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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 285 entries
Optimum Digestive Health Pellets (Mad Barn)
DigestionDigestion
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
ProbioticProbiotic
Optimum 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)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
Mad 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)
FiberFiber
Gut HealthGut Health
HindgutHindgut
StressStress
Psyllium 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 AcidAmino Acid
Gut HealthGut Health
MuscleMuscle
ToplineTopline
Threonine 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)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
UlcersUlcers
YeastYeast
Visceral+ 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.
4-In-1 (Meal) (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 by MVP is a premixed supplement for horses to that intends to support joint function, hoof growth, hair coat and digestive function. It contains glucosamine, chondroitin sulphate, biotin, omega 3 & 6, and probiotics.
4-In-1 H/A Joint Supplement (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 H/A Joint Supplement by MVP is a pelleted supplement that combines vitamins, minerals, and probiotics. It intends to support joint function, hoof growth, hair coat, and digestive system.
Acid Ease (Equine Premium)
Gut HealthGut Health
HindgutHindgut
MetabolismMetabolism
NutrientsNutrients
Acid Ease from Equine Premium is meant to support the gut lining, digestive health, and digestive efficiency. It contains calcium carbonate which is meant to act as an acid buffer in the stomach.
Acid Ease (Protexin Equine)
Gut HealthGut Health
HealthHealth
HindgutHindgut
ProbioticProbiotic
Acid Ease by Protexin Equine is a powdered gut supplement designed for all working classes of horses. It is formulated with calcium carbonate, pre-, pro-, and post-biotics, and L-threonine.
AFX (Equine Choice)
Gut HealthGut Health
HealthHealth
HindgutHindgut
UlcersUlcers
AFX by Equine Choice is a liquid gastric support supplement formulated to help maintain normal stomach pH. It contains calcium carbonate, L-glutamine, and magnesium oxide.
Align (OE Nutraceuticals)
Gut HealthGut Health
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Align is a vitamin and mineral supplement intended for performance horses. It contains prebiotics and probiotics which are meant to support gut health.
ALL-PRO (AniMed)
DigestionDigestion
HealthHealth
StressStress
YeastYeast
AniMed's ALL-PRO powder supplement aims to promote normal and healthy digestive functions and contains pre- and probiotics. It is meant to be beneficial during times of stress or changes in diet.
Allay Digestion Buffer & Calmer (Adeptus)
CalmingCalming
Gut HealthGut Health
HealthHealth
HindgutHindgut
Allay Digestion Buffer & Calmer is intended to aid in neutralizing pH in the horse's' digestive tract. This supplement contains licorice extract which is intended to soothe the digestive tract.
AllStar (Forefront Equine)
DigestionDigestion
HealthHealth
HerbHerb
JointsJoints
AllStar is a supplement intended to support normal health of horses and ponies of all ages and work levels. AllStar contains MSM, colostrum, prebiotics, and probiotics.
Aloe vera juice (Fruit of the Earth)
AntioxidantAntioxidant
Gut HealthGut Health
HerbHerb
NutrientsNutrients
Aloe vera juice by Fruit of the Earth is a product intended for human consumption. It can be provided to horses to support gastric health.
Aloe Vera Pellets (Pharm-Aloe)
DigestionDigestion
Gut HealthGut Health
HealthHealth
ImmunityImmunity
Aloe Vera Pellets by Pharm-Aloe are a pelleted supplement containing a proprietary blend of Alfalfa and Aloe Vera. It is intended to support the immune system, gastrointestinal health, detoxification and inflammatory response in horses.
Amalaki 4:1 Powder (Nouvelle Research)
AntioxidantAntioxidant
Gut HealthGut Health
HerbHerb
VitaminsVitamins
Amalaki 4:1 Powder from Nouvelle Research is a powdered equine supplement made from Indian Gooseberry. Amalaki 4:1 Powder is intended to aid in digestion and microbiome function.
AniGest Digestive Enzyme and Probiotic Supplement (Animed)
DigestionDigestion
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
ProbioticProbiotic
AniMed AniGest Digestive Enzyme & Probiotic is a gut health supplement for horses containing S. Cerevisiae and Lactobacillus acidophilus probiotics. It also contains flaxseed meal, rice bran, and digestive enzymes.
AniPsyll (AniMed)
DigestionDigestion
FiberFiber
HealthHealth
IngredientIngredient
AniPsyll contains psyllium husks and fiber. This supplement is meant to increase the bulk of rations and assist in digestive tract health.
AssureGuard Gold (Arenus Animal Health)
DigestionDigestion
Gut HealthGut Health
PerformancePerformance
ProbioticProbiotic
AssureGuard Gold from Arenus Animal Health is a digestive supplement that is meant to help with gut health, body condition, and performance. It contains protein, fat, fiber, and probiotics.
Athletic Formula (Full Bucket Equine)
HealthHealth
HindgutHindgut
ImmunityImmunity
YeastYeast
Athletic Formula from Full Bucket Equine is a pelleted supplement containing probiotics, prebiotics, vitamins, minerals and digestive enzymes. This supplement is intended to provide nutritional support to the horses' gastrointestinal mucosa.
BeCalm (Enviro Equine)
CalmingCalming
DigestionDigestion
Gut HealthGut Health
PerformancePerformance
BeCalm by Enviro Equine is a supplement intended to promote calmness and focus by supporting the gut. It is designed to support horses during travel, training, and competition.
Bind & Protect (Hygain)
DigestionDigestion
HealthHealth
NutritionNutrition
Toxin BinderToxin Binder
Bind & Protect from Hygain is a pelleted supplement that is intended to assist with digestive health in horses. It contains yeast and is a toxin binder.
Bio Yeast EQ (BioStar)
DigestionDigestion
Gut HealthGut Health
ProbioticProbiotic
YeastYeast
BioStar's Bio Yeast EQ is a yeast supplement intended to aid digestion. This supplement is specifically formulated with Saccharomyces cerevisae and Saccharomyces Boulardii.
Bio-Sponge (Platinum Performance)
DigestionDigestion
FoalFoal
Gut HealthGut Health
HealthHealth
Bio-Sponge from Platinum Performance is a health supplement intended to support gastrointestinal health. It can be fed to foals or adult horses and contains smectite clay.
Biotic 8 Plus (Omega Alpha)
Gut HealthGut Health
HealthHealth
HindgutHindgut
ProbioticProbiotic
Biotic 8 Plus from Omega Alpha is a multi-strained powder probiotic supplement. This supplement contains 16.5 billion CFUs per scoop and is intended to support the gastrointestinal tract.
Biotics (NAF Equine)
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
YeastYeast
Biotics from NAF Equine is intended for horses in heavy work or performance horses. This supplement contains live yeast that is meant to support gut health.
Brandon c-Mash (St.Hippolyt)
DigestionDigestion
FiberFiber
Gut HealthGut Health
SeniorSenior
Brandon c-Mash by St.Hippolyt is a digestive supplement containing psyllium husks, it is intended for all horse types.
BrandonPlus Medigest (St.Hippolyt)
DigestionDigestion
Gut HealthGut Health
HerbHerb
ImmunityImmunity
BrandonPlus Medigest by St.Hippolyt is a supplement intended to support horses experiencing diarrhea.
C-200 Horse Supplement (Royal Horse)
Feed EfficiencyFeed Efficiency
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
C-200 Horse Supplement from Royal Horse is a pelleted supplement intended for horses fed cereals and forages. C-200 Horse Supplement is intended to improve digestive function in horses.
Calming Pro Complete (Formula 707)
CalmingCalming
DigestionDigestion
Gut HealthGut Health
StressStress
Calming Pro Complete from Formula 707 is a pelleted calming supplement. It is meant to support digestion, stomach health, and nervous system health.
Camelina Plus (Smart Earth)
Gut HealthGut Health
HealthHealth
UlcersUlcers
Weight IssuesWeight Issues
Camelina Plus by Smart Earth is a gut supplement intended to support gastric health with herbal ingredients.
Colonaid (Hestevard)
DigestionDigestion
FiberFiber
FlavorFlavor
Gut HealthGut Health
Colonaid by Hestevard is a pelleted supplement containing pysllium husk and bentonite. It is intended support digestive health in horses grazing on sandy pastures.
Combined 4-Way (Equerry’s)
Gut HealthGut Health
JointsJoints
Ration BalancerRation Balancer
SeniorSenior
Combined 4-Way by Equerry's is a powdered vitamin and mineral supplement that contains ingredients intended to support gut and joint health in horses.
Complete Wellness + Joint 6-in-1 (Formula 707)
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
NutrientsNutrients
Complete Wellness + Joint 6-in-1 from Formula 707 is a supplement that is meant to assist with digestion, hoof health, joint health and coat health. It contains minerals and vitamins.
Constant Comfort Plus (Tribute)
Competition HorsesCompetition Horses
DigestionDigestion
HindgutHindgut
YeastYeast
Constant Comfort Plus from Tribute is a pelleted gut supplement for horses. Constant Comfort Plus is formulated with seaweed-derived calcium, aloe vera, glutamine and lecithin. This gut supplement is intended to help support the horse's digestive tract.
Controlled Power (Equine Challenge)
Competition HorsesCompetition Horses
HealthHealth
JointsJoints
PerformancePerformance
Controlled Power by Equine Challenge is a powdered joint supplement intended to provide joint, muscle and digestion support, and controlled energy to performance horses on competition days. This product is not intended to be used as a daily joint support supplement.
Cool Gut (DAC)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
StressStress
Cool Gut by dac is a gastric health supplement intended to support horses in exercise and training.
Daily Combo (Empire Research)
Competition HorsesCompetition Horses
DigestionDigestion
IngredientIngredient
YeastYeast
Daily Combo from Empire Research is an equine digestion supplement. Daily Combo is formulated with vitamins, minerals, prebiotics, probiotics and yeast. This supplement is intended to support horses' gut function.
Daily Gold Stress Relief (Redmond Equine)
DigestionDigestion
Gut HealthGut Health
StressStress
UlcersUlcers
Daily Gold Stress Relief is composed of hydrated sodium calcium aluminosilicate, otherwise known as bentonite clay. This supplement is used in horses with ulcers, but may interfere with the absorption of nutrients.
Daily Gut Health (NAF Equine)
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
YeastYeast
Daily Gut Health from NAF Equine is intended for all horses and ponies at any level of work. This supplement is meant to support daily gut health through the addition of pre- and probiotic yeast.
Daily Start Probiotic (Doctor’s Choice Supplements)
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Daily Start Probiotic by Doctor's Choice Supplements is a pre/probiotic supplement intended to support gut health. It is designed for broodmares and horses that have difficulty keeping weight.
Diaque (Boehringer Ingelheim)
ElectrolyteElectrolyte
GrowthGrowth
Mineral BalanceMineral Balance
NutritionNutrition
Diaque® is a nutritional supplement meant to provide energy and electrolytes for young animals, particularly calves. It contains lecithin-coated citrus fibers which are intended to support gut health and reduce stress.
Digest 911 (LMF Horse Feeds)
DigestionDigestion
HindgutHindgut
ProbioticProbiotic
YeastYeast
Digest 911 by LMF Horse Feeds is nutritional top dress designed to support digestive health in horses. It is contains yeast and added B-vitamins.
Digest Support (Hilton Herbs)
DigestionDigestion
Gut HealthGut Health
HealthHealth
HerbHerb
Digest Support from Hilton Herbs is a herbal supplement intended to support digestive function in horses. This supplement is intended to support the absorption of nutrients and pH balance.
Digest Ultra (Greenline)
Competition HorsesCompetition Horses
DigestionDigestion
Gut HealthGut Health
HealthHealth
Digest Ultra from Greenline is intended to help performance horses maintain normal digestive function. Digest Ultra is a powdered gut health supplement.
Digestawell Buffer (Probiotech)
Gut HealthGut Health
HindgutHindgut
VitaminsVitamins
Weight IssuesWeight Issues
Digestawell Buffer from Probiotech is a supplement for horses. It is intended to support horses with metabolic diseases, or horses and ponies sensitive to sugar and starch.
Digestive Aid (TopSpec)
Gut HealthGut Health
HindgutHindgut
StressStress
YeastYeast
Digestive Aid from TopSpec supports overall digestive health in horses and supports an increased appetite. This supplement is ideal for performance horses and senior horses.
Digestive Balance (Purina)
DigestionDigestion
HealthHealth
HindgutHindgut
ImmunityImmunity
Digestive Balance from Purina is a pelleted gut health supplement. Digestive Balance is intended to support the gut microbiome & normal gastric pH levels.
Digestive Feed Additive (DAC)
Gut HealthGut Health
HealthHealth
ProbioticProbiotic
YeastYeast
Digestive Feed Additive by DAC is a powdered equine gut-health supplement designed to support overall digestive function. It includes added probiotics and yeast to promote gastrointestinal health.
Digestive Fortifier (FORCO)
DigestionDigestion
Gut HealthGut Health
StressStress
YeastYeast
FORCO's Digestive Fortifier aims to achieve a balanced micro flora in the horse's digestive tract. This supplement is meant to assist in gut health and digestion, and can be beneficial during times of stress.
Digestive Health Pellets (Formula 707)
DigestionDigestion
HindgutHindgut
PrebioticPrebiotic
ProbioticProbiotic
Digestive Health Pellets from Formula 707 is a supplement intended to support digestion. It contains prebiotics and probiotics to assist with bacteria levels.
Digestive Support (Dodson & Horrell)
DigestionDigestion
Gut HealthGut Health
HindgutHindgut
NutrientsNutrients
Digestive Support from Dodson & Horrell supports the horse's digestive system by promoting an average population of bacteria in the hindgut. This supplement contains herbs such as mint and fenugreek.
DigestiveHP (Poseidon Animal Health)
DigestionDigestion
Gut HealthGut Health
HindgutHindgut
ImmunityImmunity
DigestiveHP by Poseidon Animal Health is a gut health supplement intended to support digestion, nutrient absorption and overall immune health in horses requiring additional gut support.
DJ (Platinum Performance)
JointsJoints
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
Platinum Performance® DJ by Platinum Performance is a powdered vitamin and mineral supplement intended to support joint and digestive health. It contains ingredients such as flaxseed, rice bran, clay, yeast, and a blend of vitamins and minerals.
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