The Ultimate Vitamin K2 Resource- great work by Chris Masterjohn. From comments section: one in three people are sensitive to MK 7 which gives them anxiety, sleeplessness, and a thumping heart beat....?
Why You Need Vitamin K2 (and Best Food Sources for It)
10 Foods Loaded with Vitamin K2 In the 1930’s, Dr. Weston A. Price discovered an unidentified nutrient which he deemed ‘Activator X.’ This fat soluble nutrient was found in grass-fed dairy, pastured meats, and traditionally fermented foods. Dr. Weston A. Price came to the ultimate conclusion that ‘Activator X’ is an incredibly important nutrient that is absolutely vital for abundant health and wellness. Years later, modern science has named this nutrient vitamin K2.
Wheat seems to associate with health problems in many contexts. Perhaps the reason we don't see the same type of association in US epidemiological studies is that everyone eats wheat. Only in a culture that has a true diversity of diet can you find a robust association like this. The replacement of rice with wheat may have caused the increase in calorie intake as well. Clinical trials of low-carb diets as well as 'paleolithic diets' have shown good metabolic outcomes from wheat avoidance