
Strong and healthy nails are an indicator of good health, but several factors can cause nails to become brittle and weak. These factors include nutritional deficiencies, chemical exposure, and chronic conditions. To strengthen nails, it is important to address the root cause, which may involve making changes to your diet and lifestyle. This includes staying hydrated, eating a nutrient-dense diet, and incorporating supplements like biotin and collagen peptides. Additionally, using nail lotions and oils can help moisturize and strengthen nails, making them less prone to breakage. It is also recommended to be cautious when using nail hardeners, as they can make nails too hard and brittle. Maintaining shorter nails and proper filing techniques can also contribute to stronger nails.
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What You'll Learn

Consume a nutrient-dense diet with adequate protein and calcium
Consuming a nutrient-dense diet with adequate protein and calcium is essential for maintaining strong and healthy nails. Nails are primarily made of a fibrous structural protein called keratin, which gives them their strength and resilience. Keratin also protects your nails from damage or stress. Eating a diet rich in protein is crucial for boosting keratin production and creating strong nails.
The recommended daily intake of protein is 0.36 grams per pound or 0.8 grams per kilogram of body weight. For a 150-pound person, this equates to approximately 55 grams of protein per day. Protein can be found in a variety of animal and plant-based sources, including meat, poultry, fish, eggs, dairy, beans, nuts, and seeds.
In addition to protein, consuming adequate calcium is believed to promote nail health. While there is limited scientific evidence to support this claim, many individuals taking calcium supplements report improvements in their nail quality, such as reduced brittleness and increased smoothness and growth rate. Nails do contain calcium, although at a much lower concentration compared to the skeleton.
It is worth noting that maintaining a well-rounded diet that includes various essential vitamins and minerals is vital for overall health, including nail health. For instance, vitamin C is essential for collagen production, which provides structure and strength to nails. Similarly, zinc plays a crucial role in cell growth and division, which is necessary for healthy nail growth.
In conclusion, consuming a nutrient-dense diet with sufficient protein, calcium, and other essential vitamins and minerals is key to promoting nail strength and overall nail health. By incorporating a variety of protein-rich and nutrient-dense foods into your diet, you can help support the growth and resilience of your nails.
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Take biotin supplements
While there is not much scientific evidence to support the use of biotin supplements for nail growth, some sources suggest that it may be beneficial for people with brittle nails. Biotin is a vitamin that helps your body turn food into energy, and most people get enough biotin through their diet from foods like fish and seeds. However, if you are biotin deficient, taking a supplement may help improve your nail health.
A recent study from Switzerland showed a 25% increase in nail plate thickness in patients with brittle nails who took biotin supplements. Out of 35 patients with brittle nails who took daily biotin supplements, 22 (63%) showed clinical improvement. This suggests that biotin supplementation may be an effective treatment for brittle nails in some patients.
It is important to note that biotin supplements can interfere with the accuracy of certain lab tests. Therefore, it is recommended to consult a healthcare professional before taking any supplements, especially if you have a chronic condition or are taking medication.
If you want to increase your biotin intake without taking supplements, you can focus on incorporating more biotin-rich foods into your diet. In addition to fish and seeds, other sources of biotin include nuts, legumes, eggs, and meat. A well-rounded diet that is nutrient-dense and high in protein can also help promote nail health.
By addressing any nutritional deficiencies and making changes to your diet and lifestyle, you may be able to strengthen your nails and improve their overall appearance. Remember to be patient, as it takes time for new, healthier nails to grow out.
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Stay hydrated
Staying hydrated is essential for nail health. Nails require adequate moisture to stay strong and flexible. When nails are dehydrated, they become brittle and are more prone to breaking, peeling, and snapping.
Drinking enough water throughout the day helps nails retain moisture. This is particularly important as water is a nail's "worst enemy" due to its tendency to swell the cuticle and separate the layers of keratin. Therefore, it is crucial to balance water intake with other moisture-retaining strategies.
To prevent nails from becoming too dry and brittle, it is recommended to apply oil to the cuticles and nails at least once a day, ideally 2-3 times a day, and always after washing your hands. Oils such as jojoba oil, almond oil, or emu oil are excellent for nourishing the cuticles and sealing in moisture.
Additionally, it is important to protect your nails from excessive water exposure. This can be done by wearing gloves when washing dishes or performing other chores that involve submerging your hands in water. Keeping your nails polished can also help create a protective barrier, reducing water absorption and preventing breakage.
While it is essential to stay hydrated by drinking enough water, it is equally crucial to support hydration by consuming a nutrient-dense and varied diet. A diet rich in protein, calcium, and biotin-rich foods such as vegetables, eggs, and nuts will promote nail health and strength.
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Use nail lotions and oils
Using nail and cuticle oils can be an effective way to strengthen nails. Oils such as jojoba oil, almond oil, and emu oil can be applied directly to the nail and the surrounding skin. This helps to nourish and moisturize the nail, which is essential for nail health. Without enough moisture, nails can become brittle and are more prone to breaking and peeling.
Applying oil to the nails and cuticles at least once a day is recommended, with some people applying it up to three times a day or more if needed. This can be especially beneficial after washing your hands, as water can be a nail's "worst enemy," causing the cuticle to swell and separate the layers of keratin. By sealing the nail with oil, you can help prevent this separation and keep the layers dense and stuck together.
In addition to using oils, some people also use nail lotions or creams to moisturize and strengthen their nails. These products can be applied in a similar way to oils and may contain additional ingredients that promote nail health.
While nail hardeners can be effective in the short term, they can also make nails too hard, leading to brittleness and breakage. This is because, like stainless steel, nails that are too hard will shatter when dropped, whereas nails with a little flexibility, like diamonds, will bend instead of snapping. Therefore, it is important to use nail hardeners with caution and ensure that your nails are also getting enough moisture to remain flexible.
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Keep nails painted
Keeping nails painted is a common practice, often done for aesthetic reasons. While it does not directly strengthen nails, it can help prevent breakage by adding a protective layer. However, it's important to note that nail polish is not a substitute for proper nail care and hydration.
When it comes to nail care, maintaining hydration is crucial. Nails, like any other part of the body, require adequate moisture to stay strong and flexible. Drinking enough water throughout the day helps nails retain moisture and prevents them from becoming brittle, which makes them more prone to breaking or peeling. Additionally, using nail and cuticle oils can provide extra moisture and nourishment to the nails and the surrounding skin.
While painted nails can add a layer of protection, it's important to give your nails a break from polish occasionally. Leaving nail polish on for too long can make nails more brittle over time. Removing nail polish with acetone-based removers can dry out the nails, so it's recommended to use cream or petroleum jelly afterward to restore moisture. Taking breaks from polish allows nails to repair and recover, ensuring they stay healthy.
To maintain nail health, it's essential to address any underlying causes of brittle nails, such as nutritional deficiencies or chronic conditions. Incorporating supplements like biotin, collagen peptides, and multivitamins can support nail strength, but it's always advisable to consult a healthcare professional before starting any new supplements. A balanced diet rich in nutrients and protein can also promote stronger nails from the inside out.
In summary, keeping nails painted can be a temporary solution to prevent breakage, but it's important to prioritize overall nail health through proper hydration, a balanced diet, and addressing any underlying causes of brittle nails. Combining these strategies will help promote stronger and healthier nails in the long run.
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Frequently asked questions
There are several ways to strengthen your nails, including:
- Maintaining a nutrient-dense diet with adequate protein, vitamins and minerals.
- Staying hydrated.
- Applying nail and cuticle oils.
- Taking a biotin supplement.
- Keeping nails painted.
Oils such as jojoba oil, almond oil and emu oil are all good options for nourishing the cuticles and nails.
While over-the-counter nail strengtheners can be effective in the short term, they can make nails too hard, causing them to shatter easily. Prescription strengtheners are a better option for long-term use.
It is recommended to keep your nails shorter and to file them gently in one direction only. You should also avoid nail polish removers that contain acetone, as these can cause dryness and peeling.
Weak nails can be caused by various factors, including nutritional deficiencies, chronic conditions or simply the use of your nails for tasks that require force. If you are concerned about the condition of your nails, it is recommended to consult a healthcare professional.











































