Thorne Vitamin K2

Thorne · Vitamin K2

Thorne

Vitamin K2

Vitamin80 servings

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

How to takeSuggested 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.

Quality

How it scores

Overall

A

Evidence

A

Dose

A

Formulation

A

Brand

79/100

Dose check

Is it dosed to do anything?

  • Vitamin K

    At the studied dose

    45 mg / day studies used 0.2-45 mg · 16 studies

What Vitamin K is good for

  • MobilityC

    Move more easily day to day

    Physical functioning

  • Fracture riskB

    Lower fracture risk

    Bone density

  • IL-6 inflammationC

    Lower a key inflammation marker

    Inflammation & oxidative stress

  • Vitamin K statusB

    Improve vitamin K status

    Endocrine & hormonal

The label

What's in it

Serving size 15 Drop(s)

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

Other ingredients

Clean formula. The inactive ingredients are standard capsule components.

  • Medium Chain Triglyceride Oil
  • Mixed Tocopherols: antioxidant; beneficial

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.

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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