SPECIMEN #THORNE-V
Verified
VITAMINThorne
Thorne Vitamin D/K2 Liquid
General bone and cardiovascular health support, especially for those needing a liquid or lower maintenance dose.. Thorne delivers high-quality ingredients. The D3 dose is adequate for basic maintenance but low for optimization in many adults. The K2 (MK4) dose is too low to provide significant benefits, limiting the full potential of the D3/K2 synergy. This pulls the overall score down despite the premium brand and good concept.
8.0/10
EXCELLENTD3 at 1000 IU is at minimum effective dose, but the real value is the K2 MK4 at 200mcg which is double the optimal threshold. The D3+K2 synergy is one of the most evidence-backed combinations in supplementation. K2 directs calcium to bones and away from arteries. Liquid form in MCT oil enhances fat-soluble vitamin absorption. The K2 dose is genuinely therapeutic. D3 could be higher but the synergistic combination and premium delivery compensate.
2 ingredientsLiquid600 servings
Evidence
7.0
Dosing
6.3
Synergy
6.0
What We Like
- Premium brand quality (Thorne)
- Excellent ingredient synergy (D3 and K2)
- Liquid form for flexible dosing
Watch Out For
- Vitamin K2 (MK4) is significantly underdosed for therapeutic effects
- Vitamin D3 dose is low for many adults seeking optimal levels
What We Analyzed
Verified Supplement Facts
Every dose checked against clinical research
We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.
4 ingredients analyzed1 at clinical doses1 underdosed
Source: Official product page
Ingredient Breakdown
1 clinical1 underdosed
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
In our database (click to learn more) Not yet reviewed
Other Ingredients(inactive)
Medium Chain Triglyceride Oil, Mixed Tocopherols
Our Analysis
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