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Many brands sell vitamins for hair, skin, and nail health. These products contain various ingredients that might help prevent hair loss, hydrate the skin, and strengthen the nail cuticle. Some are also suitable for vegans and free from gluten and artificial colors and preservatives.

This article looks at some potential benefits of hair, skin, and nail vitamins and products available from online providers. It also discusses factors that can help a person choose the right vitamins.

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Hair, skin, and nail vitamins contain the following ingredients:

  • Vitamin A: This vitamin can prevent skin dryness that could lead to infections. Supplements may be effective in reducing the risk of skin, breast, and lung cancer. It can also support sebum production, which prevents hair breakage. However, a 2017 study found that oversupplementation of vitamin A can lead to hair loss.
  • Vitamin C: This can be beneficial for wound healing. According to an older study, doctors may recommend vitamin C supplements for people who are recovering and have low vitamin C levels.
  • Vitamin E: A 2016 article states that vitamin E has anti-inflammatory properties and can reduce skin thickness and edema. It can also protect the skin from UV radiation.

Some products also contain biotin. A 2015 study reviewed the effects that an oral marine protein supplement containing biotin and other ingredients had on women who had thinning hair. The researchers found that the 90-day treatment led to hair growth and decreased hair shedding.

In addition, hair supplements may include the following ingredients in their formulas:

When choosing supplements, a person may wish to consider some factors, including:

  • Pricing: Some brands offer a one-time purchase price, while others have a subscription-based service.
  • Benefits: People can choose a product that targets hair health or works on the hair, skin, and nails.
  • Ingredients: The product label indicates what ingredients it contains. A person can also choose supplements that are suitable for vegans and free from gluten and genetically modified organisms GMOs.
  • Testing: It is advisable to look for companies that use third-party laboratories to test their products.

Please note that the writer of this article has not tried these products. All information presented is purely research-based and correct at the time of publication.

Persona: Hair, Skin, and Nails

For hyaluronic acid

Persona has a vitamin specific for hair, skin, and nails. It combines hyaluronic acid and marine collagen, which the company claims will promote healthy skin and scalp.

The Persona website states that this capsule does not contain GMOs.

Persona is a vitamin subscription service. Customers complete an assessment and receive a personalized supplement plan. This plan is fully customizable, and an individual can add and change what they receive whenever they like.

The company also states that the factory that produces the product handles wheat, soy, lactose, corn, eggs, shellfish, fish, nuts, peanuts, gluten, and sesame. Therefore, it cannot guarantee that cross-contamination will not occur.

The company offers some details on research that backs up its formulas. Moreover, it tests the product at each production stage. However, it does not mention third-party testing.

Pricing varies between packages, but this vitamin starts from $0.70 per day.

Persona Borage with Saffron

For borage oil

This capsule contains borage oil, which is a fatty acid that helps maintain the skin’s protective barrier to help prevent skin damage from environmental stress and dehydration. It is also non-GMO.

According to Persona, this product can provide a smoother complexion, support mood, and curb hunger.

It also includes gamma-linolenic acid and saffron extract.

Moreover, the company states that research backs up its formulas and that it tests the product at each production stage. However, it does not mention third-party testing.

Pricing varies between each package, but this supplement starts from $0.16 per day.

Care/of Keratin

For keratin

This product helps support nail growth and hair fullness and shine. Care/of claims that this supplement comes from free-range sheep wool in New Zealand.

One capsule contains 500 milligrams (mg) of keratin, and it is non-GMO, gluten free, and suitable for vegetarians.

Care/of recommends that individuals take these supplements with meals for complete absorption.

In addition, the platform offers a monthly subscription. It provides a questionnaire for people interested in using these products, which helps identify suitable vitamins.

A person can cancel or pause their monthly subscription at any time.

Care/of highlights some research about keratin on the website but does not say whether it tests the products.

A 30-day supply costs $18.

Care/of Vegetarian Collagen

For vegetarian collagen

Care/of Vegetarian Collagen comes from the membrane of chicken eggshells, and it is non-GMO, gluten free, and suitable for vegetarians.

Each capsule contains 300 mg of eggshell membrane, and the company recommends taking these supplements with breakfast or lunch.

Collagen is a natural protein present in these vitamins. It helps support skin hydration and elasticity, as well as hair and nail growth.

Care/of highlights some research about vegetarian collagen on the website. However, it does not say whether it tests the products.

A 30-day supply costs $15.

Hum Runway Ready

For black currant seed oil

Hum Nutrition stocks a combination package of three daily pills: two soft gels and a capsule that a person should take with food.

The company claims that these pills strengthen hair and nails, promote fullness of hair, and contribute to healthy and hydrated skin.

The supplements contain black currant seed oil to support hydrated skin and stronger hair. Other ingredients include vitamin E and vegan biotin, which promote shiny-looking hair and glowing skin and strengthen hair, nails, and cuticles.

In addition, the product is gluten free and non-GMO and contains no artificial sweeteners or colors.

According to the company website, customers should take 1 packet with food every day.

Hum Nutrition is a subscription-based platform. A person completes a questionnaire and receives recommendations on the vitamins that may benefit them.

Hum states that independent labs have verified this product for potency and that triple testing has affirmed its purity.

A 30-day supply costs $36.

Hum Hair Sweet Hair

For zinc

Hum sells these vegan berry gummies that promote healthy, strong hair and encourage growth. The gummies are chewable, and a person can consume them at any time.

Biotin is one of the main ingredients, supporting hair, skin, and nail health. The gummies also contain zinc, which prevents hair loss, as it promotes healthy hair follicles.

The other ingredient present in Hair Sweet Hair is fo-ti, which stimulates hair growth and maintains color.

Hum states that independent labs have verified this product for potency and that triple testing has affirmed its purity.

A 30-day supply costs $26.

Revly Hair, Skin, and Nails complex

For biotin

Revly is an Amazon brand that offers this vegan-friendly, gluten-free product.

The complex comes in a bottle of 90 or 130 capsules containing 2,000 micrograms of biotin and 300 milligrams of methylsulfonylmethane.

The manufacturer claims that the complex helps maintain healthy hair, skin, and nails and can support brain function and energy metabolism.

Revly states that the product does not contain artificial colors, flavors, or chemical preservatives.

The recommended dosage is 1 tablet per day.

A bottle of 90 capsules costs around $10.16 on Amazon.

There is limited scientific evidence on the benefits of hair, skin, and nail vitamin supplements.

A 2020 study found that vitamins available to buy over the counter at retail stores may not be safe for people, as they can interact with other drugs and lead to overuse. Some supplements may not include a pregnancy warning label stating that individuals who are pregnant should consult a doctor before taking any medications or supplements.

The Food and Drug Administration (FDA) does not have the authority to approve supplements. As a result, it recommends that people use noncommercial sites when looking for this type of products.

It is advisable to look for supplements that have undergone testing by third-party laboratories and to avoid buying supplements if the label says that they do not cause any side effects or that they provide more benefits than a prescription drug.

Below, we answer some of the most common questions about hair, skin, and nail vitamins:

How long does it take hair, skin, and nail vitamins to work?

Manufacturers often claim that it will take several months of daily use before a person begins to notice any changes in their hair, skin, or nails.

However, it is important to note that there is little scientific evidence to support the benefits of hair, skin, and nail vitamin supplements.

Do hair, skin, and nail vitamins help hair grow?

There is limited research to suggest that hair, skin, and nail vitamins are effective. A person should consider seeking guidance from a doctor before purchasing supplements.

What are the side effects of hair, skin, and nail vitamins?

According to a 2020 study, further research into the side effects of hair, skin, and nail supplements is necessary. However, some potential side effects include:

There is also a risk of supplements interacting with medications. A person should consider consulting a doctor before taking any supplements.

Many companies in the United States sell vitamins and supplements that claim to help maintain healthy hair, skin, and nails.

There is not enough research on the benefits of these supplements, and people should seek medical advice before buying this type of products.

Other factors to consider before buying include ingredients and pricing.