DaVinci Laboratories D3/K2 Liquid supplement bottle
DaVinci Laboratories

D3/K2 Liquid Review

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 4 brand certifications checked · Page generated: Sep 2026
96
Product Score Excellent
93
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) (5,000 IU) 125 mcg 625%
Vitamin K2 (as Menaquinone-7) 500 mcg *
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) (5,000 IU) Good
  • Vitamin K2 (as Menaquinone-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Sunflower Oil
  • Natural Orange Flavor
  • Mixed Tocopherols
  • Rosmarinic Acid
Efficacy Very Good

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) (5,000 IU) 125 mcg High
  • Vitamin K2 (as Menaquinone-7) 500 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) (5,000 IU) 125 mcg 625%
Vitamin K2 (as Menaquinone-7) 500 mcg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sunflower Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

Mixed Tocopherols Safe

Prevents oxidation and rancidity in oil-based supplements.

Rosmarinic Acid Generally_safe

It is used as a natural preservative due to its antioxidant properties.

Brand Trust Report
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 368 products · davincilabs.com/

Certifications

4 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Gmp Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

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

Violation History

2 incidents
Recall Amyloid Complete2024-05-08 Source available Primary source
Recall Dim Plex2019-07-11 Source available Primary source
Related Supplements
Frequently Asked Questions
Is DaVinci Laboratories D3/K2 Liquid a good supplement?

DaVinci Laboratories D3/K2 Liquid 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. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, DaVinci Laboratories, holds a brand trust score of 93/100.

What are the ingredients in DaVinci Laboratories D3/K2 Liquid?

DaVinci Laboratories D3/K2 Liquid contains 2 active ingredients: Vitamin D3 (as Cholecalciferol) (5,000 IU) (125 mcg), Vitamin K2 (as Menaquinone-7) (500 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 DaVinci Laboratories D3/K2 Liquid safe to take?

GoodSupp reviewed the inactive-ingredient data available for DaVinci Laboratories D3/K2 Liquid. All 4 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. 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 DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 93/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Williston, VT, US, the company offers 368 products in their lineup. Note: DaVinci Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.