Here's a report on the use of performance-enhancing and weight-loss supplements is prevalent in the United States. The report notes that with new restrictions placed on such products, companies have been marketing caffeine-based ephedra-free herbal supplements.
The report notes, "less is known about the potential side effects of these products. We present the case of a 42-year-old, previously healthy man who developed malignant hypertension and hypertensive retinopathy while taking Hydroxycut, a caffeine-based ephedra-free supplement."
Find the abstract here.
