Advice to consumers not to use Ultra Slim, a herbal slimming product

All herbal safety warnings and alerts

28 November 2012

The MHRA is advising consumers not to use the product specified below due to concerns about possible side-effects.

Product name

Ultra Slim

Product description

The product is in capsule form, it is advertised as a natural weight loss product based on a Chinese herb formula called DaiDaiHua. This product was shipped from the USA. We have also issued a previous alert about DaiDaiHua.

Ultra Slim

Reason for warning

The MHRA has received advice from the Danish Medicines Agency that this unlicensed product have been tested and found to contain the Prescription Only Medicine Sibutramine which was withdrawn from the market in January 2010, on safety grounds, due to increased risk of heart attacks and strokes.

It is unclear whether these products are available in retail outlets but could be available on the internet.

Possible side effects

Sibutramine has been withdrawn from the EU market, due to increased risk of heart attacks and strokes,

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Page last modified: 13 December 2012