Biotin Extra Strength 10,000 mcg — 90 Veg Capsules | LifeSource Vitamins
LifeSource Vitamins Biotin Extra Strength delivers 10,000 mcg of biotin (Vitamin B7) per capsule to support healthy hair, skin, and nails. This high-potency formula provides essential nutrient support for keratin production and daily beauty wellness.*
Produced in FDA-registered, GMP-certified facilities and independently 3rd-party tested for purity, potency, and label accuracy, this vegetarian formula offers clean, convenient daily support.*
Research-Informed Wellness Support
We believe in transparency and science-informed wellness. Below you’ll find selected human studies available through the National Institutes of Health (NIH) via PubMed.
Wellness Support Backed by Human Research
• Supports healthy hair* — Biotin plays a key role in keratin infrastructure, the primary protein in hair.
• Supports strong nails* — Clinical studies show biotin supplementation helps support nail strength and thickness.
• Supports healthy skin* — Biotin contributes to normal skin maintenance as an essential B vitamin.
• Supports macronutrient metabolism* — Biotin acts as a cofactor for enzymes involved in energy production from fats, carbohydrates, and proteins.
Additional Wellness Support
• Extra Strength 10,000 mcg biotin per capsule.*
• Convenient once-daily vegetarian capsules for beauty and wellness support.*
Why Customers Love This Formula
- 10,000 mcg Extra Strength Biotin per capsule*
- Supports healthy hair, skin & nails*
- Supports nail strength and thickness*
- Essential B vitamin for macronutrient metabolism*
- Convenient once-daily vegetarian capsules
- Independently 3rd-party tested for purity and potency
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy
Produced in FDA-registered, GMP-certified facilities.
See Our Testing Results →
Recommended Reading on Hair, Skin & Nail Health
Frequently Asked Questions
How many capsules should I take daily?
Adults typically take 1 capsule daily with a meal, or as directed by your healthcare professional.
Is this high strength?
Yes — each capsule provides 10,000 mcg (10 mg) of biotin.
When might I notice benefits?
Many customers report improvements in hair, skin, and nail appearance with consistent daily use over several weeks.*
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before taking any supplements.
LifeSource Vitamins Biotin Extra Strength 10,000 mcg supports healthy hair, skin & nails — 3rd-Party Tested for purity and potency.*
Have questions? Call us at 800.567.8122 or email info@lifesourcevitamins.com
