Adding fat-soluble vitamins A, D, E and K to Schwartz's brew didn't make sense, since beer is fat free.

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Vitamin D is a fat-soluble vitamin that occurs naturally in a limited number of foods, so fortified foods including milk, margarines and breakfast cereals and dietary supplements are the major source for most Americans.

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We do need some fat -- it transports fat-soluble vitamins (A, D, E, and K), carries flavors and helps you feel satisfied after eating -- but look for monounsaturated and omega-3 types and avoid saturated and trans fats.

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"More is not necessarily better...some vitamins and minerals can be toxic in high doses, " particularly the fat-soluble ones which the body stores like Vitamins A, D, E and K, explained Claire Williamson, Nutrition Scientist at the British Nutrition Foundation.

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Beta carotene is a type of carotenoid, a plant pigment that is a provitamin for vitamin A. During its digestion and metabolism, a percentage is converted to vitamin A, a fat-soluble vitamin that is important for vision, growth and development, and healthy immune and reproductive function.

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The process of detoxification allows the liver to convert fat solubles stored in our cells into water-soluble substances that can easily be excreted.

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Dioxin, which is fat soluble, has a "half-life" of seven years in the body: It takes that long to break down half the quantity of the compound.

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