Seven Seas is taking a number of the health supplements off shelves because they are contaminated with dioxins.
Details were revealed by the Food Standards Agency (FSA), which said the supplements contained illegal levels of the industrial pollutants.
The dioxin level found was 2.7 micrograms per kilo, some 35 percent above the legal limit of 2 micrograms. Both the FSA and Seven Seas described the higher level of pollutants as a "technical breach" rather than a risk to health.
Consumers who take the Seven Seas products to improve their health will be alarmed.
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