New studies due to be presented at the European Obesity Congress (ECO) this week prove that there is not enough evidence to link diet and herbal supplements to weight loss, this which makes the product difficult to justify for people looking to lose weight.

Herbal supplements, which are part of a £ 29 billion global industry, can include green tea, white beans, licorice root, and yerba mate. Much like diet products and weight loss shakes, herbal supplements have a questionable reputation when it comes to safe weight loss.

“While most supplements seem safe for short-term consumption, they are not going to lead to clinically meaningful weight loss,” lead author Erica Bessell of the University of Sydney said of the results that need to be. presented this week.

Researchers at the University of Sydney used a systematic review of 54 past randomized trials that measured the effectiveness and impact of weight loss supplements against placebos. Over the course of the 54 trials, 4,331 healthy, overweight and obese people were monitored, with the results ultimately showing that a single herbal ingredient, white beans, provided more significant signs of weight loss than the placebo.

“Herbal and dietary supplements may seem like a quick fix to weight problems, but people need to be aware of how little we actually know about them,” Bessell said. little data on long-term efficacy. “

“In addition, many trials are small and poorly designed, and some do not reflect the makeup of the supplements studied. The enormous growth of the industry and the popularity of these products underscore the urgency of conducting larger and more rigorous studies. reasonable assurance of their safety and effectiveness for weight loss. “

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