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Science Has Shown These Five Weight Loss Supplements Are a Waste of Money

Posted 11 December 2019

By Clare Collins, Lee Ashton & Rebecca Williams

The Conversation 8 Dec 2019

When you google “weight loss” the challenge to sort fact from fiction begins.

These five supplements claim to speed up weight loss, but let’s see what the evidence says.

1. Raspberry ketones

Raspberry ketones, sold as weight loss tablets, are chemicals found in red raspberries responsible for that distinct raspberry flavour and smell. You can also make raspberry ketones in a lab.

A study in obese rats found raspberry ketones reduced their total body fat content.

In one study, 70 adults with obesity were put on a weight loss diet and exercise program, and randomised to take a supplement containing either raspberry ketones, or other supplements such as caffeine or garlic, or a placebo.

Only 45 participants completed the study. The 27 who took a supplement lost about 1.9 kilos, compared Read the rest