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The best vitamins for nails. Expert opinion + ranking of 20+ products

What are the best vitamins for nails and what dietary supplements do you find them in?

Nina Wawryszuk - AuthorAuthorNina Wawryszuk
Nina Wawryszuk - Author
AuthorNina Wawryszuk
Natu.Care Editor

Nina Wawryszuk specialises in sports supplementation, strength training and psychosomatics. On a daily basis, in addition to writing articles for Natu.Care, as a personal trainer she helps athletes improve their performance through training, diet and supplementation.

Learn more about our editorial process

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Catherine Silver - Reviewed byReviewed byCatherine Silver
Verified by an expert
Catherine Silver - Reviewed by
Reviewed byCatherine Silver
Cosmetologist

Cosmetologist and linergist with extensive experience working with clients with a wide range of skin health needs and concerns.

Learn more about our editorial process

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Michael Tomaszewski - Edited byEdited byMichael Tomaszewski
Michael Tomaszewski - Edited by
Edited by
Michael Tomaszewski
Editor

Graduate of Journalism and Artes Liberales at the University of Warsaw. Since 2017, he has been working with the biggest portals in Poland and abroad as an editor. Previously worked for 3 years in one of the leading pharmaceutical companies - he knows the health and beauty industry inside out. In his free time, he most enjoys playing tennis or skiing.

Learn more about our editorial process

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Matthew Podlecki - Fact-checkingFact-checkingMatthew Podlecki
Matthew Podlecki - Fact-checking
Fact-checkingMatthew Podlecki
Natu.Care Editor

At Natu.Care, she educates about healthy lifestyles and debunks dangerous myths, contrasting them with the results of the latest scientific research. Additionally, she is interested in new technologies and their impact on health and everyday life.

Learn more about our editorial process

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The best vitamins for nails. Expert opinion + ranking of 20+ products
29 April, 2024
19 min
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Whether you like a classic manicure or a fiery red nail polish - the prettiest thing is, above all, healthy and well-kept nails.

A strong, smooth plate and moisturised cuticles without burrs are the beautiful adornment of our hands. Together with cosmetologist Katarzyna Srebr, we will advise you on how to nourish your nails and what to do if they are split and brittle.

The nails are a beautiful and beautiful decoration.

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From this article you will learn:

  • Which vitamins, minerals and other nutrients are most important for nails
  • .
  • What are the best nutritional supplements for nails
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  • How nutrient deficiencies manifest themselves on the nails
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  • How to care for your nails to say goodbye to brittleness, breakage and cracked cuticles
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See also other rankings:

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How to choose the best nail vitamins? Key criteria

Manufacturers prepare dietary supplements primarily based on tried and tested active ingredients, but sometimes they also add new and interesting compounds. Does this make sense?"

We have high standards for dietary supplements, so in compiling this list, we followed strict selection criteria:

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  • active ingredients and their effect on nails,
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  • no unnecessary cloggers in the formulation,
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  • price/quality ratio,
  • .

Find out which manufacturers have taken the greatest care in composing nourishing formulations for nails. 

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Ranking of the best vitamin formulations for nails

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The best nail supplements are:

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Below you will find a detailed analysis of the ingredients and commentary from cosmetologist  Catherine Srebr.

Best for hair

Glow Stories

Glow Stories
5.0
See price
in the Natu.Care shop
Product description

A dietary supplement containing vitamins, minerals and plant extracts thatósupport the skinóhand, hair and nails. The product is especially distinguished by the form of folate – it is Quatrefolic, whichós absorbed very well and is natural.

In addition to valuable vitamins and minerals, such as vitamin A, E, B3, B2 and biotin, the formula contains bamboo shoot extract, whichóry further enhances your beauty.

Pros and cons

A dietary supplement containing vitamins, minerals and plant extracts thatósupport the skinóhand, hair and nails. The product is especially distinguished by the form of folate – it is Quatrefolic, whichós absorbed very well and is natural.

In addition to valuable vitamins and minerals, such as vitamin A, E, B3, B2 and biotin, the formula contains bamboo shoot extract, whichóry further enhances your beauty.

Additional information

A dietary supplement containing vitamins, minerals and plant extracts thatósupport the skinóhand, hair and nails. The product is especially distinguished by the form of folate – it is Quatrefolic, whichós absorbed very well and is natural.

In addition to valuable vitamins and minerals, such as vitamin A, E, B3, B2 and biotin, the formula contains bamboo shoot extract, whichóry further enhances your beauty.

Active ingredients per daily serving: Quatrefolic (active form of folic acid), riboflavin (vitamin B2), niacin (vitamin B3), vitamin B6, biotin (vitamin B7), bamboo shoot extract, vitamin E, vitamin A, zinc, copper, L-cysteine, L-methionine (see product page for full composition)

Form: capsules, 60 pcs.

Daily serving: 1 capsule

Cosmetologist's comment:

A set of vitamins, minerals and amino acids that will holistically care not only for the nails, but also for the skin and hair. Of particular note is the active form of folic acid, Quatrefolic - the natural and most bioavailable form of folate. An additional benefit is the standardisation of silica, a valuable ingredient for strong nails and hair. The packaging is efficient - enough for two months of treatment.

Sundose Daily Glow

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Active ingredients: fish collagen, hyaluronic acid, coenzyme Q10, field horsetail extract, D-biotin, zinc, copper, vitamin A, vitamin C, manganese, omega-3 (full formulation on product page)

Form: sachets, 30 pieces

Daily serving: 1 sachet

Price: £229

Cosmetologist's comment:

Supplement filled to the brim with substances with proven beneficial effects on hair, skin and nails. The composition covers almost the entire demand for ingredients necessary for maintaining health. The most active substance affecting nails is D-biotin. Studies suggest that it contributes to the thickening of brittle nails.

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For Strong Nails° Smart Supplement

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For Strong Nails° Precision Formula .

Formula with biotin, zinc, vitamin B5, folic acid, field horsetail extract and collagen strengthens the nail plate and promotes faster nail growth.

See more

Active ingredients: biotin, zinc, vitamin B5 and folic acid (vitamin B9), field horsetail extract, collagen (full formulation on product page).

Form: capsules, 60 pieces

Daily serving: 2 capsules 

Cosmetologist's comment:

Sundose has prepared a well-considered formulation free of GMOs, preservatives, pesticides and dyes. The high dose of field horsetail extract is an irreplaceable source of silicon, which plays a key role for the condition of nails, hair and skin. The B vitamins are responsible for normal cell division, protein and fat metabolism and play an important role in immune processes. In addition to strengthening the nails, we can count on a better mood, increased performance and energy. Supplement suitable for people with lactose intolerance, celiac disease or limiting gluten in their diet.

Silicon is an essential element for growth, calcification and bone mineralisation. It is also used in the prevention of osteoporosis.

Silicon is also used in the prevention of osteoporosis.

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Bioactive Marine Collagen

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As many as 3 types of marine collagen, which will not only strengthen your nails, but also firm your skin and moisturise your hair from the inside.

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Active ingredients: marine collagen 100%

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Form: sachets to dissolve in water, 30 sachets

Daily portion: 1 sachet 

Cosmetologist's comment:

The supplement contains three types of collagen: I, II and III, the building blocks of bones, joints, tendons, skin and nails. The effects of the treatment include not only improving the condition of nails, reducing their brittleness and reducing splitting - hair and skin will also benefit. Collagen has been shown to increase the hydration and firmness of the epidermis, the immune system, support the digestive and circulatory systems and even increase energy!

The body's production of natural collagen decreases after the age of 25 and stops in women during the peri-menopausal period. In order to maintain health and beauty, care should be taken to continuously stimulate collagen production. The use of dietary supplements is one of the most effective forms of this stimulation.

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SOLGAR Hair, Skin, Nails

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Amino acids, minerals and vitamin C - a smart combination of ingredients that nourishes, strengthens and works for the whole body.

Active Ingredients: Methylsulfonylmethane (MSM), red algae powder, vitamin C, L-lysine (L-lysine HCl), L-proline, zinc, copper (see product page for full formulation)

Form: tablets, 60 pieces

Daily portion: 1-2 tablets daily

Cosmetologist's comment:

A supplement with a valuable composition that is an effective support for the condition of hair, skin and nails. Minerals and amino acids not only meet their needs, but will also take care of the proper functioning of the entire organism. Excellent value for money. The supplement is sufficient for 1-2 months of treatment, depending on demand.

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Vitamin C deficiency can cause brittle nails, as well as their slowed growth. This vitamin is an antioxidant we need, which is important in collagen production processes.

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More about vitamin C in the article: Vitamin C - what it is, properties, effects, deficiency.

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Merz Spezial

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A composition of 15 vitamins and minerals that supports nail health, delays skin ageing and nourishes hair.

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Active ingredients: vitamin C, niacin, vitamin E, vitamin B5, vitamin B6, vitamin B2, vitamin B1, vitamin A, folic acid, biotin, iron, zinc (see product page for full composition)

Form: 60 irritated tablets

Daily serving: 2 irritated tablets

Cosmetologist's comment:

A product that has been highly regarded for years. Rich in iron, zinc, biotin, vitamins A and C and B vitamins, elements essential in the fight for healthy and well-groomed nails. The manufacturer has used the innovative pharmaceutical formula MTS (Micro Targeting System), thanks to which as many as 15 beneficial substances are better absorbed and transported to their final destination.

Learn all about B vitamins from the article: B vitamins - properties, role, deficiency and sources.

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Himalayo Tibet Collagen Caps

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Well-absorbed, valuable hydrolysed collagen together with bio sea buckthorn extract for strong nail plate, firm skin and shiny hair.

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Active ingredients: hydrolysed marine collagen type I, bio extract of Tibetan sea buckthorn, type II collagen from shark cartilage (full formulation on product page)

Form: capsules, 100 pieces

Daily serving: 8 capsules

Cosmetologist's comment:

Collagen types I and II enriched with Tibetan sea buckthorn extract, an excellent source of vitamin C, is a nourishing combination for nails and hair. It is worth noting that the collagen contained in the capsules here is in a hydrolysed form - the easiest and most effective for absorption into the body. The relatively high recommended daily frequency of intake may be problematic - this makes the preparation slightly less effective, but still worth recommending.

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Revenal

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Bomb of nutrients for the beauty of your nails, skin and hair: vitamins, minerals, yeast and amino acids.

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Type: dietary supplement

Packaging: 60 tablets

Active ingredients per daily serving: bamboo shoot extract, p-aminobenzoic acid (PABA), choline bicinate, soy protein, inositol, brewer's yeast, sulphuric amino acids, biotin, pantothenic acid, niacin, iron, zinc, manganese, copper, folic acid, iodine, vitamin B12, vitamin B1, vitamin B6 (see product page for full composition)

Daily serving: 1 tablet

Cosmetologist's comment:

Plus for the presence of silica from bamboo extract, which is valuable for nails, in the formulation and its standardisation. The manufacturer provides information on how much of this silica there is - this increases its credibility. Revenalu has the advantage of yeast and sulphur amino acids, which build the structure of hair and nails. The B vitamins, iodine, inositol, biotin and iron - important for the condition and appearance of the nails - present in the formula are in a form that is well absorbed by the body.

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Vitamin Code RAW Zinc

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A vegan dietary supplement with a bomb of organic fruits and vegetables, vitamins and probiotic bacteria to strengthen nails, skin and hair.

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Type: dietary supplement

Packaging: 60 capsules

Engredients active ingredients per daily serving: vitamin C, zinc, fruit and vegetable blend RAW probiotic and enzyme blend RAW, mineral blend RAW, organic Spirulina RAW, organic Chlorella (see product page for full composition)

Dietary supplement.

Daily serving: 2 capsules

Cosmetologist's comment:

A dietary supplement with a complex, interesting composition. Noteworthy is the content of probiotic bacteria. A properly functioning microbiome produces B vitamins in our intestines, which are important, among other things, for the condition of the nails. A healthy bacterial flora promotes the absorption of MSM (organic sulphur), another mineral that is valuable for hair and nails. The composition also contains a good amount of zinc and vitamin C. The product is vegan, lactose-free and gluten-free.

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Health Labs Mani Me

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Eleven nutrients including biotin and silica, significantly promoting nail growth and condition.

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Active ingredients: L-proline, L-cysteine, field horsetail herb extract, nettle leaf extract, OptiMSM® methylsulfonylmethane (MSM), blueberry fruit extract, vitamin B5, zinc, manganese, biotin (see product page for full composition)

Form: capsules

Daily portion: 1 capsule 3 times a day

Cosmetologist's comment:

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The supplement is characterised by a high content of biotin, amino acids and plant extracts composed for healthy and strong nails. I recommend it for those struggling with brittle nails, slow growth, brittleness and split ends, and even onycholysis. ManiMe is an excellent support for B vitamin deficiencies.

Like more choice? Here are other good nail vitamins

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Rise&Shine

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Rise&Shine: Collagen (5000 mg) with Mango-Maracuja flavour

Rise&Shine is collagen (5000 mg) in mango-maracuja flavour. Proven formulation, great bioavailability and refreshing taste.

See more
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Cacao Bloom

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Cacao Bloom: premium collagen (5000 mg) with cacao content .

Cacao Bloom is premium collagen (5000 mg) with Dutch cocoa. A researched formulation, convenient dosage and an unforgettable taste.

See more
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BeastPink Marine Beauty

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This dietary supplement contains unique marine collagen extracted from NatiCol® fish as well as vitamins, minerals and hyaluronic acid.

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OstroVit Biotin

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Biotin drops - a valuable ingredient for nails, hair and skin in a convenient drop form.

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Insibe Marine Collagen

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A tasty and nutritious hair, skin and nail supplement with sea collagen and magnesium, vitamin C and zinc.

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My Best Pharm MyBestCollaGEN

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Innovative supplement with 3 types of collagen and up to 13 active ingredients to regenerate your hair, skin and nails.

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MyVita Collagen Skin&Hair

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Hydrolysed Norwegian collagen from Atlantic cod will not only take care of weakened nails, but also your hair and skin.

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Efime Aphrodite

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A carefully composed set of plant extracts from bamboo, nettle, field horsetail, as well as vitamins, minerals and amino acids.

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Biotic

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Prescription-free medicine with biotin - valuable for shiny hair, healthy skin and strong nails.

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APTEO Biotin

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Valuable for nails, hair and skin biotin in the form of lozenges.

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The most important vitamins and minerals for nail health

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What nutrients affect the condition of our nails?

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B vitamins

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This group of vitamins is involved in many key processes in the body. Your nails are particularly looked after by vitamin B12 (cobalamin) and B9 (folic acid). Vitamin B12 plays an important role in iron absorption and red blood cell development. 

Both of these compounds are essential for maintaining strong and healthy nails. Vitamin B9 is important for nail growth and health as it contributes to the formation of red blood cells and the development of new cells.

Biotin

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That's right, biotin (otherwise known as vitamin B7 or vitamin H) is one of the B vitamins, but it deserves special mention. It helps in the metabolism of protein-building amino acids, which are essential for nail growth. Research suggests that a diet rich in biotin strengthensand brittle and fragile nails.

Biotin - the queen among beauty vitamins.

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Read how it takes care of you in the article: Biotin - what it is, action, deficiency, expert opinion

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Zinc

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Zinc is needed for cell growth and division in our body. Nails are made up of cells that grow and divide rapidly, so a constant supply of zinc is needed to supportand healthy nail growth. Zinc is also essential for the production and function of hormones, abnormal concentrations of which can manifestand poor nail health.

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Important!

White spots on the nails can be a symptom ofand a deficiency of calcium or zinc in the body, but also result from, among other things, damage to the plate, skin diseases, allergies.

Iron

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Iron produces red blood cells that carry oxygen to the organs and every cell in our body, including the nails. Iron deficiencies impairand this important function. Deficiency of this element can lead to deformities of the nail plate (furrowing, concavity, 'spooniness').

Omega acids

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Omega acids have antioxidant and anti-inflammatory effects. They can reduce inflammation in the nail bed, which nourishes and supportsand the health of the cells that give rise to new plate. A deficiency of these fatty acids can result in dry and brittleand nails.

Collagen

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Type I collagen is a building block of, among other things, the nail plate. It affectsand the condition of the nail, as well as the skin around it. In one study  participants consumed collagen for six months. After this treatment, they reported an improvement in the condition of their nails and a reduction in the frequency of fractures.

Proteins

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Nails are made up of a fibrous protein - keratin. It is what gives the nails their elasticity and strengthens the plate. Consuming sufficient protein in the diet is essential to increase the production of keratin and thus create strong nails. The average person with average physical activity should consume 1.3g of protein per kg of body weightand. How much should you eat? Calculate!

Vitamin C

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This is a busy vitamin that has a multisystemic effectand on our body. While it improves wound healing, acts as an antioxidant and delays the ageing process, it still has time to produce collagen . This is the protein that gives shape, structure and integrity to many tissues and is the building block of nails, hair and teeth. Vitamin C is amazing!

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Interesting facts

It's unfair, but... men's nails and hair grow faster! The only exception is during pregnancyand, when the growth rate matches that of "men" or is even faster.

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When to take supplements and vitamins for nails?

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Support your nails when they need it. However, before starting supplements, do blood tests for vitamin and mineral deficiencies and test your thyroid hormone levels. Consult your doctor for the results.

Why get tested?

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  • Ensure yourself if and what deficiencies you have - you won't be supplementing blindly.
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  • By knowing what your specific deficiency is, you can save money and buy one rather than three dietary supplements.
  • If you have a deficiency, you'll be able to make the most of it.
  • Excess does harm! It's better to be sure of the nutrients your body needs.
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Deficiency testing

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For nail problems such as brittleness, splitting, brittleness, plate distortion, it is a good idea to carry out the following blood tests to determine the concentration of:

  • zinc,
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  • iron,
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  • ferritin,
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  • vitamin D3,
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  • vitamin B12,
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  • transferrin (transports iron in the blood).
  • .

Thyroid tests

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An abnormal concentration of thyroid hormones can manifest as deterioration of our nails.

Doing the following tests will give you a broad diagnostic picture and allow your doctor to more accurately identify the problem:

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  • thyroid hormones - TSH, FT-3, FT-4,
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  • extended morphology,
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The family doctor may make referrals for the following: blood count (basic or expanded), thyroid hormone TSH and FT-3, FT-4 - when such an additional test may be helpful in making the diagnosis of the disease. In addition, he may refer us for a serum iron determination.
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Dr Witold Tomaszewski.

Witold Tomaszewskidoctor of medical sciences

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A specialist endocrinologist can give you a referral for zinc, ferritin, vitamin D3 and B12 levels. You can also have these done in a private laboratory.

May be of interest to you:

Symptoms of vitamin deficiency seen on nails

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How can we recognise that we may be deficient in nutrients that are essential for, among other things, proper nail growth? Look out for these symptoms:

  • broken nails,
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  • splitting nail plate,
  • slow nail growth.
  • slow nail growth,
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  • deformation of the nail plate,
  • disfiguration of the nail plate
  • pigmentation, streaking,
  • .

Do you notice these symptoms in yourself? Make an appointment for a consultation or blood test.

Take care of your hands as a whole too. If you have cracked nail cuticles and 'burrs' - try home remedies like soaking your hands in warm castor oil, or buy a moisturising and oiling hand cream.

Take care of your hands too.

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Interesting fact

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The keratin (nail builder) you see is actually... deadand. Nails are formed  by dead cells, which the body removes as new cells "push out from under them".

How to take care of your nails? Advice from a cosmetologist

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In addition to a varied diet and supplementation, take the advice of cosmetologist Catherine Srebr and take comprehensive care of your claws! Try to do one of the things on the list below today.

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  1. Do not bite your nails. This weakens the structure of the plate, softens it and is unhygienic. This habit can be unlearned. Try nail polishes with a bitter aftertaste and look for other ways to relieve stress.
  2. Buy natural nails. Say goodbye to hybrids and gel and enhance the beauty of your natural nail plate, such as with a Japanese manicure.
  3. Remove polish with reason. Avoid nail polish removers with acetone, which dries out the plate.
  4. Moisturise, lubricate, pamper! Buy good hand and foot creams. Establish a massage ritual every evening, rubbing the cream thoroughly into your skin and nails. Relaxation and nourishment in one!
  5. .
  6. Purchase good quality conditioners and nail polishes. Consciously choose cosmetics. Avoid conditioners that have formaldehyde in their ingredients. This is a powerful preservative that initially strengthens and hardens nails spectacularly, but over time weakens them, dries them out and can lead to increased brittleness, onycholysis or nail disease.
  7. .

See also other rankings:

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Summary

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From this article remember:

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  • The best nail supplements have thoughtful formulations. Look for well-absorbed vitamins, minerals, amino acids, omega acids, and collagen in them.
  • The best nail health supplements are the ones that are the best.
  • If your nails are brittle, splitting or in poor condition, get blood tests. Your body is signalling that it needs support.
  • .
  • Take care of your nails from the outside in. Buy a good hand and foot cream. Take the time to massage and groom.
  • .
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FAQ

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. What vitamins are good for the nails?.

Vitamins that positively affect the condition and appearance of nails include B vitamins, biotin, zinc, iron, omega acids and proteins and collagen. An adequate supply of these ingredients in the diet promotes the growth of the nail plate, strengthens it, prevents it from splitting and nourishes the skin next to them.

. What is missing in the body when nails break?.

Breakable nails can signify endocrine disorders (e.g. hypothyroidism or hyperthyroidism) and vitamin and mineral deficiencies such as vitamin B12, vitamin A, vitamin E, zinc, iron. Examine thyroid hormones and address potential deficiencies of these nutrients with your diet.

. What pills to take to strengthen nails?

For nail strengthening, dietary supplements rich in valuable nail plate vitamins and minerals such as zinc, iron, B vitamins, amino acids, extracts from plants are best. Pharmacists' recommended pills for nail strengthening include:

  • Glow Stories tablets,
  • .
  • Sundose For Strong Nails tablets,
  • .
  • Bioactive Marine Collagen tablets,
  • .
  • Merz Spezial tablets for hair skin and nails,
  • .
  • Himalayo Tibet Collagen Caps collagen tablets,
  • .
  • SOLGAR Hair, Skin, Nails,
  • .
  • Revenal tablets,
  • .
  • Vitamin Code RAW Zinc tablets,
  • .
  • Health Labs Mani Me tablets,
  • .
. What remedy for weak nails?.

Good remedies for weak nails include Biotynox (an OTC tablet medicine with 5 mg of biotin), Zincas Forte (an OTC medicine with zinc ions), Vitaminum B Compositum (a medicine with B vitamins). Remember to always consult a doctor for supplementation and, above all, to diagnose the cause of weak nails.

. What are the causes of brittle nails?.

The most common causes of brittle nails are: hormonal disorders (e.g. thyroid disease), deficiencies of vitamins, minerals and amino acids important for the health of the nail plate, mechanical damage, nail biting, improper removal of hybrid nail varnish, use of conditioners with poor composition.

. What are the signs of split nails?.

Splitting nails are indicative of weakened nails for reasons such as:

  • hormonal disorders,
  • .
  • deficiency of vitamins and minerals,
  • .
  • inadequate diet,
  • .
  • nail biting,
  • .
  • frequent damage (e.g. from tapping on the keyboard),
  • .
  • improper removal of hybrid varnish,
  • .
  • use of conditioners with poor composition,
  • .
. What to do for split fingernails?.

For split nails, using good quality cheese or nail conditioners, getting a Japanese manicure and bathing nails regularly in castor oil will help. It's also helpful to vary your diet with vegetables and fruit and healthy fatty acids (well, stop biting your nails if you do).

. What vitamins are missing when nails split?.

When nails split, it may signal a deficiency of B vitamins, vitamins A and E and vitamin C. There may also be a lack of minerals valuable to the nail plate such as zinc, iron, calcium and silicon. Make sure to diversify your diet with foods rich in these nutrients.

. What for brittle and splitting nails?.

For brittle and splitting nails, the best products are cheeses and nail conditioners containing vitamin A, vitamin E, extracts (e.g. bamboo stem), oils (e.g. macadamia), silk proteins and silicon. Dietary supplements with nutrients valuable for nails are also helpful.

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.

Sources

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. See all.

Bragulla, H. H., & Homberger, D. G. (2009). Structure and functions of keratin proteins in simple, stratified, keratinized and cornified epithelia. Journal of Anatomy, 214(4), 516-559. https://doi.org/10.1111/j.1469-7580.2009.01066.x

Eckhart, L., Lippens, S., Tschachler, E., & Declercq, W. (2013). Cell death by cornification. Biochimica et Biophysica Acta (BBA) - Molecular Cell Research, 1833(12), 3471-3480. https://doi.org/10.1016/j.bbamcr.2013.06.010

Hexsel, D., Zague, V., Schunck, M., Siega, C., Camozzato, F. O., & Oesser, S. (2017). Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails. Journal of Cosmetic Dermatology, 16(4), 520-526. https://doi.org/10.1111/jocd.12393

Jarosz, Prof Dr n med M. (2020, December 3). Nutrition Standards 2020. National Center for Nutrition Education. https://ncez.pzh.gov.pl/abc-zywienia/normy-zywienia-2020/

Nail Changes Associated With Thyroid Disease. (n.d.). Retrieved March 16, 2023, from https://www.mdedge.com/dermatology/article/256823/hair-nails/nail-changes-associated-thyroid-disease

Pfeiffer, C. C., & Jenney, E. H. (1974). Fingernail White Spots: Possible Zinc Deficiency. JAMA, 228(2), 157. https://doi.org/10.1001/jama.1974.03230270017005

Pullar, J. M., Carr, A. C., & Vissers, M. C. M. (2017). The Roles of Vitamin C in Skin Health. Nutrients, 9(8), Article 8. https://doi.org/10.3390/nu9080866

Singal, A., & Arora, R. (2015). Nail as a window of systemic diseases. Indian Dermatology Online Journal, 6(2), 67. https://doi.org/10.4103/2229-5178.153002

Szyszkowska, B., Łepecka-Klusek, C., Kozłowicz, K., Jazienicka, I., & Krasowska, D. (2014). The influence of selected ingredients of dietary supplements on skin condition. Advances in Dermatology and Allergology/Postȩpy Dermatology and Allergology, 31(3), 174-181. https://doi.org/10.5114/pdia.2014.40919

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Wu, G. (2016). Dietary protein intake and human health. Food & Function, 7(3), 1251-1265. https://doi.org/10.1039/C5FO01530H

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Editorials

Meet the team
Nina Wawryszuk - Author

Natu.Care Editor

Nina Wawryszuk specialises in sports supplementation, strength training and psychosomatics. On a daily basis, in addition to writing articles for Natu.Care, as a personal trainer she helps athletes improve their performance through training, diet and supplementation.

Catherine Silver - Reviewed by

Cosmetologist

Verified by an expert

Cosmetologist and linergist with extensive experience working with clients with a wide range of skin health needs and concerns.

Michael Tomaszewski - Edited by

Editor

Michael Tomaszewski

Graduate of Journalism and Artes Liberales at the University of Warsaw. Since 2017, he has been working with the biggest portals in Poland and abroad as an editor. Previously worked for 3 years in one of the leading pharmaceutical companies - he knows the health and beauty industry inside out. In his free time, he most enjoys playing tennis or skiing.

Matthew Podlecki - Fact-checking

Natu.Care Editor

At Natu.Care, she educates about healthy lifestyles and debunks dangerous myths, contrasting them with the results of the latest scientific research. Additionally, she is interested in new technologies and their impact on health and everyday life.

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