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The Truth About Biotin For Nails: Does It Work?

by sarah kester - August 30, 2021

Biotin may be part of the vitamin B family, but it gets an A+ for its beauty benefits. This includes providing radiant skin, faster hair growth and strong nails. The latter is what we're focusing on today.

"Because one sign of biotin deficiency is brittle nails, biotin supplementation is often tried to strengthen brittle nails with varying results," explains Elizabeth Geddes-Bruce, a board-certified dermatologist at Westlake Dermatology. 

Got questions about biotin for nails? The beauty experts are serving the answers. Keep reading for more.

does biotin really work for nails?

Nails are more than included in biotin's beauty package. In fact, it's one of its specialties. 

According to Marcela Correa, Owner of NYC's Medi Pedi NYC and medical pedicurist, biotin comes loaded withprotein and amino acids – two things that support keratin production in the body. "Keratin isa type of protein that forms the cells that make up the tissue in nails," she tells Lively.

Celebrity manicurist,Elle, whose clients include Jennifer Lopez, Blake Lively and Kelly Ripa, adds that this B-complex vitamin helps cut down on the growth of free radicals in the body: “This aids in building strength in our hair, skin and nails.”

biotin for nails

how fast does biotin work to help nails? 

Since biotin reacts differently for everyone, there is no one-size-fits-all answer for how long biotin takes to work. If you have brittle nails to begin with, any underlying conditions or you're a nail biter (the cardinal nail sin and a major roadblock if you're trying to grow out long, strong nails),Dasha Minina, serial entrepreneur and Owner of Maxus Nails and Beauticial List, says that this can affect the length of results. 

As far as a rough timeline goes, this could be anywhere from 6-12 months, says Correa. Elle agrees, adding thatnails naturally regenerate every 4-6 months. More importantly though, be sure you're takingbiotin continuously to see results.

How much biotin should I take for nails?

According to the Mayo Clinic, some research has suggested that adding supplement that contains biotin may help strengthen weak or brittle nails.** And, while it's rare to be deficient in biotin, according to the Mayo Clinic, normal daily recommended intakes for adults is 30 to 100 mcg.

However, the FDA does not have a daily recommended dietary allowance for biotin. And since we can't offer individual medical advice, we recommend discussing your health goals with your licensed healthcare professional before adding any supplements to your diet.

Should you take biotin in the morning or at night?

This depends on your typical routine. You can add a biotin supplement, such as our new Vital Proteins® Beauty Gummies, which include vitamin A and biotin and contains a unique blend of beauty-centric nutrients to support healthy, hydrated skin, strong hair and nails, as well as a youthful appearance.**

However, you should check with your doctor before adding any supplements into your daily routine.

what foods have biotin for nails? 

There are several biotin-rich foods – and all from vastly different food groups – to keep your nails in tip-top shape. This includes egg yolks, nuts, milk, grains, salmon and cauliflower, says Elle.

Sweet potatoes, seeds, broccoli and mushrooms contain biotin as well, according to Correa and Grant. Don't worry about eating too much of these biotin-rich foods, either. Since biotin is a water-soluble vitamin, Elle says that your body does its job by naturally filtering any excess out.  

Vital Proteins® is your one-stop shop for all your collagen needs. Help support healthy nails** with any of Vital Proteins' collagen products. Looking for a plant-based option? Skip the collagen and reach for Beauty Boost. Each capsule contains biotin and vitamin C, as well as other essential vitamins for hair, skin and nail health.**

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