Double Wood Supplements D3 + K2 Liquid Drops supplement bottle
Double Wood Supplements

D3 + K2 Liquid Drops Review

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
96
Product Score Excellent
95
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
Vitamin D3 (as Cholecalciferol) 125 mcg 625%
Vitamin K2 (K2VITAL All-Trans Menaquinone-7) 200 mcg 167%
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin K2 (K2VITAL All-Trans Menaquinone-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Medium Chain Triglycerides
  • MCT Oil
  • Soy Oil
Efficacy Very Good

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 125 mcg High
  • Vitamin K2 (K2VITAL All-Trans Menaquinone-7) 200 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) 125 mcg 625%
Vitamin K2 (K2VITAL All-Trans Menaquinone-7) 200 mcg 167%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

MCT Oil Safe

Helps dissolve and enhance absorption of fat-soluble ingredients.

Soy Oil Unknown
Brand Trust Report
Double Wood Supplements

Founded 2013 · Sharon Hill, Pennsylvania, United States · 60 products · doublewoodsupplements.com

Certifications

2 certifications
Consumerlab Verified Source
NSF Certified Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

3 incidents
Prop 65 Lead2024-07-05Source
Fda Warning Unapproved new drug claims related to hangover prevention.2020-11-10Source
Fda Warning Letter FDA Warning LetterSource
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Frequently Asked Questions
Is Double Wood Supplements D3 + K2 Liquid Drops a good supplement?

Double Wood Supplements D3 + K2 Liquid Drops received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 30 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Double Wood Supplements, holds a brand trust score of 95/100 with 2 verified certifications including Consumerlab, NSF Certified.

What are the ingredients in Double Wood Supplements D3 + K2 Liquid Drops?

Double Wood Supplements D3 + K2 Liquid Drops contains 2 active ingredients: Vitamin D3 (as Cholecalciferol) (125 mcg), Vitamin K2 (K2VITAL All-Trans Menaquinone-7) (200 mcg). Notable high-dose ingredients include Vitamin D3 at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Double Wood Supplements D3 + K2 Liquid Drops safe to take?

Double Wood Supplements D3 + K2 Liquid Drops has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Double Wood Supplements a trustworthy supplement brand?

Double Wood Supplements receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Sharon Hill, Pennsylvania, United States, the company offers 60 products in their lineup. They hold 2 verified certifications including Consumerlab, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Double Wood Supplements has 3 historical regulatory incidents on record, which are factored into the trust score.

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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.