
What we eat has a significant impact on our nail health. Nails are made of a protein called keratin, so it's important to ensure adequate protein intake to maintain strong nails. Biotin, zinc, and iron are also crucial for nail health. Certain foods, such as eggs, nuts, leafy greens, and fortified cereals, are rich in these nutrients and can support nail growth. Additionally, fatty acids, vitamin C, and collagen play a role in nail health, with salmon, oranges, and bone broth being recommended foods for their respective nutrient profiles. A well-rounded diet that includes a variety of vitamins and minerals is essential for achieving and maintaining healthy nails.
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What You'll Learn
- Eat eggs to get biotin, vitamin D, B12, and protein for nail thickness and strength
- Consume vitamin C to aid collagen production and keep nails strong
- Include iron-rich foods to prevent spoon-shaped nails and nail weakness
- Eat zinc-rich foods to support cell growth and repair for nail health
- Consume omega-3 fatty acids to prevent brittle nails and keep them moisturized

Eat eggs to get biotin, vitamin D, B12, and protein for nail thickness and strength
Eating eggs can help you get thicker and stronger nails due to their content of biotin, vitamin D, B12, and protein.
Biotin, also known as vitamin B7, is a water-soluble vitamin that supports various parts of the body, including the nervous system, liver, eyes, hair, and skin. It is also crucial for nail health. While biotin deficiency is rare, it is one of the best-known nutrients for nail strength, improving nail thickness and reducing nail splitting. One cooked egg contains 10 micrograms of biotin, and it is recommended to replace biotin daily.
Vitamin D is another essential nutrient for nail health. A deficiency in vitamin D can cause dry and brittle nails.
Protein is a critical nutrient for nail health as it aids in the formation of keratin, which is a protein found in nails. Consuming enough protein will help maintain strong, healthy nails.
In addition to these nail-strengthening nutrients, eggs also contain vitamin B12, which is required for the development of healthy red blood cells.
While eggs are an excellent food for nail health, it is important to note that raw egg whites contain avidin, a protein that binds to biotin and interferes with its absorption. Therefore, it is recommended to consume cooked eggs to ensure optimal biotin absorption.
Incorporating nutrient-dense foods like eggs into your diet can help improve the appearance and strength of your nails. Maintaining a well-rounded diet that includes other nail-healthy foods, such as salmon, berries, leafy greens, and nuts, can further promote nail growth and overall health.
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Consume vitamin C to aid collagen production and keep nails strong
Consuming vitamin C is essential for collagen production, which helps provide strength and integrity to your nails. Collagen is a protein that gives shape and structure to many tissues in the body, including the nails, hair, and teeth. As the body cannot produce vitamin C, it is important to include it in your diet.
Vitamin C-rich foods include citrus fruits such as oranges, strawberries, and kiwi, as well as bell peppers, green vegetables, and tomatoes. In fact, red bell peppers contain more than twice the vitamin C of an orange. Other good sources of vitamin C include nuts and seeds.
By including these foods in your diet, you can boost collagen production and promote strong nail growth. Vitamin C also acts as an antioxidant, helping to scavenge free radicals and keep your nails healthy.
In addition to vitamin C, consuming protein-rich foods is crucial for nail health. Nails are made of keratin, a protein that is also present in the skin and hair. Adequate protein intake helps boost keratin production, resulting in stronger nails. Good sources of protein include eggs, lean meats like chicken and turkey, fish, and plant-based sources such as legumes, beans, and nuts.
By focusing on a diet rich in vitamin C and protein, you can effectively support collagen production and nail strength, resulting in healthier and stronger nails over time.
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Include iron-rich foods to prevent spoon-shaped nails and nail weakness
Spoon nails are typically associated with anemia, or an iron deficiency. If you have this condition, your nails will appear concave either horizontally or vertically. Iron helps transport oxygen to the nail matrix, which may help with growth. An iron deficiency may cause brittle or concave-shaped nails (known as koilonychia) or vertical ridges.
To prevent iron deficiency, it is recommended that women between 19 and 50 years old consume 18 milligrams of iron per day. For women 51 and older, the recommended daily amount of iron is 8 milligrams. Pregnancy and lactation can also affect the amount of iron your body needs. Iron is best absorbed from meat and other animal foods but can also be found in dark, leafy greens, legumes, or fortified grains.
Foods that are rich in iron include:
- Meat and animal foods
- Dark, leafy greens
- Legumes
- Fortified grains
- Eggs
- Nuts
- Kale
- Arugula
- Watercress
- Spinach
- Collards
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Eat zinc-rich foods to support cell growth and repair for nail health
A well-balanced diet is essential for maintaining healthy nails. Nails, like the rest of the body, require a nutritious diet to thrive. Consuming healthier foods can improve the appearance of your nails. Zinc is a mineral that is essential for many of the body's normal functions and systems. It is also important to support normal growth and development during pregnancy, childhood, and adolescence.
Zinc-rich foods include oysters, which have the highest zinc content, as well as red meat, poultry, seafood, nuts, whole grains, and dairy products. For vegetarians, lentils, pumpkin seeds, cheese, and cashews are good sources of zinc. Fortified cereals also contain higher levels of zinc. Zinc is vital for normal immune system function, wound healing, bone growth, hormone production, and fetal development.
In addition to zinc-rich foods, there are other nutrients that support nail health. Protein-rich foods, such as lean meats, chicken, turkey, and fish, provide collagen and are crucial for nail health. Eggs are another excellent source of protein and biotin, which helps with nail thickness and strength.
Fatty acid-rich foods like salmon and flaxseeds promote healthy cell development and aid in the growth of healthy nails. Vitamin C, found in strawberries and other citrus fruits, is also essential for collagen production and strong nails. Overall, a balanced diet rich in vitamins and minerals is key to supporting nail health and promoting overall well-being.
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Consume omega-3 fatty acids to prevent brittle nails and keep them moisturized
Strong, healthy nails are a good indicator of a person's overall health, especially their diet. Nutritional deficiencies, dehydration, and exposure to harsh chemicals can all contribute to brittle nails.
To prevent nails from becoming dry and brittle, it is important to consume adequate omega-3 fatty acids. Omega-3 fatty acids are essential fats that cannot be produced by the body and must be obtained through diet or supplements. They are best known for their role in heart health and supporting cognitive function, but they also provide many benefits for nail health.
Omega-3 fatty acids help to lubricate and moisturize nails, giving them a shiny appearance. They also reduce inflammation in the nail bed, which promotes the health of the cells that give rise to the nail plate. This reduction in inflammation can lead to longer and stronger nails that are less prone to breakage.
Fatty fish like salmon, trout, mackerel, tuna, and sardines are some of the best sources of omega-3 fatty acids. For those who don't eat fish, vegan options such as algae oil, flaxseeds, chia seeds, and walnuts are also excellent sources of omega-3.
In addition to including these foods in your diet, staying properly hydrated is crucial for nail health. Water and hydrating liquids should be consumed throughout the day, along with hydrating foods such as fruits, vegetables, yogurt, and soups.
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Frequently asked questions
Consuming a variety of vitamins, minerals, and nutrients through food is the best way to improve and maintain nail health. Nutrient-dense foods are the key to strong nail growth.
Biotin-rich foods such as eggs, nuts, and seeds are great for nail growth. Meat, eggs, and nuts are also great sources of protein, which is essential for nail growth.
Carrots, pumpkins, and sweet potatoes are packed with vitamin A, which helps keep nails shiny and avoids dryness. Salmon is a great source of omega-3 fatty acids, which are necessary to prevent brittle nails and keep them moisturized.
Vitamin C, vitamin B12, and folate (vitamin B9) are important for nail growth and health.
Vertical ridges in your nails may be a sign of a magnesium deficiency. Nail discolouration may be a sign of a lack of vitamin B12. Spoon-shaped nails are a tell-tale sign of low iron.




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