This document provides an overview of popular herbs used in the U.S. market, including their history and uses. It discusses that herbs have been used as medicines since ancient times by cultures like the Sumerians, Chinese, and Egyptians. The document identifies some of the top herbs considered safe and effective, such as echinacea, garlic, ginger, and ginseng. However, it also notes that some herbs should be used with caution and could cause toxic effects like liver damage if not taken properly.

1. Popular Herbs in the U.S. Market Overview Definition Guide