The Ancient Practice of Eating Animal Organs

An all meat diet is not what I would recommend. Vitamin A deficiency is a serious health condition, but it pretty much doesn't exist in the United States outside of weirdos who have weird diets. If you're not eating liver,. tomatoes, kale, eggs, cantaloupe, and fish oils, all have a lot of vitamin A in them. Carrots have beta carotene, which is a precursor to vitamin A.