Natrol Biotin Fast Dissolve Strawberry 10,000 mcg supplement bottle
Natrol

Biotin Fast Dissolve Strawberry 10,000 mcg Review

What We Researched
1 active ingredient analyzed · 14 inactive ingredients decoded · 7 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
96
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Biotin 10,000 mcg 33,333%
Bioavailability Excellent

Absorption Rating

  • Biotin Good
Other Ingredients Excellent

Fillers & Additives

  • Crospovidone
  • Magnesium Stearate
  • Maltodextrin
  • Xylitol
  • Malic Acid
  • Natural Flavors
  • Dextrin
  • Cellulose Gum
  • Citric Acid
  • Stearic Acid
  • Modified Food Starch
  • Beet Root
  • Silica
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Biotin 10,000 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Biotin 10,000 mcg 33,333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Crospovidone Generally_safe

It is used as a binder to help tablets or capsules disintegrate.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

Dextrin Generally_safe

It is used as a filler, binder, or coating agent.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Modified Food Starch Generally_safe

It is used as a filler, binder, or thickener in supplements.

Beet Root Unknown
Silica Safe

Prevents ingredients from clumping and improves powder flow.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Natrol

Founded 1980 · Chatsworth, California, USA · 319 products · natrol.com

Certifications

7 certifications
Consumerlab Source available Primary evidence
Npa Gmp Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Gmp Source available Primary evidence
USP Verified Supporting evidence unavailable
IGEN Non-GMO Tested Supporting evidence unavailable
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

8 incidents
Lawsuit Marketing Relax+ Ultimate Calm as a treatment for anxiety.Recent Source available Primary source
Lawsuit Falsely advertising '100% Drug-Free' on Liquid Melatonin which allegedly contains ethyl alcohol.2021 Source available Primary source
Lawsuit False and deceptive claims about the memory-improving capabilities of Cognium supplements.2021 Source available Primary source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplements.2020-07-21 Source available Primary source
Lawsuit Claims that their biotin products were ineffective.2017 Source available Primary source
Lawsuit Falsely advertising the joint health benefits of their glucosamine and chondroitin products.2013 Source available Primary source
Lawsuit Deceptive marketing claims regarding L-Arginine supplements.2013 Source available Primary source
Prop 65 Not specified in the article2002-04-22 Source available Primary source
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Frequently Asked Questions
Is Natrol Biotin Fast Dissolve Strawberry 10,000 mcg a good supplement?

Natrol Biotin Fast Dissolve Strawberry 10,000 mcg received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 60 servings per container. Of the 14 inactive ingredients, 13 are rated safe and 0 ingredients are flagged for review. The manufacturer, Natrol, holds a brand trust score of 96/100.

What are the ingredients in Natrol Biotin Fast Dissolve Strawberry 10,000 mcg?

Natrol Biotin Fast Dissolve Strawberry 10,000 mcg contains 1 active ingredients: Biotin (10,000 mcg). Notable high-dose ingredients include Biotin at 33,333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natrol Biotin Fast Dissolve Strawberry 10,000 mcg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Natrol Biotin Fast Dissolve Strawberry 10,000 mcg. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Natrol a trustworthy supplement brand?

Natrol receives a brand trust score of 96/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Chatsworth, California, USA, the company offers 319 products in their lineup. Note: Natrol has 8 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.