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Four Leaf Rover

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Jar of S. boulardii, a probiotic yeast for occasional digestive distress, 1.8 ounces

Four Leaf Rover

4.5 (123)

Saccharomyces boulardii

Name: Four Leaf Rover Saccharomyces boulardii - Saccharomyces boulardii
Brand: Four Leaf Rover
SKU: 39793832263746
Price: 29.99 USD
Availability: InStock
Rating: 4.766 (23 reviews)

4.5 (1,234)

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Tough on gut stress, gentle on your dog—Saccharomyces Boulardii is a resilient probiotic yeast that thrives even in the presence of gut-harming drugs and chemicals.
Ideal for dogs on long or short-term antibiotics.

Reviews

4.8

47 ratings

happy customer

Great products and such quick delivery. Wish I had found out about your shop earlier

Ashleigh · April 28, 2026

Support During Meds

I purchased this for my 2 yr old GSD mix while he's taking meds. He has a sensitive stomach, and his typical probiotics would counteract the efficacy of the medicine, and this has been a great alternative during his treatment.

Kendra · February 27, 2026