Margarine: For the millionth time, margarine is not even eaten, it is an edible substance invented by the industry to replace butter, whose manufacturing process is more expensive and laborious. Its production is made from vegetable oils (canola, palm, soy), which go through various processes and addition of chemical products, such as solvents, acids (hydrochloric or sulfuric), emulsifiers, bleach, dyes, among others.