AI overview
AI generated. Not medical advice.What it's for
Hair, skin, and nail support; Energy metabolism
Who it may fit
Adults who eat a limited or highly processed diet or want simple daily support for hair, skin, and nails.
Key actives per serving
- Biotin (Vitamin B7): 5000 mcg (16667% DV)
How to take
Adults take 1 capsule daily, with or without food; if it bothers your stomach, take with a meal.
Diet / Allergen fit
Vegan; Non-GMO; Gluten Free; Soy Free
Ingredients explained
Biotin (Vitamin B7)
Biotin acts as a coenzyme for carboxylase enzymes that help the body metabolize fats, carbohydrates, and amino acids and support keratin infrastructure for hair, skin, and nails.
Caution: High doses may interfere with certain lab tests (including some hormone and cardiac markers), so consider stopping biotin 48–72 hours before blood work if advised by your healthcare professional.
Safety and tips
Who should be cautious: Biotin at 5,000 mcg may interfere with certain lab tests such as some thyroid panels and cardiac markers; consider pausing before testing as advised by your healthcare provider. If you take medications that may interact with high-dose biotin, consult your healthcare provider before use.
Storage: Store in a cool, dry place.
What customers say
Stronger hair, skin, and nails
Many users noticed improved hair strength, healthier skin, and sturdier nails after regular use.
Easy to swallow
Capsules are described as simple to take with no difficulty swallowing.
Mixed effectiveness
A few users felt results were less noticeable than with other brands or not necessary for them.
Product rankings:
iHerb Quality Promise
This product is guaranteed authentic and backed by our easy returns & refunds policy. Details
Biotin is often associated with supporting the health of hair, skin, and nails. Collagen provides structural proteins for these tissues, offering a complementary approach to support their strength and appearance
AI generated. Not medical advice.
Overview
- Science-Based Nutrition
- Dietary Supplement
- Vegan™
- Non-GMO
- Gluten Free
- Soy Free
Doctor's Best Biotin provides a substantial dose of the B-complex vitamin biotin, indispensable for the unique function of “biotinylation” that facilitates both energy and protein metabolism and healthy DNA activity. Clinical observations of biotin deficiency show its importance for the upkeep of the healthy skin and hair, as well as for the immune and central nervous systems. Preliminary evidence also suggests that biotin can promote healthy nail renewal.
- Helps promote healthy hair, skin, and nails
- Helps support gene regulation & DNA integrity
- Helps support essential enzyme functions
Specifications
- First available: 09/2014
-
Shipping weight:
0.05 kg
- Product code: DRB-00301
- UPC: 753950003019
- Package quantity: 120 count
- Dimensions: 9.8 x 5.2 x 5.1 cm , 0.05 kg
Suggested use
Adult Use: Take 1 capsule daily, with or without food, or as recommended by a nutritionally-informed physician.
Other ingredients
Microcrystalline cellulose, hypromellose (vegetarian capsule), magnesium stearate (vgetable source), silicon dioxide.
Warnings
Store in a cool dry place.
Disclaimer
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement facts | ||
| Serving Size: 1 Veggie Capsule | ||
| Servings Per Container: 120 | ||
| Amount Per Serving | % Daily Value | |
| Biotin | 5000 mcg | 16667% |