NatureBell Vitamin K Complex supplement bottle
NatureBell

Vitamin K Complex Review

What We Researched
4 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · Last updated: Aug 2026
93
Product Score Excellent
60
Brand Score Fair

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 K1 1500 mcg
Vitamin K2 1000 mcg
Vitamin K2 100 mcg
Vitamin K 2600 mcg
Bioavailability Very Good

Absorption Rating

  • Vitamin K1 Fair
  • Vitamin K2 Good
  • Vitamin K2 Good
  • Vitamin K Good
Other Ingredients Excellent

Fillers & Additives

  • Coconut Oil
  • Gelatin
  • Vegetable Glycerin
  • Carob
  • Purified Water
Efficacy Very Good

Dosage Analysis

  • Vitamin K1 1500 mcg High
  • Vitamin K2 1000 mcg Effective
  • Vitamin K2 100 mcg Effective
  • Vitamin K 2600 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin K1 1500 mcg
Vitamin K2 1000 mcg
Vitamin K2 100 mcg
Vitamin K 2600 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Coconut Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Carob Safe

It is used as a natural colorant or flavoring agent.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Brand Trust Report
NatureBell

Founded 2017 · 4951 Holt Blvd Ste C, Montclair, CA 91763, USA · naturebell.com

Certifications

1 certification
USDA Organic Verified

Transparency

3 claims
Third Party Testing Claim — Claimed
Contains Proprietary Blend — True

Violation History

2 incidents
Prop 65 Prop 65 Violation2025-09-18Source
Prop 65 Prop 65 Violation2020-10-06Source
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Frequently Asked Questions
Is NatureBell Vitamin K Complex a good supplement?

NatureBell Vitamin K Complex 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 4 active ingredients with 150 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NatureBell, holds a brand trust score of 60/100 with 1 verified certifications including USDA Organic.

What are the ingredients in NatureBell Vitamin K Complex?

NatureBell Vitamin K Complex contains 4 active ingredients: Vitamin K1 (1500 mcg), Vitamin K2 (1000 mcg), Vitamin K2 (100 mcg), Vitamin K (2600 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NatureBell Vitamin K Complex safe to take?

NatureBell Vitamin K Complex has been analyzed for ingredient safety across all its components. All 5 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 NatureBell a trustworthy supplement brand?

NatureBell receives a brand trust score of 60/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2017 and headquartered in 4951 Holt Blvd Ste C, Montclair, CA 91763, USA, They hold 1 verified certifications including USDA Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NatureBell has 2 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.