DaVinci Laboratories D3/K2 Liquid, 1 fl oz (30 ml) supplement bottle
DaVinci Laboratories

D3/K2 Liquid, 1 fl oz (30 ml)

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 3 brand certifications checked · 5 retailers compared · Last updated: Mar 2026
96
Product Score Excellent
82
Brand Score Good

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.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$78$77$76$75$74 Mar 12 $76.34$76.34
iHerb
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
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 192 products · davincilabs.com/

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

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

Violation History

2 incidents
Recall Amyloid Complete2024-05-08Source
Recall Dim Plex2019-07-11Source
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Frequently Asked Questions
Is DaVinci Laboratories D3/K2 Liquid, 1 fl oz (30 ml) a good supplement?

DaVinci Laboratories D3/K2 Liquid, 1 fl oz (30 ml) 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 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, DaVinci Laboratories, holds a brand trust score of 82/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in DaVinci Laboratories D3/K2 Liquid, 1 fl oz (30 ml)?

DaVinci Laboratories D3/K2 Liquid, 1 fl oz (30 ml) 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, 1 fl oz (30 ml) safe to take?

DaVinci Laboratories D3/K2 Liquid, 1 fl oz (30 ml) 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 DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 82/100 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 192 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: DaVinci Laboratories has 2 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. 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.