For an 11-stone woman, this would mean shedding more than a stone - or
a dress size.

Taking an Alli tablet with every meal is claimed to cause 50 per cent
more weight loss than willpower alone.
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The £1-a-day drug - the first of its kind to be sold without
prescription - promises to cut the weight of men and women by between
5 and 10 per cent in four months.

Around a quarter of those taking Alli are said to find their weight
drops by at least a tenth.