Vitamin K is in the family of fat-soluble vitamins. It is an essential nutrient that supports blood coagulation (blood clotting) and healthy bones. It is actually a group of compounds, of which there are 2 main forms – K1 and K2.
Vitamin K1 (phylloquinone) is made in plants and algae, and is present in green vegetables such as broccoli, spinach and kale, and is the primary source of Vitamin K, however as it is a fat-soluble Vitamin our bodies can have difficulty absorbing Vitamin K1. Eating dietary fats such as butter and oils may help enhance its absorption from these plant sources.
Vitamin K2 (menaquinone) is much less common; bacteria generate Vitamin K2, and it occurs in animal proteins – including high fat dairy products and organ meats, and also in fermented foods. Examples of sources include liver, egg yolks, cheese, yogurt and natto (fermented soybeans). The bacteria in our guts can synthesise small amounts of Vitamin K1 into K2. As it can prove difficult for some people to get these types of foods into their daily diets, supplementation may be a good option for some; and in particular those with a vegan lifestyle.
Vitamin K crucially plays a role in normal blood clotting and wound healing, and also contributes to the maintenance of normal bones.
Research has been conducted into Vitamin K and its potential to help prevent heart disease and bone disorders like osteoporosis. It has been found to be essential in maintaining blood hemostasis and optimal bone and heart health.
Vitamin K activates proteins that play a role in blood clotting, calcium metabolism and heart health. In particular vitamin K2, is essential for calcium use, helping to build strong bones and inhibiting arterial calcification.
Vitamin D works synergistically with Vitamin K2, helping to keep both your heart and bones healthy. Vitamin D3 ensures that calcium is absorbed easily, and Vitamin K2 directs it to ensure it reaches the bone mass, while preventing arterial calcification.
Separately Vitamin D3 also supports a healthy immune system and supports muscle function.
Our capsules contain Vitamin K2 that is suitable for vegans, combined with a vegan form of Vitamin D. It is in the form the body naturally produces: D3 (cholecalciferol), and has been proven to be chemically identical to animal-origin Vitamin D3.
One capsule per day provides you with 200µg of Vitamin K2. As with introducing any new supplement into your diet we would advise discussing with your doctor, especially if you are taking any existing medications. Vitamin K is not recommended if you are on any blood-thinning medication such as warfarin.
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References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4566462/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6040265/
https://www.ncbi.nlm.nih.gov/pubmed/11706280
