1. But now the product, and similar herbal stimulants, is the target of an increasingly determined campaign to ban it from store shelves. 2. Chemically, chocolate contains the alkaloid theobromine, a mild stimulant similar to caffeine that opens blood vessels and stimulates the heart. 3. The plant contains a deadly heart stimulant similar to the drug digitalis. 4. The IOC medical commission said bromantan was a performance-enhancing stimulant similar to amphetamines. |
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