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Phylloquinone
Phylloquinone
Also known as: phytomenadione, Vitamin K1
Low concern
Phylloquinone is the principal dietary form of vitamin K and is widely used as a nutrient fortificant. It is recognized as safe at typical intakes; no Tolerable Upper Intake Level has been established due to low toxicity, but individuals on warfarin or other vitamin K antagonists should manage intake.
Found in
2,344 products
What it is
Vitamin K1, the natural plant form of vitamin K, used as a fortification ingredient.
Vitamin K fortificant.
Why it's flagged
- interferes with warfarin/vitamin K antagonist anticoagulants
What regulators actually say
"Phylloquinone (vitamin K1) is found primarily in green leafy vegetables and is the main dietary form of vitamin K."
Regulatory status
United States — FDA
Recognized nutrient for food fortification.
European Union — EFSA
Authorised vitamin source for food fortification.
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