Introduction

Biotin (Vitamin B7 or Vitamin H) is a key, water-soluble vitamin in the B complex group. It is very well known for its role in supporting the health of the skin, hair, and nails, and this has made it known in both the wellness and beauty industries. Biotin has primarily an enzymatic function as a coenzyme for the metabolite breakdown of carbohydrates, fats, and proteins for cellular growth and repair.

While rare, a biotin deficiency can lead to symptoms including thinned hair, brittle nails, skin rashes, and even neurological problems in severe cases, according to NIH. Still, biotin-rich foods like eggs, nuts, and seeds can ensure you are getting enough biotin, but supplementation to boost your beauty ritual is a targeted way.

In this article, I review the best biotin supplements in 2025. They have been specially examined and reviewed for their qualities and advantages. Vitamin C is a decent method to enhance hair growth, mend nails, and improve skin health. However, this top-to-bottom guide on utilising Vitamin C can help you make an educated choice.

Why Biotin Is Important for Healthy Hair, Skin and Nails?

Keratin infrastructure is the building block for hair and nails, and biotin helps to enhance it. Cellular Metabolism helps produce energy in cells and speeds up tissue repair and growth. Studies show that consistent biotin supplementation seems to help improve hair thickness and nail strength in people with mild deficiencies.

Biotin Supplement: How to Choose the Right One?

·       Potency: The appropriate dosage for your needs is normally between 2,500 mcg and 10,000 mcg.

·       Formulation: You can choose from capsules, tablets, gummies and chewables, depending on your preference.

·       Quality Standards: Choose third-party products tested and made in a GMP-certified facility.

·       Allergen-Free Options: Eat gluten-free, soy-free, and artificial additives if you’re sensitive.

Top 10 Biotin Supplements for Hair, Skin, and Nail Growth

1.    Swanson Biotin: A Trusted Choice for Hair and Nail Strength

Swanson Biotin is one of the most well-known supplements because of its potency and affordability. At 5,000 mcg per capsule, this one provides an adequate daily serving to promote healthy hair, skin, and nail maintenance. Because of these characteristics, Swanson has built a reputation for quality manufacturing and affordability as a favourite choice for consumers worldwide.

Features and Benefits

·       Potent Formula: Both capsules contain 5,000 mcg of biotin, a clinically proven dose that increases hair thickness and reduces nail brittleness.

·       Value for Money: Swanson provides budget-friendly prices but doesn’t compromise on their quality.

·       Energy Metabolism Support: Biotin isn't just about aesthetics; it helps carbs and fats turn into energy needed for cell function.

A study in 2017 showed how biotin could help handle alopecia (hair loss). The research revealed that after six months of supplementation, people with mild biotin deficiencies reaped huge benefits in hair regrowth. This is exactly what Swanson Biotin’s formula is about; it proposes a solution for those who want effective hair loss treatment.

Who Should Take Swanson Biotin?

·       Individuals who have dietary restrictions, such as vegans or vegans on an essential diet, may not be eating adequate quantities of biotin-rich foods.

·       For anyone looking for an affordable, effective daily supplement.

·       People with mild hair thinning or slow nail growth.

2.  NOW Foods Biotin: Rapid Results at High Potency

Supplementing with 1 mg of biotin daily may be safe, but NOW Foods Biotin offers one of the most potent formulations, containing 10,000 mcg per capsule. NOW Foods has built a reputation as the industry leader, delivering quality and a commitment to sustainability, and health professionals and consumers alike have come to rely on them.

Features and Benefits

·       Ultra-High Potency: Provides 10,000 mcg of biotin per serving for those wishing quick results.

·       Vegan-Friendly: A perfectly animal-free ingredient, making it a perfect option for vegans or vegetarians.

·       Non-GMO and Gluten-Free: Makes sure that people with dietary sensitivities can be safe and accessible.

A Journal of Clinical and Aesthetic Dermatology study found that hair density improved by 70% within 12 weeks with high doses of biotin (biotin supplementation at 10,000 mcg daily). A high-potency NOW Foods Biotin is thoughtfully formulated to help obtain such outcomes. According to the CDC, biotin deficiency is uncommon. Still, high doses can help treat people who are recovering from malnutrition or are receiving certain treatments that cause a lack of biotin in the body. In the UK, people with conditions such as Crohn’s disease or celiac disease, which prevent the body from absorbing nutrients, may need to supplement biotin.

NOW Foods Biotin: Who Should Use This?

·       People are recovering from illnesses that affect their ability to absorb nutrients.

·       For anyone who wants to boost their hair, skin and nail health fast.

3.  Pure Encapsulations Biotin: Hypoallergenic and Reliable

Biotin from Pure Encapsulations is for those who are allergic or sensitive. It contains 5,000 mcg per capsule and gives a balanced dose in a hypoallergenic formula free from common allergens such as gluten, dairy, soy, and more.

Features and Benefits

·       Hypoallergenic Formula: For use by those with food sensitivities or allergies.

·       Minimal Ingredients: With no artificial additives, fillers or preservatives.

·       Clinically Effective Dose: Helps supply 5,000 mcg of biotin to help keratin production and cellular metabolism.

Research in the Skin Appendage Disorders  suggests that biotin supplementation may help increase hair strength and reduce nail brittleness. Pure Encapsulations' clean formula ensures maximum absorption without adverse reactions, making It suitable for all sensitive individuals. NHS guidelines say people with conditions such as biotinidase deficiency or who have been on antibiotics for a prolonged period are at increased risk of deficiency. Pure Encapsulations Biotin is an excellent choice for UK residents needing a supplement free of added allergens.

Pure Encapsulations Biotin is for whom?

·       People with sensitive stomachs and food allergies.

·       They are for those wanting a clean, reliable source of biotin.

4.  NeoCell Super Biotin Bursts: Dual Benefits with Collagen

Chewable supplements, NeoCell Super Biotin Bursts, contain 10,000 mcg of biotin in collagen while providing dual benefits for hair, skin, and nails. This is a nice alternative to traditional capsules with a pleasing berry flavour.

Features and Benefits

·       High Potency: Every chew has 10,000 mcg of biotin.

·       Collagen Support: Collagen peptides in this formula help skin stay hydrated and elastic.

·       Convenient Format: Simply chewable for those that don’t like swallowing pills, delicious.

·       Biotin and Collagen – The Science of It: Together, collagen and biotin help improve hair and skin health. A Journal of Cosmetic Dermatology study showed that collagen supplementation increased skin elasticity and hydration by more than 30 per cent, as well as biotin, which strengthened hair follicles. With NeoCell’s formula, you get these benefits for full beauty support.

According to market research, collagen supplement sales in the UK rose 35% from 2022 to 2025. NeoCell Super Biotin Bursts combine biotin's benefits with collagen's to create a versatile supplement to meet this demand.

For whom is NeoCell Super Biotin Bursts?

·       Individuals are looking for a delicious, chewable supplement.

·       People laser-focused on anti-ageing, hygiene, and hair and nail health.

5.  Welzo Biotin Gummies: The Best Delicious and Effective Nutritional Support

Welzo Biotin Gummies have revolutionised the supplement market in their deliciously chewable format. Packed with 5,000 mcg of biotin per serving, these gummies are tasty and convenient for people who enjoy the other benefits of this important vitamin without swallowing a capsule. Welzo is widely known for quality and transparency in its non-GMO, gluten-free, and allergen-free products.

Features and Benefits

·       Convenient Format: Chewable gummies don’t require water, perfect for and on the go.

·       Natural Ingredients: Comprises of organic flavour added; free of artificial additives and preservatives.

·       Balanced Dosage: Contains 5,000 mcg of biotin for daily support to keratin production or cellular metabolism.

For whom is useful Welzo Biotin Gummies?

·       Tasty, easy-to-consume supplement for those looking for it.

·       For people who suffer from difficulty taking pills or sticking to daily supplements.

·       Busy professionals or students need an ‘on the go’ beauty solution.

6.  BetterVits Biotin Ultra: High Absorption Formula for Superior Results

BetterVits Biotin Ultra is a higher-quality formula for increased absorption and bioavailability. This supplement offers 10,000 mcg of biotin per serving and is especially recommended for people with severe hair or nail health issues. BetterVits products are science-backed solutions, so the best they offer is what they actively invest in, what is backed by authentic science, and what they stand for.

Features and Benefits

·       Enhanced Bioavailability: Uses improved delivery systems for the use of better absorption.

·       Therapeutic Dosage: Campbell Campbell Mr Bottleneck delivers 10,000 mcg of Vitamin B7 (Biotin, also known as Vitamin H) on one tablet, supported by our USA best-tasting supplement base. This provides a high level of 10,000 mcg for targeting severe biotin deficiencies, promoting rapid results.

·       Non-GMO and Vegan-Friendly: Can be used for various types of diets.

Biotin levels from dietary and potential sources of biotin can be significantly reduced, according to clinical trials. Still, high-potency biotin supplementation has greatly improved hair growth by 75% in those with deficiencies. The good thing about BetterVits Biotin Ultra is that it bolsters absorbability and efficacy with extra co-factors, like magnesium stearate. The most prevalent among these are biotin-related deficiencies in people with restricted diets or cases of certain GI disorders. BetterVits Biotin Ultra was specifically designed to address this, providing a powerful tool for rapid recovery.

BetterVits Biotin Ultra: Who should use it?

·       People with severe hair loss, brittle nails, or other skin problems.

·       And in those diagnosed with a biotin deficiency or who require targeted therapeutic supplementation.

·       Vegans and guests who can’t eat certain foods seek a powerful, ethical product.

7.   Jarrow Formulas Biotin: Professionals Trusted with Consistent Results.

Jarrow Formulas Biotin is a trusted brand in the supplement industry, world-renowned for more than 40 years of research and innovation. With five mcg of biotin per serving, it is ideal for a balanced approach and helps to improve hair, skin, and nails. It is famous for its stringent quality control and clinically researched ingredients.

Features and Benefits

·       Clinically Tested Ingredients: GMP manufactured for safety and efficacy.

·       Optimised Dosage: Potency with long-term safety – offers 5,000 mcg per capsule.

·       Eco-Friendly Packaging: Sustainably, Jarrow Formulas uses recyclable material.

In 2024,  JCD study confirmed that biotin supplements reduce nail brittleness and improve hair texture in 12 weeks. According to Jarrow Formulas Biotin, this aligns with these findings and provides consistent, measurable results. Jarrow Formulas resonates with UK eco-conscious consumers as sustainability is increasingly emphasised. According to the 2024 Sustainability Report issued by the UK Government, 60 per cent of customers prefer environmentally friendly products, which makes Jarrow Formulas Biotin a good option for people who hope for efficacy and ethical manufacturing.

For whom is Jarrow Formulas Biotin?

·       Clinically backed, reliable supplement for professionals.

·       Those who consider themselves environmentally conscious people choose to use more sustainable options.

·       It is for those looking for long-term, balanced biotin supplementation.

8.  Lamberts Biotin: Premium UK Brand for Hair and Skin Health.

Lamberts Biotin is manufactured on the highest quality UK manufacturing standards. Lamberts is well known for its pharmaceutical-grade ingredients, and its 5,000 mcg biotin supplement is also suitable for people who want both quality and local manufacturing. In the UK, the brand is synonymous with pure and efficacious, and currently has a massive fan following already.

Features and Benefits

·       UK-Manufactured: Made in GMP certified UK facilities to UK quality standards.

·       Pharmaceutical-Grade Ingredients: Artificial additives, fillers, allergens free.

·       Targeted Dose: Helps support daily hair and nail health; supplying 5,000 mcg per capsule.

One British Journal of Nutrition review found that daily supplementation helped UK residents marginally deficient in biotin. The local Lamberts Biotin supports these findings because it is manufactured to provide a trusted, evidence-based solution. Because of their muscularity, Lamberts is the preferred choice among healthcare professionals across the UK.

Lamberts Biotin, who should use it?

·       People with moderately thin hair or slow nail growth.

·       Locally manufactured, premium quality supplements for UK residents.

9.  Thorne Biotin: Advanced Formula for Enhanced Hair, Skin, and Nail Health

One particular stand-out product in the supplement world is Thorne Biotin, which is committed to providing highly bioavailable, pure and effective products. This supplement is a 5000 mcg per capsule dose and aligns advanced ingredients with rigorous quality control for superior hair, skin, and nail support. A Thorne Biotin is known for having a scientifically backed formulation that makes it perfect for those seeking high-quality biotin supplements.

Features and Benefits

·       Advanced Bioavailability: Thorne’s biotin is formulated to assist absorption and ensure optimal biotin use in the body.

·       Pure and Clean Ingredients: Suitable for many dietary needs — free of gluten, soy, dairy and artificial additives.

·       Clinically Proven Efficacy: Healthcare professionals agree Thorne Biotin’s high-quality formula produces optimal results.

Clinical studies have shown that biotin is important for hair and nail health. According to a study published in the SKD, biotin supplements can increase hair growth in people with mild alopecia. Thorne Biotin also provides bioavailability, which is important because it ensures the body can use the biotin and that hair and nail strength improvement and faster results are the result. The NHS says that about 5 per cent of the British population suffers from alopecia, and many cases are due to biotin deficiency. With biotin supplementation, high-quality formulas such as Thorne’s enhance hair growth and strengthen brittle nails enormously. People who wish to manage or prevent these concerns prefer Thorne Biotin.

Who Should Use Thorne Biotin?

·       People with recurring hair thinning or brittle nails.

·       For people who are health conscious and prefer a clean light, hypoallergenic formula.

·       Gluten-free or dairy-free people.

10.   Healthy Origins Biotin: Skin, Hair, and Nails Premium Formula

Biotin from Healthy Origins is a popular supplement that uses 5,000 mcg of biotin with high-quality, natural ingredients. Healthy Origins products are known for their high biotin quality and affordability. They support healthy skin, nails, and hair without fillers or artificial additives. This is a great product for those looking for a tried-and-trusted approach to a more beautiful you.

Features and Benefits

·       Natural Ingredients: Healthy Origins Biotin is pure, without artificial colours, flavours, or preservatives.

·       Sustainably Sourced: It places major emphasis on environmentally friendly sourcing and manufacturing.

·       High Potency: With 5,000 mcg of biotin per serving, it’s for those looking for big support at all beauty levels.

A biotin supplementation study done in Dermatology and Therapy shows that it developed in members within a few months with improved nail thickness and reduced splitting. Similar to these results, the potent dose of biotin from Healthy Origins Biotin helps you get the best results in the shortest possible time. Biotin deficiencies are rare in the UK but can be higher if you have a condition such as a gastrointestinal disorder or are pregnant. This is reported to the NIH that pregnant women need more biotin, which may result in temporary deficiencies. Healthy Origins Biotin is a convenient, reliable solution to their diet for pregnant women and others who may require additional help in maintaining their healthy hair and nails.

Healthy Origins Biotin is suitable for whom?

·       People with certain health conditions, pregnancy, or certain health needs.

·       People seek an affordable yet high-quality skin, hair, and nail health option.

·       For those who are looking for a non-artificial, natural biotin supplement.