Athletes and bodybuilders everywhere are doing anything to squeeze out that last rep when lifting, and if this means taking a pre-workout drink to get them through it, they'll risk a lot, in fact, everything, to train their body to the max. Last year, a kid in the Army took pre-workout before running with his squad for training and passed away after going into cardiac arrest. This caffeine and who-knows-what filled powder dilates your blood vessels and pumps blood harder and faster through your body, as well as giving you enough caffeine to fill about 3 cups of coffee. But is it safe? Most doctors would s*** a brick if you showed them what was under the ingredients list, filled with words you've never heard of, or much less can't even pronounce (see right).I see it in the weight room, before practice and games and even in the morning before kids are going to class to give them the energy they need to perform to their best, or in some cases, just to get through the school day. But is it really necessary? For all the potential risks these drinks have, there is a lot to risk just for just a small, extra push in muscle development, including strokes, cardiac arrest, liver problems, and even addiction if you are taking it to often. After continuous use, it starts to not have an effect on your body, so we can end up taking double dosage, which leads to twice the risk of all these side effects. I think as long as it is taken with the recommended dosage, not on an empty stomach and not regularly to avoid unintentional addiction, it it fine to take. However, I think most of us can still stick to the old-fashioned healthy diet full of carbs and lean proteins to give us the proper energy to boost us through these workouts.
http://www.livestrong.com/article/1003313-preworkouts-bad-you/
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