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Probiotic Supplements for Horses
View a list of the best probiotic supplements for horses in the Mad Barn Equine Feed Database. This category includes commercial products formulated to support gut health, hindgut microbial balance, manure quality, digestive comfort, and normal fermentation in horses.
Compare ingredient lists, guaranteed analyses, CFU counts, feeding directions, and nutritional profiles for equine probiotic supplements. Review products containing common probiotic species and yeast cultures such as Saccharomyces cerevisiae, Saccharomyces boulardii, Lactobacillus acidophilus, Lactobacillus plantarum, Enterococcus faecium, Bifidobacterium longum, and Pediococcus acidilactici to choose the best option for your horse’s diet and digestive support needs.
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Probiotics
Optimum Digestive Health Pellets (Mad Barn)
Digestion
Feed Efficiency
Gut Health
ProbioticOptimum Digestive Health from Mad Barn is a probiotic and prebiotic supplement designed to support hindgut health in the horse. It helps to maintain a stable microflora and promote immune health.
Optimum Probiotic (Mad Barn)
DigestionGut Health
ImmunityProbioticMad Barn's Optimum Probiotic is a pure 5-strain probiotic supplement in a powdered format. It provides 20 billion CFU per serving of L. acidophilus, L. fermentum, L. casei, L. plantarum, and L. farciminis.
Visceral+ (Mad Barn)
DigestionGut HealthImmunityProbiotic
Ulcers
YeastVisceral+ by Mad Barn is a pelleted gut supplement designed to support stomach and hindgut health in horses. It helps maintain normal digestive function, supports gastric comfort, and helps maintain the immune system.
G.I. Bloom (Peak Performance Nutrients)
DigestionGut HealthProbiotic
Weight IssuesG.I. Bloom by Peak Performance Nutrients is a gut supplement containing probiotics meant to support healthy digestive function and optimal absorption. This supplement is intended for performance horses, broodmares, and foals.
G.I. Stable-ez (Elk Grove Milling)
DigestionGut Health
Performance
StressG.I Stable-ez by Elk Grove Milling is a digestive support supplement in mini pellet form. It is intended to support a healthy gastrointestinal system in horses undergoing stress or changes in routine.
Galozyme Equine Sport (Technavet)
Competition HorsesDigestionGut Health
VitaminsGalozyme Equine Sport from Technavet is a supplement meant for horses in competition. It is intended to help with gut health and digestion through bacteria cultures.
Gastro-Plex (Paste) (MVP)
Competition HorsesDigestionGut HealthStressGastro-Plex by MVP is a paste supplement for horses that intends to help support healthy gut function. It contains a blend of probiotics and vitamins and is intended for feeding before and during competition.
Gastro-Plex Pellets (MVP)
ColicDigestionGut HealthYeastGastro-Plex Pellets by MVP is a pelleted supplement that intends to aid digestive function. It contains antioxidants, probiotics and herbs that intend to help support stomach tissue lining and may ease discomfort.
GastroBuf (Stance EquiTec)
DigestionGut Health
Health
HindgutGastroBuf by Stance EquiTec is a supplement intended to support stomach and hindgut pH in horses experiencing gastric distress or to help maintain regular gut health.
Gastrowell (Probiotech)
Gut HealthPerformanceProbioticUlcersGastrowell by probiotech is a supplement intended to help alleviate discomfort from gastric ulcers in performance horses.
Gentle Gut (DuMor)
DigestionGut HealthHindgutProbioticDuMor Gentlegut is a pelleted supplement which encourages healthy digestive function, with probiotics and enzymes to support the digestion of forages and feed.
GI (Platinum Performance)
DigestionGut HealthImmunity
PrebioticPlatinum Performance GI is a gut health supplement for mature horses. It is formulated with flax seed, probiotics, prebiotics, glutamine and other amino acids, toxin binders, vitamins and minerals.
GI Health (Doctor’s Choice Supplements)
Gut HealthPrebioticProbioticVitaminsGI Health is a pre/probiotic supplement intended for horses subjected to stressful situations such as travelling and competition. It intends to promote gut function.
GI Thrive (Daily Dose Equine)
DigestionGut HealthPrebioticProbioticGI Thrive by Daily Dose Equine is a powdered supplement containing aloe, cabbage, and pumpkin seeds that are meant to help soothe the digestive tract lining for prompt relief. It contains prebiotics, probiotics, and montmorillonite clay.
GIT Activator (Poulin Grain)
Gut HealthHealthProbioticYeastGIT Activator by Poulin Grain is a supplement that provides the Saccharomyces cerevisiae strain of yeast. Supplementing yeast can improve digestion and support gut health in farm animals. Previously know as "Live Cell Yeast".
Gut Balancer (Equine Premium)
DigestionGut HealthHindgutYeastGut Balancer from Equine Premium is intended to support gut health in all horses and ponies at all work levels. It contains the probiotic Saccharomyces cerevisiae which is meant to promote fibre digestion.
Gut Balancer (Protexin Equine)
Gut HealthHealthPrebioticProbioticGut Balancer by Protexin Equine is a powdered pre- and probiotic daily supplement designed for all working classes of horses. It is formulated to contain 1 billions CFU of bacteria/yeast.
Gut Check (Natural Horse Vet)
DigestionGut HealthProbioticYeastGut Check by Natural Horse Vet is a powdered gut supplement that contains a blend of prebiotics and probiotics to support a healthy stomach and intestinal system.
Gut Powder (Uckele)
DigestionGut Health
Herb
NutrientsUckele Gut Powder is designed as a digestion and gastrointestinal tract supplement containing marshmallow root, slippery elm bark, and aloe vera gel. It also contains yeast and probiotic cultures.
Gut Relief & Balance (Summit Animal Health)
Gut HealthHindgutPerformanceUlcersGut Relief & Balance by Summit Animal Health is a supplement for gastric and hindgut support. It contains herbal ingredients, magnesium, probiotics, and prebiotics.
Gut Reset Paste (Bluebonnet Feeds)
Gut HealthHindgutPrebioticProbioticGut Reset Paste by Bluebonnet Feeds is a gut supplement in paste form, intended to support the intestinal microbiome and digestive function of horses during stress, travel or feed changes.
Gut Reset Powder (Bluebonnet Feeds)
DigestionGut HealthHindgutProbioticGut Reset Powder by Bluebonnet Feeds is a powdered supplement intended to support gut health in horses experiencing changes in diet, environment or training.
Gut Support (Pure Feed Company)
Gut Health
Mineral BalanceProbioticVitaminsGut Support by Pure Feed Company is a powdered supplement intended to help maintain natural gut balance during changes in diet, travel, competition or stress. It contains both prebiotics and probiotics.
GutBiome (ProElite)
DigestionPrebioticProbioticYeastGutBiome by ProElite is a microbiome supporting supplement containing both probiotics and postbiotics. It is intended to support a healthy gut.
Hay Fix (Bluebonnet Feeds)
DigestionGut HealthPrebioticProbioticHay Fix by Bluebonnet Feeds is a pelleted supplement intended to provide digestive support for horses on low-quality forage, undergoing frequent feed changes or presenting a "hay belly".
Head Start Plus Colostrum (Doctor’s Choice Supplements)
Foal
GrowthMineral BalanceVitaminsHead Start Plus Colostrum is a foal supplement intended to provide vitamins, minerals, probiotics, prebiotics, and colostrum to help support immune function, gut health, and overall wellness.
Healthy Gut Remedy (Formula 707)
DigestionGut HealthHindgutUlcersHealthy Gut Remedy by Formula 707 is a pelleted supplement intended to support stomach and hindgut health. It is meant for competition horses.
![Healthy Gut Remedy (Horse Logic Pro) – [Discontinued]](/wp-content/uploads/2023/01/Healthy-Gut-Remedy-Horse-Logic-Pro-Horse-Supplement-300x300.jpg)
Healthy Gut Remedy (Horse Logic Pro) – [Discontinued]
Gut HealthHealthImmunityYeastHealthy Gut Remedy from Horse Logic Pro is a pelleted gut supplement for horses. Healthy Gut Remedy is intended to provide hind gut support.
Hedgerow Pronto Paste (BioStar)
Gut HealthHealthHindgutImmunityHedgerow Pronto Paste from BioStar is a paste intended to provide gut support to horses. Hedgerow Pronto Paste contains reed sedge peat, fennel and peppermint intended to provide digestive support.
High Point-Alfalfa Hay (HorseTech)
Gut HealthMineral Balance
NutritionVitaminsHigh Point- Alfalfa from HorseTech is a vitamin and mineral supplement which is designed to be fed in alfalfa-based diets. The 3-ounce feeding rate provides phosphorus and essential vitamins as well as trace minerals.
Horse Shield (Purina)
DigestionImmunityVitaminsYeastPurina Horse-Shield is an equine supplement formulated to support the immune system and digestion. It contains Diamond V XPC Ultra yeast culture and Saccharomyces cerevisiae.
Imm-Pede for Foals (AniMed)
DigestionFoalProbioticYeastImm-Pede for Foals from AniMed is a supplement meant to support digestive health in foals. It contains probiotics, yeast, and is in a paste form.
Instant Biotics (NAF Equine)
Gut HealthPrebioticProbioticYeastInstant Biotics from NAF Equine is intended for all horses and ponies but specifically during foal heat, gut stress, or while traveling. This supplement contains prebiotics and live yeast.
Intensive Care GI (Mcintosh Pro Line)
DigestionGut HealthHindgutWeight IssuesIntensive Care GI is an equine gut supplement formulated to support digestion and gut comfort. Ingredients include yeast extract, oatmeal, hydrated sodium calcium aluminosilicate, and various probiotic fermentation products.
Jeremiah’s Ulcer Repulser (JUR Equine)
ColicHerbHindgutUlcersJeremiah's Ulcer Repulser is an herbal supplement for horses with gastric ulcers and colic. It contains slippery elm bark, marshmallow root, fenugreek seed, carrot powder, probiotics, and L-glutamine.
Jump-Start Plus (Manna Pro)
Gut HealthImmunityProbioticStressJump-Start Plus is a digestive paste that supplies probiotics, sodium bicarbonate, vitamins, and minerals. It is intended to be used during times of stress such as transportation, illness, or competition.
Karbo Combo + (Karbo Essentials)
HealthImmunity
Organic Trace MineralsYeastKarbo Combo+ by Karbo Essentials is a comprehensive pelleted nutritional supplement formulated to support and strengthen the immune system in horses and other animals.
Lamivite (Equestrizone)
AntioxidantGut HealthHindgutNutrientsLamivite from Equestrizone is a blend of naturally sourced antioxidants and micronutrients to support a high fibre, low concentrate diet. It supports healthy stomach and hindgut functions in horses.
Microbiome Support (Dynavyte)
DigestionGut HealthPrebioticProbioticMicrobiome Support by Dynavyte is a probiotic supplement intended to support gut health in horses.
Natural Digestive Support – BioEquine Supplement
DigestionMineral BalanceProbiotic
Toxin BinderBioEquine Natural Digestive Support is an equine gut health supplement containing probiotics, toxin binders, Diatomaceous Earth, minerals, vitamins and amino acids.
Nu-Weight (Select The Best)
Digestion
FatProbioticWeight IssuesNu-Weight by Select The Best is a pelleted supplement that is high in fat. Nu - Weight is intended for weight gain in horses who struggle with body condition.
Oligosacc (Nature Belisle)
DigestionFeed EfficiencyGut HealthPrebioticOligosacc is a digestive supplement containing prebiotic oligosaccharides. It is used for calves to decrease the incidence of diarrhea and respiratory illness.
Opti-Zyme (Manna Pro)
DigestionGut HealthProbioticYeastOpti-Zyme from Manna Pro is a blend of probiotics, yeast, and enzymes intended to provide digestive health support. These additives can improve fibre digestion and nutrient absorption from the gut.
Performance Equine Mineral and Vitamin Formulation (Wild Gold)
ElectrolyteMineral BalanceProbioticVitaminsPerformance Equine Mineral and Vitamin Formulation by Wild Gold is a premixed supplement that is intended to provide vitamins, minerals, and probiotics to support optimal nutrient absorption.
Platinum Balance (Platinum Performance)
DigestionGut HealthPrebioticProbioticPlatinum Balance by Platinum Peformance is a daily probiotic containing pre and probiotics, it is intended to support digestion and hindgut health in all horse types.
Platinum Gastric Support (Platinum Performance)
FoalGut HealthStressYeastPlatinum Gastric Support from Platinum Performance is a supplement containing yeast and is meant to support gut health. It is intended for adult horses or foals during stressful times.
Power + (Pivotal)
Amino AcidCompetition Horses
MusclePerformancePower + By Pivotal is a powdered amino acid and probiotic supplement intended to support overall health in performance horses.
Pre & Probiotics (Pegasus)
DigestionGut HealthHindgutYeastPre & Probiotics from Pegasus is intended to support overall digestive health in all horses and ponies. This supplement contains yeast and sweet whey.
PRE-biotic (Equine Challenge)
DigestionGut HealthHindgutPrebioticPRE-biotic by Equine Challenge is a prebiotic supplement intended to support hindgut health and microbial balance in horses during digestive stress or dietary changes.
Prebiotic + Probiotic Granular (Equine Choice)
DigestionGut HealthPrebioticProbioticEquine Choice Prebiotics + Probiotics is a granular (powdered) supplement providing live encapsulated saccharomyces cerevisiae yeast, Bacillus bacteria, digestive enzymes and mannan-oligosaccharide (MOS). Available in a paste or in granular form.
Prebiotic and Probiotic Paste (Equine Choice)
PrebioticProbioticStressYeastPrebiotic and Probiotic Paste from Equine Choice contains live encapsulated saccharomyces cerevisiae yeast. The concentrated paste can assist gut microflora during acute periods of digestive upsets.
Pro-Biotic EQ Pellets (MVP)
Gut HealthImmunityProbioticYeastPro-biotic EQ Pellets by MVP is a pelleted gut supplement that contains probiotics and prebiotics that intend to support the digestive and immune system. It intends to aid in the digestion of fibre, protein, starches and sugars.
Pro-Weight Pellets (MVP)
FatPerformanceProbioticWeight IssuesPro-Weight Pellets by MVP is a pelleted supplement for horses that intends to provide fat and probiotics to support healthy weight gain and body condition. It contains 60% fat from flax meal, soy meal and vegetable fat.
