试验用的是雷公藤红素（Celastrol）而不是雷公藤本身。研究人员特地警告用雷公藤减肥可能很危险

“Even though Celastrol did not produce toxic effects in mice, Ozcan strongly urges caution for now because in-depth toxicology studies and controlled clinical trials are needed to demonstrate the compound's safety in humans. "Celastrol is found in the roots of the thunder god vine in small amounts, but the plant's roots and flowers have many other compounds," he says. "As a result, it could be dangerous for humans to consume thunder god vine extracts to lose weight."