Jarrow Formulas Biotin is a daily biotin supplement that supports healthy hair, skin and nails while helping energy metabolism, backed by a brand with strict quality standards. The star ingredient, d-Biotin, delivers 5,000 mcg per capsule, supporting keratin formation for hair and nails and aiding energy metabolism. Jarrow Formulas upholds strict quality and transparency.

Available Sizes & Variants:

100 capsules biotin supplement - Daily, convenient dose for monthly use

Benefits & Features:

• Daily capsule is easy to fit.
• Hair, skin and nails are supported by biotin in keratin infrastructure.
• Biotin acts as a coenzyme for key carboxylase enzymes, supporting energy metabolism.
• Manufactured in a cGMP certified facility using Jarrow Formulas Total-Quality multilevel process.
• Taken daily with meals for optimal absorption, this 5,000 mcg dose aligns with amounts studied for deficiency correction and cosmetic benefits, helping hair and nails stay healthier over time.

Jarrow Formulas has built a reputation on transparency and rigorous testing. The Total-Quality multilevel process guides every step, from ingredient sourcing to final packaging, in a state-of-the-art cGMP facility. The biotin is delivered in vegan capsules, non-GMO and free from common allergens like wheat, gluten, dairy and soy, making it easy to include in most diets. For anyone chasing hair vitamins for hair growth, this reliable option sits comfortably in daily routines and wellness plans as one of the trusted biotin supplements and a top choice among the best vitamins for hair growth.

Biotin (as d-Biotin), Calcium (from Dicalcium Phosphate), Biotin (as d-Biotin), Calcium (from Dicalcium Phosphate)

• GTIN: 790011180050
• Manufacturer: Jarrow Formulas
• Categories: Beauty SupplementsBiotin Vitamin B7 Supplements & TabletsJarrow FormulasNail Health
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the 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 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule of Jarrow Formulas Biotin 5000mcg daily with a meal or as directed by your qualified healthcare professional. Store in a cool, dry place, away from direct sunlight. Warning: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication, or have a medical condition. Keep out of the reach of children. Do not use if safety seal is damaged or missing.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Biotin (D-Biotin)

Biotin is a water‑soluble B vitamin, essential for normal metabolic processes and keratin formation crucial for hair, skin, and nails. The active form in this product is d-biotin. This nutrient is used in daily nutrition to support energy metabolism and tissue health, with a focus on hair and skin structures.

Biotin is supplied as the biologically active d-biotin, a component of cellular coenzymes involved in fatty acid, amino acid, and glucose metabolism. This form is widely recognised for its role in supporting healthy keratin infrastructure and energy production in the body.

What Does Biotin Do?

Biotin participates in energy metabolism and supports keratin-related tissue health, which is aligned with EFSA and NHS descriptions of its normal physiological roles.

Studies indicate biotin functions as a coenzyme for carboxylase enzymes, which underpins fatty acid synthesis and energy production, contributing to hair, skin, and nail structure as part of regular health maintenance.

Compliance disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease.

Jarrow Formulas brings a rich heritage of manufacturing excellence, with products produced in a modern, cGMP certified facility that ensures pharma-grade quality and strict adherence to FDA Current Good Manufacturing Practices. Their broad Total-Quality multi-layered process underscores a definite commitment to purity, potency and safety, making them a trusted partner for Welzo. We value their open sourcing practices, choosing raw-material suppliers who share our quality philosophy and running rigorous purity, strength and composition checks before manufacture. This brand's reputation for rigorous quality oversight and traceable supply chains aligns with our own standards for supplement integrity.

We decided on Jarrow Formulas for this Biotin because their quality framework directly backs product integrity and consumer safety, which we show through our team’s review of manufacturing standards and testing rigor. For Welzo customers, this partnership means consistent purity and reliable performance from a brand evaluated by our expert team of doctors, nurses, and nutritionists and aligned with our quality assurance criteria. This product sits well with the brand’s strength in delivering high-purity, well-controlled biotin supplementation tailored to wellness needs.