On the  long scale , one billion is 1 million million, or 1 and 12 zeroes (1,000,000,000,000). The long scale is still used in some European countries (France, for example). The UK switched to the short scale in 1970/71. On the  short scale , one billion is 1,000 million, or 1 and 9 zeroes (1,000,000,000).
The amount of vitamin K in your diet can affect the amount (dose) of. warfarin you need to take. Your medicine dose must be balanced with your. diet to allow the drug to work correctly. A few things to remember when taking warfarin: You want a medium or moderate amount of vitamin K in the foods you. eat.
One nutrient that can lessen warfarin's effectiveness is vitamin K. It's important to be consistent in how much vitamin K you get daily. The adequate intake level of vitamin K for adult men is 120 micrograms (mcg). For adult women, it's 90 mcg. While eating small amounts of foods that are rich in vitamin K shouldn't cause a problem, avoid eating or drinking large amounts of: Kale; Spinach; Brussels sprouts; Parsley