Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules supplement bottle
Douglas Laboratories

Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
95
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin K2 (as menaquinone-7) 90 mcg *
Bioavailability Excellent

Absorption Rating

  • Vitamin K2 (as menaquinone-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropyl Methylcellulose (Capsule)
  • Ascorbyl Palmitate
Efficacy Excellent

Dosage Analysis

  • Vitamin K2 (as menaquinone-7) 90 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin K2 (as menaquinone-7) 90 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.

Hydroxypropyl Methylcellulose (Capsule) Safe

It is used to encapsulate supplement ingredients.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$39$38$37$36$35 Mar 12 $37.40
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Douglas Laboratories

Founded 1955 · Pittsburgh, Pennsylvania, United States · 32 products · douglaslabs.com

Certifications

5 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Certified For Sport Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Douglas Labs Stress-B-Plus2024-10-07Source
Prop 65 Lead2008-10-22Source
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Frequently Asked Questions
Is Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules a good supplement?

Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules 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 60 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Douglas Laboratories, holds a brand trust score of 95/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Certified For Sport, Nsf Gmp.

What are the ingredients in Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules?

Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules contains 1 active ingredients: Vitamin K2 (as menaquinone-7) (90 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules safe to take?

Douglas Laboratories Vitamin K2 Menaquinone-7, 60 Vegetarian Capsules has been analyzed for ingredient safety across all its components. All 3 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 Douglas Laboratories a trustworthy supplement brand?

Douglas Laboratories receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Certified For Sport, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Douglas Laboratories 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 250,000 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. 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.