Josh, I'll have to check out the book! Jody, just link back to your site. Hopefully you have analytics set up for your website, which it make it easier for you to track how many people clicked on that link from Facebook--helping you understand how important your Facebook business page is for your company.
The average (or more correctly the arithmetic mean) amount of vitamin k contained in 100g of grapefruit juice, based on the list below of 6 different items under the general description of grapefruit juice, is 0.02 ug of vitamin k.
Your body doesn't store vitamin C, so you need to consume it every day. One serving of grapefruit is half of a medium grapefruit, which is 4 inches in diameter. Each serving contains 44 milligrams of vitamin C, which is 73 percent of the daily value of 60 milligrams for people following a 2,000-calorie diet.