Best Immune-Tree in 2026

IMMUNE SUPPORT BOOSTER SUPPLEMENT FOR CATS: Protects the natural anti-aging, immune, metabolic, and other factors from stomach acids in cats. These components help maintain cat's immune system and their ability to respond to different health issues. Prebiotics and probiotics help fight cat allergy symptoms, aid in skin and coat health, and promote healthy gut in cat digestive systems to alleviate symptoms of inflammatory bowel disease and leaky gut syndrome.

NATURAL CREAM FLAVOR CATS LOVE: We blend all natural cream flavoring together with our 100% Bovine Colostrum Powder for a taste that cats can't resist. Immune Tree colostrum is 100% tested organic, gluten free, GMO free, BSE free, antibotic free, and hormone free. Feline6 is ready to serve, just sprinkle the recommended serving over your cat's food. Your cat will love the taste of Immune Tree Feline6 Certified 6-Hour Colostrum Supplement!

FORMULATED FOR ALL CAT BREEDS, AGES & SIZES: Made for cats at all stages of life. We source our colostrum from happy and healthy, grass fed, USDA Grade A cows. Containing "Whole Food" natural growth factors and over 95+ natural growth factors, all cat essential factors, metabolic factors, and the vitamins our four-legged family members require for wellness. Never defatted, it's a pure and complete whole food. Our natural Chymosin coating protects and ensures bio-availability.

* 200 Billion CFUs - Higher Dose, More Effective: Highly potent active 200 billion CFUs probiotics per serving, 12 clinically proven strains + 3 organic prebiotics. 200 billion Shelf Stable probiotics can survive in stomach acid and reach the intestines. Great for support digestive and gut health, bloating, gas, intestinal health and Immune Health.

* Daily Digestion and Immune Support: Our 200 Billion CFUs Max Strength Probiotic supplement contains 60 capsules for 60 days supply, Take 1 capsule per day. Our probiotic capsule contains 3 organic prebiotics and 12 probiotics, help bloating & gas, support immune, digestive & gut health. No refrigeation required. Ideal for travel and on the go. Worth Every Penny！

* Powerful Probiotics for Women & Men: Our 200 Billion CFU probiotics are made for women and men. 200 Billion CFU probiotics per serving daily helps to balance to your gut, eliminating bloat and support the digestive system. Help maintain natural gastrointestinal tract balance, so as to promote gut health.

Culturelle Digestive Health Daily Probiotic Capsules are powered Lactobacillus rhamnosus (LGG).

LGG is naturally sourced and scientifically proven to work in harmony with your body to keep your digestive system in balance.* Helps with occasional digestive upset; including diarrhea, gas and bloating.* For daily use, take 1 vegetarian capsule per day

Every package of Culturelle meets the highest standards for purity and potency when consumed - not just when we make it. To preserve the billions of CFU’s (colony-forming units) in your Culturelle, store it in a cool, dry place away from direct sunlight

(1) 30-Count Box - Purina Pro Plan Veterinary Diets Probiotics Cat Supplement, Fortiflora Feline Nutritional Supplement

FortiFlora is the probiotic recommended by veterinarians (Kynetec, Probiotic Recommendation Study, March 2019)

Probiotic supplement for the dietary management of kittens and adult cats with diarrhea

One (1) 30-Count Box - Purina Pro Plan Veterinary Diets Probiotics Dog Supplement, Fortiflora Canine Nutritional Supplement

Probiotic recommended by veterinarians (Kynetec, Probiotic Recommendation Study, March 2019)

A Probiotic supplement for the dietary management of puppies and adult dogs with diarrhea

Digestive Health Support for Dogs and Cats: Proviable, a multi-strain probiotic supplement for dogs and cats, contains 5 billion colony forming units (CFUs) of beneficial bacteria to help support a healthy intestinal balance

Prebiotics to Support a Healthy Microbiome: Proviable contains prebiotics to encourage the growth of the beneficial Proviable probiotics within the intestinal tract

A Healthy Gut Supports Overall Health: Probiotics help support intestinal health after imbalances have occurred, such as diet changes/food sensitives, dietary indiscretion, stress due to travel or kenneling, or loose stool

Digestive Health Support for Dogs and Cats: Proviable, a multi-strain probiotic supplement for dogs and cats, contains 5 billion colony forming units (CFUs) of beneficial bacteria to help support a healthy intestinal balance

Prebiotics to Support a Healthy Microbiome: Proviable contains prebiotics to encourage the growth of the beneficial Proviable probiotics within the intestinal tract

A Healthy Gut Supports Overall Health: Probiotics help support intestinal health after imbalances have occurred, such as diet changes/food sensitives, dietary indiscretion, stress due to travel or kenneling, or loose stool

Number 1 veterinarian-recommended dog probiotic brand to support digestive health (Kantar Veterinary Tracker, 2021), making it a great dog supplement

From the makers of the number one probiotic supplement recommended by veterinarians (Kantar Veterinary Tracker, 2020)

Probiotic supplement for the dietary management of puppies and adult dogs with diarrhea

A nutritional probiotic supplement with high levels of antioxidants

Safe and effective in restoring normal intestinal health and balance

Promotes a healthy immune system

DAILY PROBIOTIC GUMMIES FOR KIDS: These delicious probiotic gummies help lessen minor abdominal discomfort & occasional bloating.*

CLINICALLY TESTED PROBIOTIC STRAIN: BC30 is protected by a natural protein shell to help it survive stomach acid 100X better.§ This survivability means more can reach your gut, where it can help support digestive & immune health.*

DIGESTIVE HEALTH + IMMUNE SUPPORT: Did you know that 70% of your child's immune system is located in their digestive tract? That’s where our patented BC30 probiotic can interact with intestinal cells to help support your child's overall digestive & immune health.

★Made in New York, USA★ NewRhythm 50 Billion Probiotics is made in a Facility Based in New York, USA. Our Facility is GMP Certificated, which Represent the Highest Level of Technology, Quality Purity and Consistency.

★50 Billion 20 Strains Targeted Release Formula★ NewRhythm 50 Billion Probiotics Capsules is Scientifically Backed and Clinically Proven, Formulated by Doctor with 50 Billion Living Organisms Per Serving, Featuring Targeted Release Technology to Help Probiotics Survive Stomach Acids and Reach Your Intestinal Track. Organic Prebiotics Fiber is also Included In the Formula.

★Potent and Pure for Your Digestive Health and Immune Health*★ Our All Natural Probiotics Provides Support For the Establishment and Maintenance of Favorable Intestinal Flora. Gives You Powerful Support for Healthy Digestion and Balanced Intestinal Ecology. Our Products are Shelf Stable that Does NOT Require Refrigeration.

Cutting Edge Delivery System: Our men and women's probiotics and prebiotics feature a protective patented delay release system to provide lasting relief and balance for a variety of concerns

Professional Grade: We believe gut health supplements for women and men should have lactobacillus and bifidobacterium and we feature four of these superstar digestive probiotics for men and women

Complete Digestive Support: Replenish your healthy gut flora and experience enhanced immunity and digestion with our lactobacillus plantarum probiotic and prebiotic for women and men with astragalus

Powerful Digestive & Immune Supplement: Our daily probiotic for women, containing 50 billion CFUs from 16 clinically proven strains, helps support digestive and immune health*.

Vaginal & Urinary Boost For Feminine Health*: Our industry leading probiotics with specially selected Lactobacillus rhamnosus and Lactobacillus reuteri may help boost a healthier vaginal flora and urinary tract*.

Carefully Formulated With Prebiotics & Cranberries: Prebiotics provide necessary nutrition for probiotics to thrive. Probiotics and prebiotics work together to deliver digestive health benefits*. This carefully formulated blend is also enforced with organic cranberry extract to help maintain vaginal health and relieve urinary tract infections*.

Targeted Strains for Vaginal & Urinary Boost*: With multiple targeted strains for women more closely mirroring the natural diversity of the human gut, our probiotics are carefully crafted to address the specific needs of woman's body. Taking regularly the specially targeted probiotics may help introduce helpful strains into your vagina & urinary tract, and reduce the binding of not-so-friendly micobes and yeast, thus maintaining yeast balance and vaginal & urinary tract health.*

Digestive Regularity & Immune Defense:* With a unique blend of 100 Billion CFUs from 32 carefully selected strains to encourage the flora diversity of your gut, this daily supplement helps restore digestive harmony and improve your intestinal health to fix issues with constipation or diarrhea.* Our shelf stable Women's Probiotics helps strengthen body’s natural defense by enriching and replenishing the useful microbes in the body.*

Professionally Formulated with Prebiotics Enzymes & Cranberries: Probiotics help restore the microbiota, while prebiotics provide the nutrients the microbes need to thrive on.* Organic Cranberry Extract, which naturally contains proanthocyanidins (PACs), can help prevent the adhesion of certain harmful microbes onto the walls of the bladder and help with UTI relief.* With enzymes built into this advanced formula, there’s no need to buy probiotics and digestive enzymes separately.

Supports Weight Management: In a Clinical study, 100 patients lost an average of over 30 lbs. in 90 days taking 300 mg of stimulant-free Greenselect Phytosome daily with a reduced-calorie diet & exercise. Greenselect is a green tea caffeine free extract

Supports Gut & Bloating: Contains Probiotics & organic prebiotics with natural green tea extract. With our weight management probiotics you can be assured that our formula has been formulated to you on your weight management journey

Supports Digestive Health & Balance: A daily probiotic and organic prebiotic with digestive enzymes to promote gut health and balance. These strains act together in supporting gut health. Our formula contains Capsimax to help promote weight management

SUPPORTS HEALTHY ANAL GLANDS: Glandex is scientifically formulated to support healthy anal glands. With key ingredients including pumpkin seed, Glandex promotes natural emptying of the anal glands & supports digestive health & seasonal allergies.

GUARANTEED TO BOOT THE SCOOT: Glandex results are guaranteed to help your pet "Boot the Scoot!” in 3-5 weeks & comes with a 100% satisfaction guarantee.

VETERINARIAN RECOMMENDED: Glandex is recommended by thousands of veterinarians worldwide & was developed by leading veterinarians to specifically support healthy anal gland function

1500% MORE EFFECTIVE: The pre and probiotics for women and men feature our unique delivery system that acts like no other. This prebiotic fiber and probiotic blend delivers 15 times more live bacteria directly to the intestinal tract

PREBIOTIC & PROBIOTIC: Our expertly formulated prebiotics and probiotics for women and men help nourish existing good bacteria in the digestive tract and provide additional beneficial bacteria for balanced protection and relief

SUPPORTS DIGESTIVE HEALTH: The kids probiotic and gut health supplements for women and men offer effective relief from bloating, gas pain and common IBS symptoms. The probiotic pearls may also help prevent future problems from arising

15 Targeted Probiotic Strains: Our formula includes excellent probiotics such as Lactobacillus, Bifidobacterium, and Streptococcus for women, men, and adults. With a proprietary delivery method, the probiotic organisms in this formula are released over an 8-10 hour period so they bypass your stomach acids and reach deep into your intestinal tract alive (where they are needed most) so you can experience the benefits that probiotics have to offer.*

An Easy Regimen and Convenient: The suggested use is to take 1 small pearl shaped tablet per day. That's it! With a time-released delivery, the benefits of this probiotic nutritional supplement are being delivered deep inside your gut hour-by-hour. There is also 0 refrigeration necessary. With the proprietary LiveBac manufacturing process, we offer a guaranteed, extended shelf life.*

Formulated For Your Needs: Did you know that 80% of your immune system is in your gut? Hyperbiotics PRO-15 probiotics helps replenish beneficial bacteria and may support digestive and immune health. This probiotic also includes naturally derived prebiotics. These prebiotic supplements are included in each pearl to help feed the probiotics for increased potency. Prebiotics are to probiotics what fertilizer is to a garden*

100 Billion CFUs, Shelf Stable, 34 Strains: Our probiotic contains a shelf stable 100 Billion Cfu & 34 Strains per serving & 3 Trillion Cfu per bottle. We saw a need for high-quality supplements that actually work and stand by their claims, our probiotics comes with a Satisfaction Guarantee. Professional grade Non-Gmo vegan probiotics with No: Binders, Soy, Gluten, Milk, Egg, Wheat, Peanuts, Shellfish, Additives, or Preservatives.

100% Raw Probiotics, Organic Prebiotics And Digestive Enzymes: Our Dr Formulated probiotic is made with genuine prebiotics, digestive enzymes, and probiotics A complete once daily probiotic supplement.

Doctor Formulated Probiotic Supplement: Our one-a-day whole food probiotic with digestive enzyme & prebiotic fiber is Dr. formulated for an optimal blend of ingredients

200 Billion CFUs Probiotics High Potency for Max Results: Not 50 or 60 Billion Cfus, our Summatah contains 200 Billion Cfus probiotic per serving daily. Powerful Strength Probiotic for Women and Men. Summatah probiotics provide you with a best probiotic supplement for your Digestive & Gut health, Gas & Bloating, and Immune support.

Digestive & Gut Health Support You Can Trust: Summatah 200 Billion CFU Probiotics can keep your digestive and gut health you need to meet life’s daily challenges, giving your body the right support. Our probiotic contains 12 diverse high-quality probiotic strains and 3 organic prebiotics - synergistically working together to support your digestive, gut Health gas & bloating,and Immune system!

Worth Every Penny: 60 capsules for 60-Day supply per bottle / 200 billion CFUs per serving daily. Powerful Strength Probiotic for Women and Men, it's a simple addition to your healthy routine. Shelf-stable, easily carry and swallow, take 1 capsule daily, to support you digestive & gut health, feeling you are at your best at this time, keeping your digestive, gut and body at PEAK condition.

For Ages 4 years+ - The Support Your Kids Need: With 5 Billion CFUs, 7 Diverse Strains, Organic Prebiotics, Vitamins & Minerals to support digestive & immune health. Support your child's gut biome with our berry-flavored chewable tablet.

Proactive Immune Health & Heroic Gut Balance: Stay ahead of the curve with Zinc, Vitamin C, D3, & 7 supportive strains selectively chosen for their unique characteristics in supporting digestive & immune health*. Probiotics for Digestive Health

Approved by Pediatric Gastroenterologist: Made just for kids, approved by our Scientific Advisory Board. Contains L. Rhamnosus GG, the most clinically studied strain in children & proven to help keep kids healthy. High Quality Kids Probiotics

100 Billion CFU's, Shelf Stable, 34 Strains: Our probiotic contains a shelf stable 100 Billion CFU & 34 Strains per serving & 3 Trillion CFU per bottle. We saw a need for high-quality supplements that actually work and stand by their claims, our probiotics comes with a Satisfaction Guarantee. Professional grade Non-GMO vegan probiotics with No: Binders, Soy, Gluten free, Milk, Egg, Wheat, Peanuts, Shellfish, Additives, or Preservatives.

100% Raw Probiotics, Organic Prebiotics, Digestive Enzymes, & Urinary Tract Ingredients Our Dr Formulated probiotic is made with genuine prebiotics, digestive enzymes, and probiotics. A complete daily women's probiotic supplement.

Doctor Formulated Probiotics Supplement: Our two-a-day whole food women's probiotic with digestive enzyme & prebiotic fiber is Dr. formulated for women's health

Spore Forming Soil Based Probiotics: Modern farming and modern processing practices have removed beneficial soil-based probiotics from our food. Our SBO Probiotic populates the gut with healthy organisms to create balance in the microbiome. With spore probiotics that include Bacillus subtilis, Bacillus coagulans and Bacillus clausii, our premium SBO probiotic is formulated to replace the spore forming probiotics that have been missing from the modern diet.

Supports Healthy Digestive Systems: Soil based probiotic supplements for men and women taken daily can help promote overall digestive health. By taking an SBO probiotic with spore-forming bacillus strains, you can ensure that your microbiome is supported with beneficial organisms.

Organic Fermented Supplement: Our soil-based probiotic includes fermented barley, fermented ginger and organic apple cider vinegar. Fermented foods are natural sources of probiotic organisms, and barley and apples are natural prebiotic foods that help feed probiotic organisms so they can thrive in the gut. Organic apple cider vinegar and ginger are natural antioxidants as well, providing a complete supplement that supports healthy microflora in the body.

MORE PROBIOTICS PER SERVING (6 Billion CFUs) - Our Probiotics soft chews for dogs help support proper digestion and bowel health with a delicious combination of pumpkin, probiotics and digestive enzymes. Two of our 3 gram Probiotic chews have 6 billion CFUs which is more than most other brands. This means better results and a supply of probiotics that will last you longer than other brands!

PREMIUM NATURAL INGREDIENTS + MADE IN THE U.S.A. - At Pet Honesty we're committed to premium quality ingredients and strict safety standards. Our Probiotic dog chews are made with natural ingredients and contain zero wheat, GMOs, corn, soy, sugar and harsh preservatives. We manufacture in the U.S. in a GMP-certified facility and only use the highest-quality, U.S. and globally sourced ingredients with natural digestive health properties like pumpkin and natural probiotics.

SUPPORTS HEALTHY DIGESTION + NUTRIENT ABSORPTION - Our Probiotic soft chews balances your dog's intestinal microflora and maintain proper gut pH levels. Relying on natural ingredients like pumpkin, canine-specific Lactobacillus strains and a special enzyme blend, these chews are great for supporting your dog's digestion, stomach, and GI tract, and also help with loose stools.

VET-RECOMMENDED FOR DIGESTION + IMMUNE SUPPORT: Pet Honesty's Digestive Probiotics + Powder for cats is naturally and deliciously flavored with real chicken and fish and is an easy way to help support healthy digestion and immune response in your cat. It's made with natural ingredients and no chemical fillers or harsh preservatives so you can rest assured you're giving your feline friend the best quality product possible.

PROMOTE INTESTINAL + GUT HEALTH: This delicious tasting powder will help promote healthy gut flora with 5 Billion CFUs of Probiotics, 12 different probiotic strains particularly suited for cat digestive health and the Prebiotic Inulin. Unlike other probiotic powders for cats, Pet Honesty's Digestive Probiotic+ is formulated with a high amount of CFUs and probiotic strains that are optimal for feline digestive health.

MADE WITH NATURAL INGREDIENTS: This Probiotic Powder for Cats achieved a higher than usual palatability score in testing because of the addition of Catnip leaf to make it appealing to cats. This powder is also made with only natural ingredients and flavorings like like chicken liver, chicken heart, fish collagen, chicory root + catnip.

MORE PROBIOTICS PER SERVING (6 Billion CFUs) - Our Probiotics soft chews for dogs help support proper digestion and bowel health with a delicious combination of pumpkin, probiotics and digestive enzymes. Two of our 3 gram Probiotic chews have 6 billion CFUs which is more than most other brands. This means better results and a supply of probiotics that will last you longer than other brands!

PREMIUM NATURAL INGREDIENTS + MADE IN THE U.S.A. - At Pet Honesty we're committed to premium quality ingredients and strict safety standards. Our Probiotic dog chews are made with natural ingredients and contain zero wheat, GMOs, corn, soy, sugar and harsh preservatives. We manufacture in the U.S. in a GMP-certified facility and only use the highest-quality, U.S. and globally sourced ingredients with natural digestive health properties like pumpkin and natural probiotics.

SUPPORTS HEALTHY DIGESTION + NUTRIENT ABSORPTION - Our Probiotic soft chews balances your dog's intestinal microflora and maintain proper gut pH levels. Relying on natural ingredients like pumpkin, canine-specific Lactobacillus strains and a special enzyme blend, these chews are great for supporting your dog's digestion, stomach, and GI tract, and also help with loose stools.

PROBIOTICS FOR KIDS: From the #1 Pediatrician-Recommended Probiotic Brand, Culturelle Kids helps promote your child’s digestive health and immune support when taken regularly

PROVEN EFFECTIVE STRAIN: Lactobacillus rhamnosus GG (LGG) - the key ingredient in Culturelle Kids Daily Probiotic Packets is clinically proven to help with occasional tummy troubles, like diarrhea and occasional digestive upset

PROBIOTIC POWER: Culturelle Kids is a flavorless probiotic formulated with 5 billion CFUs (colony-forming units) of the most clinically studied LGG probiotic, proven to boost digestive & immune support

DIGESTIVE HEALTH SUPPORT - Nutri-Vet Pre and Probiotic for Dogs is a Veterinarian-formulated soft chew dog treat that supports digestive health and promotes proper intestinal microflora.

GREAT TASTE - Irresistable cheese and liver flavor is a proven favorite among dogs of all breeds and sizes.

GUT HEALTH SIMPLIFED - Avoid the mess and inconvenience of probiotic powders with Nutri-Vet's convenient soft chews which can be administered as a treat or at meal-time.

Convenient 30 sachets per pack; 3 Pack

Promotes a healthy immune system

Contains high levels of antioxidants, vitamins A, E, and C