Dietary supplements are big business. Last year, the U.S. market for dietary supplements was $27.6 billion, almost $10 billion more than we spend on athletic foot ware. According to a report by Grand View Research, the global market for dietary supplements will grow ten-fold to $278 billion by 2024.
But the more we learn about dietary supplements, the more public health questions they raise. Are dietary supplements safe? Are they effective? Who monitors manufacturing facilities, tests imported products and records adverse reactions?