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THE INSIDE STORY
April 07, 2003
What's in that pill you're about to pop or that drink you're ready to chug? A guide to some common ingredients in sports supplements and their potential dangers
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April 07, 2003

The Inside Story

What's in that pill you're about to pop or that drink you're ready to chug? A guide to some common ingredients in sports supplements and their potential dangers

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ANDROSTENEDIONE, ANDROSTENEDIOL

Steroid precursors that stimulate the body's production of testosterone

FOUND IN
Supplements such as Andro 100 Poppers; the body converts andro into testosterone, which is believed to increase lean muscle mass

POTENTIAL RISKS
Have the potential to produce adverse effects linked to anabolic steroids: breast enlargement and testicular atrophy in men; breast shrinkage and deepened voice in women; growth retardation in teens

WHO BANS IT
NBA, NFL, NCAA, WADA

CAFFEINE

Stimulant and mild diuretic causes a feeling of heightened alertness

FOUND IN
Coffee, tea, chocolate, colas, energy drinks such as Red Bull and headache tablets; some supplements and drinks such as SoBe Sports System contain extract from guarana, a caffeine-rich plant

POTENTIAL RISKS
Has mildly addictive effect; in large quantities, can cause cardiac arrhythmia

WHO BANS IT
NCAA, WADA (in amounts roughly equivalent to consuming eight cups of coffee in a two-hour time frame)

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