'Beer, especially American beer, is made with all sorts of ingredients beyond the basic hops, malt and yeast. There are numerous other ingredients used to clarify, stabilize, preserve, enhance the color and flavor of beer.
When you drink beer, there is almost a 100% chance that you don’t know what you are drinking (unless you quizzed the beer companies like I did). The ingredients in beer are not required by law to be listed anywhere on the label and manufacturers have no legal obligation to disclose the ingredients. For regular beer, calorie levels and percent alcohol are optional and for light beer calories are mandatory but alcohol levels are optional.'
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