🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

0.5 tsp Serving Size
113 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
5 mg (1667% DV)
📊 166.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 5mg
📊 Market median: 100.0mg (1 products) 📚 42 studies (Tier A: 1, B: 15)
This product: 1mg

Other Ingredients

None

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (100% of products) Structure/Function (91% of products) Nutrient (57% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested usage: Mix 1/2 level teaspoon daily in 4 to 8 oz. of water or other water beverage. Take with a meal.

⚠️ Warnings & Precautions

Caution: For adults only.

Consult physician if pregnant/nursing, taking medication, or have a medical condition.

Keep out of reach of children.

Do not eat freshness packet enclosed.

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

🧪 Formulation Notes

Biotin is a B vitamin well-known for its role in the support of healthy hair, skin, and nails. Biotin is also critical for the conversion of food into chemical energy and helps to support normal immune system function, protein synthesis, and carbohydrate metabolism. NOW Biotin with Fibersol-2 Powder has 5,000 mcg of biotin per serving and is a convenient way to supplement your diet with this important nutrient.

5,000 mcg Biotin per serving

Non-GMO

Vegetarian/Vegan

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Additional Information

Natural color variation may occur in this product.

Store in a cool, dry place after opening.

This product is sold by weight not volume.

Health hair, skin and nails

Promotes normal immune function

Non-GMO

Vitamins Family owned since 1968.

GMP Quality Assured

Product Details

UPC / SKU 7 33739 00530 4
DSLD Entry Date 2019-07-24
Product Type Other Combinations
Form Powder
Brand NOW
DSLD ID 204900
Data Updated 2026-04-11

Research Evidence

31 Research Sources
53 Avg Quality Score
12 Meta Analysis
9 Systematic Review
5 Rct
2 Clinical Trial
1 Regulatory Source
1 Openfda Safety
B Pentasaccharides for the treatment of deep vein thrombosis
Meta Analysis The Cochrane database of systematic reviews 2017
B Quantitative comparison of the efficacy of clinical drug treatments for primary progressive multiple sclerosis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2023
B Dietary interventions for multiple sclerosis-related outcomes
Meta Analysis The Cochrane database of systematic reviews 2020
B Interventions for infantile seborrhoeic dermatitis (including cradle cap)
Meta Analysis The Cochrane database of systematic reviews 2019
B Effect of varicocelectomy on sperm deoxyribonucleic acid fragmentation rates in infertile men with clinical varicocele: a systematic review and meta-analysis
Meta Analysis Fertility and sterility 2021
B Effect of feeding biotin on milk production and hoof health in lactating dairy cows: a quantitative assessment
Meta Analysis Journal of dairy science 2011
B Factitious Graves' Disease Due to Biotin Immunoassay Interference-A Case and Review of the Literature
Systematic Review The Journal of clinical endocrinology and metabolism 2016
B Effect of biotin on milk performance of dairy cattle: a meta-analysis
Meta Analysis Journal of dairy science 2011
B PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial
Rct Nutrients 2020
B High-dose biotin for multiple sclerosis: A systematic review and meta-analyses of randomized controlled trials
Meta Analysis Multiple sclerosis and related disorders 2021
View all evidence for Biotin →

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