Vitamin K1

Vitamin K1 (phylloquinone) is a naturally occurring fat-soluble vitamin crucial for blood clotting and bone metabolism. Found primarily in leafy greens like spinach, kale, and broccoli, it supports the body’s ability to produce proteins required for healthy coagulation and bone mineralization. While Vitamin K1 deficiency is rare, certain individuals—such as those with malabsorption issues or prolonged antibiotic use—may benefit from supplementation under medical guidance. Unlike Vitamin K2 (menaquinone), which is linked to cardiovascular health, K1 is the primary form responsible for activating clotting factors. Always consult a healthcare provider before starting supplements, especially if taking blood-thinning medications like warfarin, as Vitamin K1 can interact with them. A balanced diet rich in green vegetables typically provides adequate Vitamin K1. Supplements should only be used to address specific deficiencies or as advised by a professional.