


"Very quick delivery. Used 3 times, each order arrived the next day before 12:00. Product quality is exactly as described."
"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
Doctor's Best Biotin 5,000mcg 120 Veggie Capsule
Doctor's Best Biotin supports healthy hair, skin and nails, powered by a vegan, high-potency formula you can rely on for daily confidence.
Purchase options
Subscribe & save
Save 5%Fast delivery · Cancel anytime
- Easy Pause or Cancel
- Best Price Guarantee
- 60-Day Returns
- Priority Support
One-time purchase
Standard price, no subscription
Quantity
100% Money back guarantee, no questions asked
Secure Transaction
Doctor's Best Biotin supports healthy hair, skin and nails, powered by a vegan, high-potency formula you can rely on for daily confidence. Biotin stays the star ingredient, helping energy metabolism and the building blocks for hair, skin and nails. Doctor's Best brings GMP-certified quality and clean label standards to each vegan capsule, quickly and easily slipping into daily life.
Available Sizes & Variants:
120 Veggie Capsule – Plant-based capsule for easy daily use.
Benefits & Features:
- Promotes healthy hair, skin and nails.
- Biotin acts as a coenzyme for enzymes that power energy production and the creation of keratin, supporting healthier hair and nails.
- Plant-based capsule and vegan formulation make it easy to fit into everyday routines.
- Produced under GMP standards to help guarantee consistency and quality.
- Free of lactose, gluten, soy and dairy, with a plant-based capsule that suits vegan, allergy-aware lifestyles without sacrificing potency.
Doctor's Best has built a reputation on science-based nutrition, delivering a vegan, non-GMO biotin supplement that is gluten- and dairy-free. Trusted by wellness enthusiasts. Quality you can feel. The product is manufactured under GMP standards, with a plant-based capsule that avoids common allergens. Biotin serves as a coenzyme in key metabolic pathways that support energy production and the formation of structural proteins for hair, skin and nails. This formula is well loved for its reliability and straightforward daily use.
- GTIN
- 753950003019
- Manufacturer
- Doctor's Best
- Best buy
- 6 to 24 months+
United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).
Free shipping on orders over £50 to the UK.
Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.
Welzo is a UK-based health platform. Orders ship from the UK.
Please consult the product packaging for accurate instructions on how to use the product.
| Ingredients | Typical Amount per Serving | %RI* |
| Biotin | 5000 mcg | 16670 |
| * Reference Intake ** Reference Intake value not established | ||
The Active Ingredient Is: Biotin (Vitamin B7)
Biotin is a water-soluble B vitamin involved in normal energy metabolism and the maintenance of healthy hair, skin and nails.
This form is a vegan capsule containing biotin, a coenzyme that supports fatty acid synthesis, amino acid metabolism and gene expression related to tissue health.
What Does Biotin Do?
Biotin participates in energy production and supports the synthesis of proteins that contribute to the structure of hair, skin and nails as part of normal physiology.
It acts as a coenzyme in essential metabolic pathways, helping the body use fats and carbohydrates for energy and supporting cellular processes involved in tissue renewal.
This product is not intended to diagnose, treat, cure, or prevent any disease.
Doctor's Best is Welzo selected for this biotin supplement because the brand brings a proven track record of manufacturing excellence and a science-forward approach to nutrition. The manufacturer emphasises GMP-compliant production and a clean-label philosophy, with a vegan capsule and non-GMO formulation that aligns with our quality standards. This heritage of rigorous process discipline and commitment to purity underpins the product’s integrity, making Doctor's Best a credible partner for people seeking dependable vitamin support. Our evaluation also recognised the brand’s dedication to evidence-based nutrition and transparent product descriptions, which helps us feel confident recommending this biotin to customers. For those who want to understand how we verify ingredient quality, we highlight our ongoing collaboration with how we verify ingredient quality and the expertise of our expert team of doctors, nurses, and nutritionists in guiding product selection.
Part of the Welzo System™
Test, supplement, enhance, and move, all in one place.
Frequently Asked Questions
Everything you need to know about this product.






