What is Vitamin K?
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Vitamin K was discovered in 1929 as an essential nutrient for clotting blood.
The initial findings have been reported in the German journal Science, which has been dubbed a 'Koagulationsvitamin', the source of the 'K'.
The disease was also discovered by dentist Weston Price, who traveled the world in the early 1900s studying the relationship between diet and disease in different populations.
He found that non-industrial diets were high in certain nutrients and appeared to offer protection against cavities and chronic disease.
He called the mystery nutrient "activator X" and now thinks it's vitamin K2.
Vitamin K comes in two main forms:
Vitamin K1 (phylloquinone) : Found in plant foods such as green leafy vegetables.
Vitamin K2 (menaphthoquinone) : Found in animal and fermented foods.
Vitamin K2 can be further divided into several different subtypes, the most important being MK-4 and MK-7.
Vitamin K was originally found to be a nutrient involved in blood clotting. There are two forms: K1 (found in plant foods) and K2 (found in animal foods and fermented foods)
