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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

5 supplements that claim to speed up weight loss – and what the science says

Posted 31 January 2018

From The Conversation

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 (for raspberry ketones, Matcha green tea powder, Garcinia cambogia supplements, caffeine supplements, and alkaline water)

Read the rest

Health Canada toughens green tea extract warnings

Posted 17 November 2017

‘Cases of liver injury continue to be reported in Canada and worldwide,’ safety review says

By David Common, CBC News Posted: Nov 15, 2017 7:31 PM ET

Health Canada is ordering a more explicit warning on labels of green tea extract products over concerns about the risk of liver injury. The over-the-counter pills have become a popular option for those seeking to lose weight.

The change follows a federal safety review, prompted after Madeline Papineau, a 17-year-old in Cornwall, Ont., took the extract and quickly developed liver and kidney injury. Doctors were initially stumped by the damage, until the teen’s sister mentioned she’d been taking a diet supplement.

Health Canada says the risk of liver injury has been noted on the labels of products containing green tea extract since 2008. But on Wednesday the agency announced it was “clarifying warnings” by asking manufacturers to Read the rest

How not to lose weight: Green tea extracts

Posted 07 February 2017

 (Canadian Broadcasting Corporation Marketplace) investigate popular green tea weight loss supplements and uncover dozens of reports of liver failure. 

Diet pills with natural ingredients are part of a booming multi-million dollar weight-loss industry in Canada. But are they a waste of money? And are they always safe?

Watch the video here

Read the rest