium, Calcium, Collagen |
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What You'll Learn

Vitamin B7 (Biotin)
Vitamin B7, also known as biotin, is a water-soluble vitamin that has gained popularity for its claimed benefits on nail growth and strength. It is involved in multiple metabolic pathways and is essential for various body functions. While biotin is often included in hair, skin, and nail vitamins, there is limited research to support its efficacy in promoting nail growth in healthy individuals.
Biotin is naturally present in many foods we eat and most people obtain adequate amounts through a healthy diet. It can be found in eggs, beans, and other protein-containing foods. Additionally, adult daily multivitamins and prenatal vitamins typically contain 100% of the recommended daily value for biotin.
Despite the limited evidence of its effectiveness, some individuals report improvements in nail growth and overall nail health when taking biotin supplements. It is important to note that biotin supplementation may be more beneficial for individuals with underlying pathologies for poor nail growth.
While biotin is marketed as a supplement for nail health, it is important to consult a healthcare provider before starting any new supplement. They can assess for any deficiencies and provide personalized recommendations to support your nail health journey.
In addition to biotin, maintaining a nutritious diet that includes a variety of fruits, vegetables, nuts, seeds, and adequate protein is essential for promoting nail growth and strength.
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Vitamin C
Consuming vitamin C-rich foods alongside plant-based iron sources improves iron absorption. Iron is needed to provide your cells with adequate oxygen, which is necessary for healthy nails. If you have an iron deficiency, the shape and appearance of your nails can be affected.
In addition to vitamin C, other vitamins and minerals play a role in nail health. These include biotin, vitamin E, alpha-tocopherol, vitamin A, retinoids, retinol, retinal, silicon, zinc, iron, copper, selenium, and vitamin B12.
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Vitamin E
The use of vitamin E oil for nail care should be approached with caution if one is undergoing treatments involving blood thinners, statins, or certain chemotherapy drugs. It is recommended to consult a doctor before incorporating vitamin E oil into your nail care routine in such cases.
Some individuals have reported using vitamin E oil in combination with other treatments, such as biotin supplements and a healthy diet, to promote nail health. However, it is important to note that vitamin E oil might not always be effective for everyone.
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Vitamin D
Biotin, also known as vitamin B7, is also important for nail health. It promotes healthy cell growth and aids in the metabolism of protein-building amino acids, which are essential for nail growth. Biotin-rich foods include organ meats, egg yolk, dairy products, yeast, salmon, avocado, sweet potato, nuts, seeds, and cauliflower.
Other vitamins and minerals that are good for nail health include vitamin A, vitamin B, iron, zinc, calcium, magnesium, and omega-3 fatty acids. A healthy diet that includes a variety of fruits, vegetables, nuts, and seeds can help promote nail growth and strength, as well as adequate protein intake and omega-3 fatty acids.
In addition to a nutritious diet, practical nail care is also important for healthy nails. Avoiding harsh chemicals, limiting moisture exposure, and maintaining a gentle, regular manicure regimen can help complement a nutrient-rich diet for optimal nail health.
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Vitamin B9 (Folate)
Vitamin B9, also known as folate, is an essential vitamin that plays a crucial role in nail health and growth. It contributes to the formation of red blood cells and supports the development of new nail cells. A deficiency in vitamin B9 can lead to nail health issues, including changes in nail pigmentation and texture, making them rigid and brittle.
Vitamin B9 is naturally found in a variety of foods, particularly dark green vegetables, citrus fruits, beans, peas, lentils, nuts, seeds, and avocados. By incorporating these foods into your diet, you can ensure adequate intake of vitamin B9 to support nail growth and overall nail health.
The recommended daily intake of folate for adults is 400 mcg, although pregnant women may require a higher amount. It is always advisable to consult with a healthcare professional or a nutritionist to determine your specific needs and to ensure you are getting sufficient amounts of this vital vitamin.
In addition to vitamin B9, other nutrients that contribute to nail health include biotin (vitamin B7), vitamin C, iron, and zinc. These nutrients work together to promote strong, healthy nails and support overall nail growth. A well-rounded diet that includes a variety of fruits, vegetables, nuts, seeds, and adequate protein is recommended for optimal nail health.
Supplements are also available to support nail health and strength. However, it is important to address any underlying nutrient deficiencies and to prioritize a balanced diet to achieve the best results for your nails.
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Frequently asked questions
There are several vitamins that can help nails grow faster and stronger, including vitamin A, vitamin B (especially B7 and B12), vitamin C, vitamin D, and vitamin E. Biotin, collagen, and omega-3 fatty acids are also important for nail health.
Foods that are rich in vitamins and nutrients that promote nail growth include:
- Fruits and vegetables (especially oranges, strawberries, peppers, broccoli, and vegetables that are orange or yellow in color)
- Beans, legumes, and nuts (which are also good sources of biotin)
- Meat, poultry, fish (especially salmon), eggs, and dairy (for vitamin B12 and collagen)
- Whole grains (for magnesium)
Yes, there are many nail supplements available that contain vitamins, collagen, and biotin to promote nail growth and strength. However, it's important to note that supplements will only make a difference if you are already lacking the vitamins they contain, and they are not a substitute for a healthy diet and lifestyle.



















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