Not only will the powder dissolve more evenly into his or her food, but your dog will absolutely love the gravy-like liquid in their bowl. Use beef or chicken stock if you really want to get him or her excited.

Change out your dog’s bowl each day and add about 1/2 teaspoon (1. 4 g) of powder for every 10 lb (4. 5 kg) your dog weighs to its daily fresh water. Be sure to provide another water bowl for your dog while you prepare the brewer’s yeast water.

If the dog licks the flea powder off it won’t make it sick, so don’t worry if you see your dog doing this. It will still have an effect as the dog ingests it rather than absorbs it. Be wary of sprinkling too much onto your dog’s coat, as brewer’s yeast has been known to make dogs gassy and can have effects on their stomach. Use about 1/2 teaspoon (1. 4 g) of powder for every 10 lb (4. 5 kg) your dog weighs. [3] X Research source

Know your dog’s level of health and any allergies it has, and read the label looking for things that could negatively affect your dog. Tablets are not recommended for old dogs or dogs susceptible to yeast infections. [4] X Research source Try a tablet infused with garlic or omega-3 oils. Garlic and omega-3 oils have flea-preventing effects, and mixing them with brewer’s yeast in the correct doses has been known to enhance the effect of the medication. [5] X Research source Be extremely careful with garlic, though, as it is a toxin to dogs like chocolate and can be deadly in large amounts. [6] X Research source

Make absolutely certain that you check your dog’s weight and find the corresponding dosage on the back of the pill bottle.

Make absolutely sure to check the pill’s packaging to understand the correct dosage amount, as large overdoses can cause reactions even in non-allergic dogs. [7] X Research source Oftentimes brewer’s yeast is infused with other anti-flea ingredients, which can help to prevent fleas further, but can also be harmful to your dog if he or she is prone to infections or if your dog is elderly. [8] X Research source Check the ingredients to know exactly what you are giving your dog.