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Discover our selection of health supplements, probiotics, vitamins, milk replacers, newborn care, dewormers, microchips and more today!
Dr. Roy Nielsen, Jr., started Revival Animal Health as a second career more than 30 years ago. The small business that began in Doc Roy’s basement has since grown into a national pet health supply company with two locations, a state-of-the-art warehouse, and more than 85 employees. As we continue to grow we maintain our focus on industry-leading pet care knowledge. From our Animal Care Specialists to our pharmacy staff, you’ll find Revival employees are dedicated to creating Healthy Pets and Delighted Customers.
We support healthy living for dogs, cats, puppies, kittens, horses and foals. Explore our huge product line!

Breeder’s Edge for the Ultimate in Breeding Supplements
We offer complete systems for reproductive health from breeding through weaning. All of our products are made in the USA with care from our staff of veterinary experts. Oxy Mate, Oxy Momma, and In Between for Her are some of our most well known products that help cats and small dogs have success in breeding. Providing the correct supplements during the breeding process will promote a healthy long life.

Revival Animal Health Products for Healthy Horses
Revival Animal Health offers a wide range of products for horses and foals. Nurture Mate for Foals is a key colostrum supplement that will promote a healthy start to a foal’s life. It is easy to administer and great for your foal in 30ml format.

Doc Roy’s Healthy Vitamins for Four Legged Friends
Doc Roy’s products from Revival Animal Health promote strong and healthy development of cats and dogs. From daily care vitamins to products that specifically promote healthy bones, Doc Roy’s from Revival Animal Health provides the best results.

Track your pet’s health!
Health Records are handy for recording immunizations, fecal exams, deworming and medical appointments. Easy to keep all that important information at your fingertips. A simple tracking mechanism but so important to have on hand.
Check out our entire product line for your dogs, cats, horses and other four legged friends.

Package Dimensions : 6.77 x 3.74 x 3.58 inches; 1 Pounds
Item model number : GI Synbiotics – PARENT
Date First Available : April 4, 2013
Manufacturer : Revival Animal Health
ASIN : B00C72DM3G
Best Sellers Rank: #15,873 in Pet Supplies (See Top 100 in Pet Supplies) #92 in Dog Probiotic Supplements
Customer Reviews: 4.5 4.5 out of 5 stars (575) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
🌟GREAT FOR – overall digestive health and maintaining microbial balance in the GI tract
🦠 Packed with beneficial microbes! CONTAINS – live (viable), naturally occurring microorganisms to maintain a healthy microbial balance in the pet’s GI tract
🌱 Unique support for good gut bacteria! CONTAINS BGMOS, a unique ingredient to support the growth of good bacteria and help remove bad bacteria from the GI tract
🚫 Helps keep diarrhea at bay! RECOMMENDED – to minimize the potential for diarrhea and strengthen the pet’s immune system
🐾 Safe for all ages and picky eaters! SAFE – May be safely used in pets of all ages and stages; Chicken flavored
8 reviews for Doc Roy’s GI Synbiotics Probiotic & Prebiotic Granules for Dogs & Cats, Digestive & Immune Health Supplement with Live Cultures, BgMOS & Beta Glucans, Chicken Flavor, 454g Granules
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$55.99

Christy Rocha –
Really great product
This is an amazing product! My dogs love it and it works well. It’s worth the cost. My dogs have great digestion and beautiful coats.
Erika –
Good product
I like this product for my breeding dog after delivered puppies. This helped a lot and easy to feed.
d herrst –
Doc Roy’s Symbiotic granules are a great way to give pre & pro biotic at once.
I love using Doc Roy’s symbiotic G.I. granules. It is a great product to use when giving antibiotics.
Karen M –
Worked within hours
The Breeder recommended this since our 8 1/2 pound boxer puppy had diarrhea even though he was on the same food as Breeder gave him. She said most likely it was due to new environment. Poor baby was going every 2 hours for the first 48 hours home! I gave him an 1/8 tsp on his morning meal and poop was starting to firm up more and more within a couple hours and going less often. Been on it for 5 days and poops are as firm as my other dogs. I would definitely recommend this product since it worked almost immediately.
Weavers –
Great for any age dog!
We use this for our puppies and mommas to help with gut health. Highly recommend this for any age dog. dogs love the taste! A little goes a long way.
Liz E –
Delivery took too long
Great product, delivery took too long.
Bonjon –
Perfect for weaning kittens
Doc Roy has been a trusted brand in my cattery for many years. I like the granule form but when you have kittens not eating well, this is a great way to get probiotics in them. They aren’t thrilled with stuff getting shot in their mouths but they do not mind the taste.
William and Janet –
Healthy Puppies
Initially got Doc Roy’s from our puppies breeder. They are so healthy and active. Gave Doc Roy’s to our older dogs too. It helped them stop licking their paws. They are happier and bright now too.