Japanese health enthusiasts are pursuing another lead in their quest for healthi er living. Following the green-tea boom, they are now drinking a much darker “tea,” prepared not from tea leaves but from black soybeans.

The infusion has a savory aroma of roasted beans and a slightly sweet taste. The left-over beans are soft enough to eat as a snack, thereby making them “a great way to consume all the nutrients in soybeans,” as a flier advertising black-soybean tea points out.

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