The Fat Free Craze
The concept that some fats are essential for good health is just emerging in the awareness of the general public, but the aversion to fat resulting from many years of indoctrination against fat has resulted in great consumer demand for low-fat or nonfat products.
Some manufacturers, eager to increase their sales, concoct products that use monoglycerides, diglycerides, or fatty acid esters of polyglycerol, and argue that these products are "Fat Free" because only triglycerides are fats. Average consumers eat these products under the illusion that they are low in calories because the manufacturers do not disclose the calories of these components in the Nutrition Facts.
In addition, most products containing monoglycerides, diglycerides, or artificial fats do not state whether the constituent fatty acids are saturated or hydrogenated.
New regulations are often adopted as a reaction to abuses like this, but it is a slow process that may be further delayed by lobbying and enables manufacturers to continue reaping profits in the meantime.
Source: http://www.scientificpsychic.com/fitness/fattyacids2.html
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