Thorne Vitamin K2

Thorne · Vitamin K2

Thorne

Vitamin K2

Vitamin80 servings

Mixed our read

The amount here sits past the range studies actually tested.

Dose Above range vs. studied dose

Quality

How it scores

Overall

F

Evidence

F

Dose

F

Formulation

A

Brand

79/100

The label

What's in it, judged

Supplement Facts

Serving Size: 15 Drop(s)

80 per container

IngredientAmount%DV
  • Vitamin K as Menaquinone-4, Vitamin K2 15 mg 12,500%

Other ingredients: Medium Chain Triglyceride Oil, Mixed Tocopherols.

Suggested use: Take 15 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages.

past the studied range Every ingredient links to our evidence.

Reported interactions

Interacts with:
Warfarin ·Orlistat ·Rifampicin ·Asciminib ·Ponatinib ·Antineoplastic_agents
Side effects:
Nausea ·Any adverse event ·Diarrhoea

From research databases. Not medical advice — talk to your physician.

Dose check

Is it dosed to do anything?

  • Vitamin K

    Past the studied range

    15 mg / day studies used 0.01-5 mg · 65 studies

What Vitamin K is good for

  • All-cause mortalityD

    Lower risk of death from any cause

    Aging & longevity

  • Arterial calcificationA

    Slower arterial calcification

    Cardiovascular

  • Plaque burdenC

    Less atherosclerotic plaque

    Cardiovascular

  • Insulin resistanceA

    Lower insulin resistance

    Glycemic & metabolic

  • Bone mineral densityA

    Increase bone mineral density

    Bone density

The brand

Thorne

79/100

Thorne has a strong quality posture, but public transparency is mixed because certification is visible while batch-level certificates of analysis are not readily available.

Quality 88
Formulation 97
Safety 95
Transparency 77
Value 54
  • ✓ NSF certified
  • ✓ Third-party tested
  • ✓ Effective dosing
  • ✓ Premium ingredients
  • ✓ Research-backed
Read the full Thorne investigation →

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