Bronson Vitamin K2 100 mcg supplement bottle
Bronson

Vitamin K2 100 mcg Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
89
Brand Score Good

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
Vitamin K2 100 mcg
Bioavailability Excellent

Absorption Rating

  • Vitamin K2 Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Magnesium Stearate
  • Cellulose
  • Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Vitamin K2 100 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin K2 100 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Bronson

Founded 1960 · Hauppauge, NY, USA · 698 products · bronsonvitamins.com/

Certifications

4 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
NSF Certified Verified

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

6 incidents
Prop 65 Lead2024-08-25Source
Prop 65 Lead2024-08-25Source
Prop 65 Lead2013-01-22Source
Prop 65 Lead2012-03-08Source
Prop 65 Lead2012-03-08Source
Prop 65 Listed Chemical (not specified in snippet)2008-10-22Source
Related Supplements
Frequently Asked Questions
Is Bronson Vitamin K2 100 mcg a good supplement?

Bronson Vitamin K2 100 mcg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 250 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Bronson, holds a brand trust score of 89/100 with 4 verified certifications including Consumerlab, Fda Gmp Inspections, Usda Organic, NSF Certified.

What are the ingredients in Bronson Vitamin K2 100 mcg?

Bronson Vitamin K2 100 mcg contains 1 active ingredients: Vitamin K2 (100 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Bronson Vitamin K2 100 mcg safe to take?

Bronson Vitamin K2 100 mcg has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Bronson a trustworthy supplement brand?

Bronson receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1960 and headquartered in Hauppauge, NY, USA, the company offers 698 products in their lineup. They hold 4 verified certifications including Consumerlab, Fda Gmp Inspections, Usda Organic, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Bronson has 6 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.