Extracts from the ginkgo tree are sold in over-the-counter (OTC) medicines purported to increase memory. Extracts from what other gymnosperm were once sold in OTC weight loss supplements?
A) Ephedra
B) Eucalyptus
C) Welwitschia
D) Archaeopteris
E) Sequoiadendron

Question

Quizplus · Accepted Answer

Ephedra, a gymnosperm, was once commonly used in over-the-counter weight loss supplements due to its stimulant properties before concerns about safety led to restrictions on its use.

Extracts from the Ginkgo Tree Are Sold in Over-The-Counter (OTC)