Evidence lacking for herbal weight-loss treatments

There is insufficient evidence to recommend any of them, but some warrant more study, say Aussie authors

The first comprehensive review of herbal supplements for weight loss in almost two decades shows insufficient evidence to recommend any as treatments, say Australian researchers.

Green tea

The University of Sydney investigators included 54 randomised controlled trials comparing the effect of herbal medicines with placebo for weight loss in more than 4000 participants.

Even though many of the herbal medicines showed statistically significant greater weight loss than placebo, this was less