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Evidence lacking for “alternative” weight-loss therapies

Posted 07 July 2021

A systematic review of published research evaluating the efficacy of dietary supplements and “alternative therapies” for weight loss among people at least 18 years of age has found that supportive evidence is weak. Many clinical trials were also hampered by a significant risk of bias due to inconsistent testing methods. Problems with studies include small sample sizes, short follow-up periods, and poor study designs.
Reference: Batsis JA. A systematic review of dietary supplements and alternative therapies for weight loss. Obesity, June 23, 2021

Key findings included:

  • Out of 315 randomized controlled trials included in the review, 52 were classified as having a low risk of bias, of which 16 demonstrated significant weight changes for tested therapies compared to placebo.
  • No high-quality evidence supported acupuncture, calcium-vitamin D supplementation, chocolate/cocoa, phenylpropanolamineguar gumPhaseolus vulgarispyruvate, and mind-body interventions as weight-loss
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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)

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