As both legal and illegal sources of amphetamines have dried up, a flood of bogus products has appeared. Called look-alikes, they are tablets and capsules made to look like pharmaceutical amphetamines but contain no controlled substances. Some are legally manufactured for over-the-counter sale in drugstores; others appear in head shops or are sold by mail order or on the street.
Look-alikes contain caffeine, ephedrine, or phenylpropanolamine, either singly or in combination. Ephedrine is a natural stimulant with a chemical structure resembling adrenaline that produces more anxiety and less euphoria than amphetamines. It
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