SubCalc
Supplement Selected:
"Vitamin K is a group of structurally similar, fat-soluble vitamins that the human body needs for modification of certain proteins that are required for blood coagulation, and in bone and other tissue."
"Vitamin K is a fat-soluble vitamin. The 'K' is derived from the German word 'koagulation'. Coagulation refers to the process of blood clot formation. Vitacins involved in blood clotting."
"Foods that contain a significant amount of vitamin K include beef liver, green tea, turnip greens, broccoli, kale, spinach, cabbage, asparagus, and dark green lettuce. Chlorophyll is the substance in plants that gives them their green color and provides vitamin K. Freezing foods may destroy vitamin K, but heating does not affect it."
"There are few nutrients as closely identified with a specific food source as vitamin K. We list ten foods and spices that contain more than the adult male Adequate Intake (AI) for vitamin K, and each one is a green vegetable. In fact, you'll need to go down to number 17 on our list to find the first food soybeans that is not green."
Method Selected:
"Recommended Dietary Allowances (RDA) - The daily dietary intake level of a nutrient considered sufficient by the Food and Nutrition Board to meet the requirements of 97.5% of healthy individuals in each life-stage and sex group. It is calculated based on the EAR and is usually approximately 20% higher than the EAR. ... Tolerable upper intake levels (UL) - To caution against excessive intake of nutrients (like vitamin A) that can be harmful in large amounts. This is the highest level of daily consumption that current data have shown to cause no side effects in humans when used indefinitely without medical supervision."
Question AnswerUnits
What is your life stage group?
What is your age? years (Use months if you
chose 'Infant' previously)
"Recommended Dietary Allowances (RDA) - The daily dietary intake level of a nutrient considered sufficient by the Food and Nutrition Board to meet the requirements of 97.5% of healthy individuals in each life-stage and sex group. It is calculated based on the EAR and is usually approximately 20% higher than the EAR. ... Tolerable upper intake levels (UL) - To caution against excessive intake of nutrients (like vitamin A) that can be harmful in large amounts. This is the highest level of daily consumption that current data have shown to cause no side effects in humans when used indefinitely without medical supervision."