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Brewer’s Yeast as a flea preventative

November 24th, 2011 | Posted by Monica in Brewer’s Yeast as a flea preventative - (Comments Off on Brewer’s Yeast as a flea preventative)

Despite the popularity of this myth, the fact is that adding brewer’s yeast or nutritional yeast to the diet does nothing to detract fleas. I’ve often been pointed to websites and books that make this claim and some people insist that they can prove it’s true. Their “proof” is that their dog never had fleas …
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