Where can we find Vitamin K1?

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Vitamin K1 (Phylloquinone) is a fat-soluble vitamin that plays a crucial role in blood clotting and bone health. It is one of the two main forms of vitamin K, the other being vitamin K2.

Key functions of vitamin K1 include:

1. Blood Clotting: Vitamin K1 is essential for the synthesis of certain proteins involved in blood clotting. These proteins, known as clotting factors, help prevent excessive bleeding when injuries occur.

2. Bone Health: Vitamin K1 is involved in the regulation of calcium within bones and contributes to bone mineralization. It works in conjunction with other vitamins and minerals to support bone density and strength.

3. Vascular Health: Some research suggests that vitamin K may play a role in supporting vascular health by helping to prevent the calcification of blood vessels.

Dietary sources of vitamin K1 include:

• Leafy green vegetables: Spinach, kale, broccoli, and Brussels sprouts are particularly rich in vitamin K1.

• Vegetable oils: Soybean oil, canola oil, and olive oil contain vitamin K1.

• Some fruits: Certain fruits, such as blueberries and grapes, also contain small amounts of vitamin K1.

Vitamin K1 is primarily found in plant-based foods, and it is generally well-absorbed from the diet. Additionally, the gut microbiota can contribute to the synthesis of a small amount of vitamin K.

Deficiency of vitamin K is rare, but it can lead to impaired blood clotting, resulting in excessive bleeding. Certain medical conditions, medications, or malabsorption issues can increase the risk of vitamin K deficiency.

Vitamin K1 is distinct from vitamin K2, which is found in animal products and fermented foods. Vitamin K2 has additional roles in calcium metabolism, influencing its deposition in bones and teeth and helping prevent its accumulation in arteries and soft tissues.

As with any nutrient, it's important to maintain a balanced diet to ensure an adequate intake of vitamin K. If there are concerns about vitamin K status or if someone is taking anticoagulant medications, it's advisable to consult with a healthcare professional.



-- Written by Hala, founder of Dietapplements