According to researchers at the University of Toronto, many ginseng based cold remedies are not proven in their ability to ward off illness.
With the popularity of Cold-fX, a ginseng based cold remedy; many similar products have recently hit the shelves. Cold-fX, developed at the University of Alberta, has shown some benefit in clinical studies, although more research is needed. However, many of the ginseng-based products have not been backed by any research.
While Health Canada is reviewing all claims by cold remedies, currently there is no regulatory body enforcing the label claims on the products.
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