A flea infestation can be annoying and unhealthy for both you and your cat. Adding brewer's yeast to your cat's food can be an effective method of flea control.
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Benefits
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Brewer's yeast is comprised of thiamine (vitamin B), considered to be a flea repellent.
Types
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Brewer's yeast is available in tablet, flake, capsule or powder form.
Size
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A daily dose of 1 mg of thiamine, for every 5 lbs. of your cat's weight, is the appropriate dosage for flea control. For an average-size cat, this translates into 1 tsp. of brewer's yeast per day.
Alternate Use
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Dusting your cat's coat with brewer's yeast makes an effective flea powder.
Warning
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Some cats are allergic to yeast. If you see an adverse reaction, stop adding the brewer's yeast to their food.
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