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Gut Supplements for Horses
View a list of the best gut supplements for horses in Mad Barn’s equine feed database. This category includes commercial digestive support products formulated for stomach health, hindgut function, microbial balance, manure quality, feed efficiency, and overall digestive comfort.
Compare ingredient lists, guaranteed analyses, feeding directions, and nutritional profiles for equine gut supplements, including probiotics, prebiotics, yeast cultures, digestive enzymes, buffers, psyllium, amino acids, lecithin, omega-3s, and herbal blends. Use this database to evaluate products for horses on high-grain diets, in training, under stress, travelling, changing feed, or needing additional stomach and hindgut support.
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Gut Supplements
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.
Psyllium (Mad Barn)
FiberGut Health
Hindgut
StressPsyllium by Mad Barn is a powdered psyllium supplement that supports digestion and gut health in horses. It absorbs water in the digestive tract, helping support normal gut motility and manure consistency, and is beneficial for horses exposed to sandy conditions, environmental stress, or dietary changes.
Threonine (Mad Barn)
Amino AcidGut Health
Muscle
ToplineThreonine is an essential amino acid that is required to be supplied in equine diets as it cannot be synthesized endogenously. Threonine supplementation may improve nutrient absorption.
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.
Lamivite (Equestrizone)
AntioxidantGut HealthHindgut
NutrientsLamivite 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.
Land & Sea (Herbs for Horses)
Gut Health
Joints
Senior
Skin + HairLand & Sea by Herbs for Horses is a flax and fish oil supplement intended to support joint, skin and digestive health in mature horses.
Lifeline Equine (Stride Animal Health)
HealthImmunity
Performance
RecoveryLifeline Equine is a pelleted supplement intended to support overall equine health. This supplement contains porcine plasma, intended to support equine wellbeing.
LifeLine+ Equine (Bluebonnet Feeds)
Gut HealthHealthImmunity
RespiratoryLifeLine+ Equine by Bluebonnet is a pelleted nutritional supplement formulated to support respiratory, digestive, reproductive, and joint health in horses. It features bioactive proteins derived from plasma and yeast, which are included to promote overall wellness and strengthen immune function.
MagnaGard Gastric Support Supplement (Eagle Equine)
DigestionGut HealthHindgutImmunityMagnaGard Gastric Support from Eagle Equine is a powdered equine supplement intended to prevent ulcers. MagnaGard Gastric Support is also a source of magnesium and trace minerals for horses.
Microbiome Support (Dynavyte)
DigestionGut Health
PrebioticProbioticMicrobiome Support by Dynavyte is a probiotic supplement intended to support gut health in horses.
MicroBiome Support (Equi-Force)
ColicDigestionGut HealthProbioticMicroBiome Support is a supplement intended to promote gut health. It is ideal for performance horses or horses in heavy work. It is recommended for horses that have gone off feed and that are on antibiotics.
Milk Of Magnesia (Golden Horseshoe)
ColicGut HealthHealthHindgutMilk Of Magnesia by Golden Horseshoe is a liquid gastrointestinal health supplement. It is formulated with magnesium hydroxide.
Mineral Oil Light (AniMed)
ColicDigestionHindgut
IngredientMineral Oil Light from AniMed is an oil that can be given to horses to assist in intestinal movement via lubrication. It is not absorbed and therefore does not provide nutritional components. This oil also claims to be non-fattening and does not increase body temperature.
Mint (Dodson & Horrell)
Digestion
Flavor
HerbIngredientMint from Dodson & Horrell is a single ingredient supplement that supports a healthy digestive system in horses and ponies. This supplement also helps to enhance palatability for picky eaters.
Natural Digestive Support – BioEquine Supplement
Digestion
Mineral BalanceProbiotic
Toxin BinderBioEquine Natural Digestive Support is an equine gut health supplement containing probiotics, toxin binders, Diatomaceous Earth, minerals, vitamins and amino acids.
Neigh – Lox (Kentucky Performance Products)
DigestionHealthImmunityStressNeigh - Lox from Kentucky Performance Products is a pelleted supplement intended to maintain normal stomach function in horses. This supplement contains buffering ingredients which are intended to help maintain healthy gastrointestinal function.
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.
Optimum GI (BioStar)
DigestionGut HealthHealthImmunityOptimum GI from BioStar is a powdered gut health supplement. Optimum GI contains vitamins, antioxidants, minerals and fatty acids intended to support digestion and overall horse health.
Organic Chia Seeds (Getty Equine Nutrition)
FatGut Health
Metabolism
Omega 3-6-9Organic Chia Seeds by Getty Equine Nutrition is a textured supplement that provides help with inflammatory conditions such as ulcers, injuries, and stress responses. It also offers protein to support tissue maintenance and repair.
Outlast Gastric Support Supplement (Purina)
ColicDigestionGut HealthUlcersPurina® Outlast® Gastric Support Supplement is an equine gut product designed to support gastric health and pH balance. The primary active ingredients include alfalfa and seaweed-derived calcium.
Para-X (Omega Alpha)
DigestionGut HealthHerb
NutritionPara-X by Omega Alpha is a liquid herbal supplement intended to support equine digestive health.
Pectigus ADVANCED (Hestevard)
Competition HorsesDigestionGut HealthRecoveryPectigus ADVANCED by Hestevard is a pelleted supplement intended to support gut function and health in horses requiring regular maintenance, and horses during intense training, competition, or recovery.
Pectilin (Hestevard)
Digestion
FoalGut HealthPrebioticPectilin by Hestevard is a liquid gut supplement intended to support healthy gut motility in horses, weanlings and foals.
Performance Complete+ (Advanced Equine Nutrition)
HealthPerformanceRecovery
StaminaPerformance Complete+ by Advanced Equine Nutrition is a supplement intended to support muscle strength, gastric, joint and respiratory function in performance horses.
Pink Mash Condition (Keyflow Feeds)
Hindgut
Low NSC FeedsPrebioticProbioticPink Mash Condition by Keyflow Feeds is a mash intended to support hindgut health and body condition. It contains prebiotics, probiotics, and low starch and sugar.
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.
Platinum Performance® Equine Wellness and Performance Formula
EnergyFatJointsOmega 3-6-9Platinum Performance® Equine Wellness and Performance Formula is a nutritional supplement containing ground flaxseed, stabilized rice bran, montmorillonite (bentonite) clay and a range of vitamins and minerals.
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 Buff (DAC)
DigestionGut HealthHealthNutrientsPre Buff by DAC is a liquid gut-health supplement formulated for horses of all working classes. It contains key minerals and amino acids to help maintain a proper gut pH.
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.
Prebiotic Ulsa-X Mash (Thunderbrook)
DigestionGut HealthHealthNutritionPrebiotic Ulsa-X Mash from Thunderbrook is a digestive supplement intended to support horses' gut microbiome. This supplement contains Jerusalem Artichoke which is intended to support gut health and function.
Pro Digest Balancer (Horslyx)
Gut HealthHindgutMineral BalanceYeastPro Digest Balancer from Horslyx is designed to support gut health in horses and ponies. This balancer contains seaweed and bark as a source of mucilage. Licking the product supports saliva production, which can help buffer stomach acidity.
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.
Probio Blend (Mare Magic)
DigestionGut HealthImmunityProbioticProbio Blend by Mare Magic is a probiotic and digestive enzyme supplement in a ground flaxseed base. One gram of Probio Blend contains 13 billion CFU of yeast and 5 billion CFU of probiotics.
Probios Powder (Vets Plus, Inc.)
DigestionGut HealthImmunityProbioticProbios Powder is a probiotic supplement with a guaranteed minimum concentration of 10 million Colony Forming Units (CFU) per gram. It includes the probiotic strains Lactobacillus plantarum, Enterococcus faecium, Lactobacillus casei, and Lactobacillus acidophilus.
Probiotic (Equine Challenge)
DigestionGut HealthImmunityProbioticProbiotic by Equine Challenge is a probiotic supplement intended to support digestive health, microbial balance, and immune function in horses experiencing digestive stressors or dietary changes.
Probiotic Blast (Equine Challenge)
DigestionGut HealthPrebioticProbioticProbiotic Blast by Equine Challenge is a probiotic supplement intended to support digestive health and microbial balance in horses experiencing digestive stressors.
Probiotic Paste (DAC)
DigestionGut HealthHealthProbioticProbiotic Paste by DAC is a gut-health supplement that provides a source of beneficial intestinal bacteria. Each tube delivers 1 billion CFU per gram of lactic acid–producing bacteria.
Profix (Hestevard)
DigestionGut HealthPrebioticProbioticProfix by Hestevard is a powdered supplement intended to provide digestive support to all horses and ponies.
Profix +BIND (Hestevard)
AntioxidantDigestionGut HealthProbioticProfix +BIND by Hestevard is a powdered supplement intended to support a healthy digestive system in all horses and ponies.
Profix Paste Oral Syringe (Hestevard)
DigestionGut HealthImmunityProbioticProfix Paste Oral Syringe by Hestevard is a supplement intended to support gut health and function in all horse and pony types.
Protek GI (Kelato)
DigestionGut HealthHealthHindgutProtek GI by Kelato is a supplement intended to support overall digestive health in horses.
Psyllium Pellets (Formula 707)
ColicDigestionHealthHindgutPsyllium Pellets from Formula 707 is a pelleted supplement containing psyllium seed husks. It is intended to support the digestive system by assisting with removing sand and dirt.
Pur-A-Plus (Purina)
Feed EfficiencyHindgut
VitaminsYeastPur-A-Plus is a vitamin-enriched yeast culture supplement made with Saccharomyces cerevisiae. Yeast supports the hindgut microbial environment and digestion in horses. Each 28-gram serving provides 9 billion CFUs.
Pure Brewers Yeast (AniMed)
Digestion
Hoof HealthIngredientVitaminsThis supplement from AniMed contains pure brewers yeast. This product is meant to provide horses with vitamin Bs, amino acids, protein, and minerals. It's goal is to support hoof health, and digestive tract health.
PurePsyll Powder (AniMed)
Gut HealthHealthHindgutIngredientThis supplement from AniMed contains 100% psyllium husks in a powdered form. Psyllium husks are meant to be used as a natural fiber laxative that can help movement throughout the horses' digestive tract.
QuadraCare (The Mill)
DigestionHealthHoof HealthJointsQuadraCare from The Mill is a pelleted hoof, digestion, and joint supplement. QuadraCare is intended to support joint health, digestive function, and hoof quality in horses.
Quick Fix (Equine Premium)
Gut HealthHindgutStressYeastQuick Fix from Equine Premium is meant to support the gut microbiota during times of high stress for all horses and ponies. It contains yeast and has peppermint flavouring which is intended to increase palatability.
RaceOn Gastro Form (NAF Equine)
Competition HorsesFiberGut HealthProbioticRaceOn Gastro Form by NAF Equine is a powdered gut supplement that is intended to support stomach acid, protect the stomach wall, and provide pre- and probiotics for gut function.
RegenerEQ (Omega Alpha)
Competition HorsesFatGut HealthStressRegenerEQ by Omega Alpha is a supplement for horses intended to support gastrointestinal function and stimulate appetite.
RegenerEQ Plus (Omega Alpha)
Gut HealthHerbNutrition
Weight IssuesRegenerEQ Plus by Omega Alpha is a supplement for horses intended to support appetite. It contains licorice root, Japanese thistle, and other herbal ingredients.
