Inhibitions can act in three ways: 1  Inactivation towards the enzyme (acting directly on the enzyme) 2  Inactivation towards substrate (removing the substrate like oxygen or phenolic compounds) 3  Inactivation towards the product (changing the product composition)
Vitamin A (Fat soluble): wheat grass, apricots, romaine lettuce, cantaloupe, mangoes, carrots, raw & juiced, nectarines, collard greens, peaches, hot chili peppers, leaf lettuce, pumpkins, sweet potatoes, spinach, red peppers, yams, tuna, turnip, beet greens, butternut squash, fish & eggs.itamin K (Fat Soluble): Green leafy vegetables including spinach, kale, cauliflower, broccoli & wheat grass. Vitamin K2 high-fat dairy products from grass-fed cows, liver and other organs, as well as egg yolks.
Vitamin Content of Iceberg Lettuce. Iceberg lettuce is an excellent source of vitamin A, K, and C. It is also a good source of thiamin, vitamin B6, and folate (vitamin B).