Dr.by CAT BIOME Cat Probiotics - Digestive & Gut Support for Cats, Diarrhea Relief, Immunity Booster with Lactiplantibacillus plantarum Lickable Formula Individually Packaged

Regular Price
$87.88
Sale Price
$87.88
Regular Price
Sold Out
Unit Price
per 

Big Frenchies Size Charts
(scroll down to see the rest)

Baby Onesie Size Chart

onesie size chart


Women's T-shirt Size Chart

women's t-shirt size chart


Men's T-shirt Size Chart 

men's t-shirt size chart


Infant Long Sleeve Onesie Size Chart

Size Chart - Infant Organic Long Sleeve Onesie

Infant Rib T-shirt Size Chart

Size Chart - Infant Organic Rib Tee

Youth Short Sleeve Crew T-shirt Size Chart

Size Chart - Youth Organic Short Sleeve Crew Tee

Unisex Sweatshirt Size Chart

Size Chart - Unisex Sweatshirt

Infant Rib Pants Size Chart

Size Chart - Infant Rib Pants

About This

  • Diarrhea? Sensitive stomach? Constipation? Your cat’s gut needs help. Daily probiotics for better digestion, immunity, and bathroom habits. Dr.BY Cat Biome. Lickable. Reliable. Loved.
  • Half the battle with any supplement is palatability. If they won't eat it, it won’t matter how good the product is. Just squeeze up and serve! A specialized formula designed for gut and digestive health—yet as easy and enjoyable as a treat. Supports healthy digestion, balanced gut flora, and everyday tummy comfort in a way your cat will love!
  • Lactiplantibacillus plantarum CIB001 is a heat-treated probiotic that helps balance the gut microbiome, relieve diarrhea, and strengthen immunity by supporting the intestinal barrier. It’s designed to survive heat and stomach acid, ensuring its benefits reach the gut where they matter most. We chose this gentle, stable strain in response to cat parents who experienced bloating or discomfort from conventional probiotics—because digestive care shouldn’t come with trade-offs.
  • Plus, synergistic ingredients like Fructooligosaccharides (FOS), Galactooligosaccharides (GOS), oat fiber, zinc, and magnesium are included to support probiotic function and your cat’s overall wellness
  • Principles for Developing Nutrition for Our Lovely Pet: The key to developing Dr.BY's nutritional health supplies is simple and steady feeding and minimal stress from both caregivers and pets. Build up a happy and delicious health every day! Dr.By CAT BIOME is a gentle formula that can be treated from kittens to old cats.
  • Dr.BY uses 100% human-grade raw materials, and conducts self-quality tests every three months. There is no gastrointestinal disorder or hepatotoxicity at all, so you can use this consistently every day and without resting period! It is a product manufactured meticulously by HACCP and ISO proven manufacturing facilities, so don't worry! We would like to hear your various opinions on the product. Feel free to contact us!

How long will it take to ship my order?

Your order will be shipped within 3-8 business days.

How much does it cost?

We offer free trackable shipping on select items.

Shipping rates for partner brand items and international orders may vary and will be calculated at checkout.

Where is my order shipped from?

Big Frenchies apparel is shipped in plastic-free packaging directly from our Virginia facility. Items from our partner brands may have different packaging and can be shipped from any of their fulfillment locations worldwide.

How long does shipping take?

USA: 3-8 business days
CA, AUS, UK, and Europe: 5-21 business days
Rest of world: 5-25 business days

As a small family-owned business, we thrive on your feedback, so it's vitally important for us to make sure you're happy with your purchase.

Our return policy is simple: You have 30 days from delivery to request a return or exchange for most products shipped within the United States.
Customers are responsible for return shipping costs unless the return is due to a defective product. Learn more about our full return policy.

Please note:

  • Returns are only available for US orders. International orders are final sale.
  • For health and safety reasons, personal care items (like baby creams, shampoos, balms, sunscreens, and lotions) and food products cannot be returned once opened.
  • Custom and handmade items are final sale and cannot be returned or exchanged, as they are crafted specifically to order.
  • A restocking fee may apply to certain eligible returns. If applicable, this will be communicated upon return authorization.

You can reach out to our customer support team by submitting your request via the "Contact Us" form or by emailing us at support@bigfrenchies.com. A member of our support staff will respond to you as soon as possible.

We'd love to hear from you!
The best way to reach us is via email: support@bigfrenchies.com.

Have questions about sustainability, shipping, return, exchange or something similar?

Check our FAQ page.

Subscribe to our newsletter

Signup for our newsletter to stay up to date on sales and events.

*By completing this form you're signing up to receive our emails and can unsubscribe at any time