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Ingredient

Microbial-based Additives

Microbial-based additives include live microorganisms such as yeasts (Saccharomyces cerevisiae) and bacteria (Lactobacillus, Bifidobacterium, Enterococcus), as well as their derivatives like bacterial or yeast extracts and fermentation products. These additives are used in equine feeds to support gut microbial balance, improve fiber digestion, and enhance nutrient utilization.
Extracts and postbiotics may include cell wall components (e.g., beta-glucans, mannan-oligosaccharides) or fermentation metabolites that influence gut function and immunity. Enzymes produced through microbial fermentation, such as cellulase or xylanase, may also be included to assist in the breakdown of fibrous feed components.

The following equine feeds, supplements and products contain Microbial-based Additives as an ingredient.

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Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
AminoTrace+ by Mad Barn is a complete, balanced equine mineral and vitamin supplement designed for horses with metabolic concerns. It is ideal for horses with IR, PPID, or high iron in the diet.
Natural E/Organic Se (Mad Barn)
AntioxidantAntioxidant
Organic Trace MineralsOrganic Trace Minerals
RecoveryRecovery
VitaminsVitamins
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
Omneity P – Pellets – Vitamin & Mineral Supplement (Mad Barn)
Gut HealthGut Health
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
Omneity Pellets is a balanced mineral and vitamin supplement for horses in a palatable pellet form. It provides 100% organic trace minerals, complete B-vitamin fortification, added Vitamin E, yeast and digestive enzymes.
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.
Trace Mineral Pak (Mad Barn)
Coat QualityCoat Quality
ExerciseExercise
Hoof HealthHoof Health
Organic Trace MineralsOrganic Trace Minerals
Trace Mineral Pak from Mad Barn is a balanced equine supplement providing 100% organic (chelated) trace minerals. Ingredients include selenium, zinc, copper, and manganese.
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.
Meganutril Ultra (Equina USA)
AntioxidantAntioxidant
HealthHealth
ImmunityImmunity
VitaminsVitamins
Meganutril Ultra from Equina USA is a mineral supplement for horses. Meganutril Ultra contains vitamins, amino acids, and yeast. This supplement is intended to balance nutritional deficiencies in horses.
Mellow Muscle (Sierra Gold)
CalmingCalming
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Mellow Muscle by Sierra Gold is a powdered supplement for horses intended to aid horses suffering from PSSM. It contains vitamins, minerals, and amino acids which intend to support muscle growth.
Meta Safe (Hygain)
ImmunityImmunity
MetabolismMetabolism
Ration BalancerRation Balancer
Weight IssuesWeight Issues
Meta Safe from Hygain is a ration balancer pellet for horses. Meta Safe is intended for horses on a restricted diet or suffering from metabolic issues. This feed contains 6.5% NSC.
Meta-Librium (Equi-Force)
CalmingCalming
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Meta-Librium is a supplement intended to help manage metabolic syndrome and insulin resistance in horses and ponies. It contains magnesium, lipoic acid, vitamin E and C, and L-Carnitine, enhancing insulin action.
Meta-Support (Basic Equine Nutrition)
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
MuscleMuscle
Weight IssuesWeight Issues
MetaSupport is formulated with several key nutrients to support metabolic health. It contains chromium yeast and magnesium oxide, which are thought to promote insulin secretion and sensitivity.
Metaboleeze (Kentucky Performance Products)
MetabolismMetabolism
MuscleMuscle
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Metaboleeze by Kentucky Performance Products is a premix supplement intended to support normal insulin regulation and healthy muscle metabolism. It contains a source of chromium combined with B-complex vitamins and minerals.
Metabolic Miracle (Aterak Nutrition)
Grain FreeGrain Free
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Metabolic Miracle by Aterak Nutrition is a feed targeted toward horses or ponies with metabolic disorders (Cushing's, Founder, Laminitis). This feed contains the vitamins and minerals necessary to support a well-balanced diet and is high in fibre.
Metaslim (Simple System Horse Feeds)
IngredientIngredient
Metabolic SyndromeMetabolic Syndrome
NutrientsNutrients
Weight IssuesWeight Issues
Metaslim is a pelleted equine feed designed for horses who have metabolic issues. It is a highly palatable feed suitable for overweight horses.
Micro-Max (Kentucky Equine Research)
Gut HealthGut Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
KER Micro-Max is a vitamin/mineral supplement intended for horses on high-forage diets. It contains macro- and micro-minerals, and vitamins A, D and E.
Micro-Phase (Kentucky Performance Products)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Kentucky Performance Products Micro-Phase is a vitamin and trace mineral supplement designed for horses on forage-only diets or those fed concentrate feeds below the recommended feeding rate. It is an alfalfa-based pelleted supplement containing a mix of organic and inorganic minerals.
Microbiome Support (Dynavyte)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Microbiome Support by Dynavyte is a probiotic supplement intended to support gut health in horses.
Microfeed (Dodson & Horrell)
Amino AcidAmino Acid
ExerciseExercise
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
Microfeed is a feed designed for racehorses in full training. This feed is high in NSC to give the horses an energy boost. It is also high in protein for proper muscle building and includes some yeast for good digestive function.
MicroVital (St.Hippolyt)
HealthHealth
Organic Trace MineralsOrganic Trace Minerals
StressStress
VitaminsVitamins
MicroVital by St.Hippolyt is a pelleted supplement intended to support horses deficient in trace minerals and vitamins.
Milestone Compete Horse Food (Muenster)
Coat QualityCoat Quality
Competition HorsesCompetition Horses
FatFat
MuscleMuscle
Complete Horse Food is intended to promote muscle growth and function. It is ideal for performance horses and breeding stock as extra calories and energy are needed.
Milestone Foal Horse Food (Muenster)
FiberFiber
FoalFoal
GrowthGrowth
ProteinProtein
Foal Horse Food is intended for horses and ponies under the age of 1. The diet includes nutrients needed for normal growth and development.
Milestone Life Horse Food (Muenster)
Caloric EnergyCaloric Energy
FiberFiber
GrainsGrains
Hay StretcherHay Stretcher
Life Horse Food is designed to be a hay replacer and provide nutrients to horses and ponies of all ages. It is ideal for horses that are in moderate work.
Milestone Life Plus Horse Food (Muenster)
FatFat
FiberFiber
GrainsGrains
Omega 3-6-9Omega 3-6-9
Life Plus is a pelleted feed intended to provide additional energy and nutrients to all horses and ponies. It is also suitable for performance horse and breeding horses as they need extra essential nutrients.
Milestone Optimize Horse Supplement (Muenster)
FatFat
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
Optimize Horse Supplement is a high-fat feed intended to provide more energy to breeding horses and performance horses. It contains nutrient dense ingredients such as coconut meal and flaxseed.
Milestone Senior Horse Food (Muenster)
FatFat
FiberFiber
MareMare
SeniorSenior
Milestone Senior Horse Food is a pelleted feed intended for older horses in light to moderate work. It is suitable as a supplemental feed when forage availability is limited. It contains high fiber, low starch, alfalfa, coconut, flax, and algae meal.
Milk & Grow Pellets (Uckele)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Milk & Grow Pellets is a vitamin, mineral, probiotic, and amino acid pelleted supplement formulated for lactating and gestating mares as well as growing foals that have increased nutrient demands.
Min-A-Vite (Blue Seal) [DISCONTINUED]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Min-A-Vite from Blue Seal is a vitamin and mineral supplement intended for horses and ponies of all ages and work levels. Min-A-Vite uses a mix of inorganic and organic trace minerals.
Mind, Body & Sole – Alfalfa (Equine Challenge)
DigestionDigestion
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Skin + HairSkin + Hair
Mind, Body & Sole - Alfalfa by Equine Challenge is a ration balancer intended to support overall health in horses on alfalfa diets.
Mind, Body & Sole – GRASS (Equine Challenge)
DigestionDigestion
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Skin + HairSkin + Hair
Mind, Body & Sole - GRASS by Equine Challenge is a ration balancer intended to support overall health in horses on grass diets.
Mineral & Vitamin Formulation (Wild Gold)
Organic Trace MineralsOrganic Trace Minerals
ProbioticProbiotic
Ration BalancerRation Balancer
Toxin BinderToxin Binder
Wild Gold Mineral and Vitamin Formulation is an equine supplement containing probiotics, prebiotics, zeolite clay, salt, trace minerals, and vitamins, including biotin
Molasses Flavor Horse Treats (Agrimaster)
EnergyEnergy
FlavorFlavor
NutrientsNutrients
VitaminsVitamins
Molasses Flavor Horse Treats by Agrimaster is a horse treat formulated with added minerals and vitamins A and E, and is intended for all classes of horses.
Mollichaff Condition Complete (HorseHage)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
Weight IssuesWeight Issues
YeastYeast
Mollichaff Condition Complete from HorseHage contains a blend of alfalfa, oat straw, fiber pellets, barley, soya flakes, soya oil, and mint. This feed is ideal for performance horses and overweight or underweight horses.
MoorGLO (ADM Animal Nutrition)
FatFat
FiberFiber
Gut HealthGut Health
Weight IssuesWeight Issues
ADM MoorGLO is a high-fat feed formulated for exercising horses and those that need to gain body condition. It is designed to be a palatable energy source with rice bran, flaxseed and vegetable oil.
Moulee 17.5% Jeunot (Campagnard)
EnergyEnergy
GrowthGrowth
ProteinProtein
ToplineTopline
Moulee 17.5% Jeunot by Campagnard is a pelleted feed intended for foals from birth to 2 years of age. It contains added B-vitamins and supplies high protein content (17.5%) to support growth.
Moulee 17.5% Jeunot (Mondou)- [Discontinued]
EnergyEnergy
GrowthGrowth
ProteinProtein
ToplineTopline
Moulee 17.5% Jeunot is a pelleted feed intended for foals from birth to 2 years of age. It contains added B-vitamins and supplies high protein content (17.5%) to support growth.
Moulee Fibre et Gras (Campagnard)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Moulee Fibre et Gras by Campagnard is a fat and fiber-based pelleted feed, which provides digestible fiber from soy hulls. It contains high fiber (20%) and moderate levels of fat (10%). It is designed for excitable and underweight horses.
Moulee HM 13% Liberte (Nature Belisle)
Complete FeedComplete Feed
GrainsGrains
NutritionNutrition
PerformancePerformance
Moulee HM 13% Liberte is a textured feed intended for performance horses and those in heavy work. It contains 13% protein, 6.09% fat, and 7.86% fibre.
Moulee Jument 16% Liberte (Nature Belisle)
BroodmareBroodmare
Complete FeedComplete Feed
NutritionNutrition
ProteinProtein
Moulee Jument 16% Liberte is a cubed feed intended for broodmares. It contains 16% protein, 4.85% fat, and 8.35% fibre.
Moulee Liberte (Campagnard)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
NutritionNutrition
PerformancePerformance
Moulee Liberte by Campagnard is a pelleted feed formulated for performance horses and hard keepers. It contains alfalfa meal, soy hulls, and vegetable proteins to supply 15% protein, 13.5% fibre, and 6.5% fat.
Moulee Liberte (Mondou) – [Discontinued]
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Moulee Liberte is a pelleted feed formulated for performance horses and hard keepers. It contains alfalfa meal, soy hulls, and vegetable proteins to supply 13% protein, 15% fibre, and 8% fat.
Moulee Mustang (Mondou) – [Discontinued]
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
NutritionNutrition
Moulee Mustang is targeted towards performance horses with high-energy ingredients such as corn, wheat, oats, and soy hulls. It contains 16% protein, 8.5% fibre, and 4.5% fat.
Moulee Poulain Liberte 17% (Nature Belisle)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
NutritionNutrition
Moulee Poulain Liberte 17% by Nature Belisle is intended for horses and ponies aged 0-2 years of age. This cubed feed contains 17% protein as its primary energy source.
Moulee Prodige (Campagnard)
Competition HorsesCompetition Horses
ExerciseExercise
NutrientsNutrients
Omega 3-6-9Omega 3-6-9
Moulee Prodige by Campagnard is a complete feed with ground flax, corn, oats, and soybeans. It is intended or horses in moderate to heavy work.
Moulee Prodige (Mondou) – [Discontinued]
Competition HorsesCompetition Horses
ExerciseExercise
NutrientsNutrients
Omega 3-6-9Omega 3-6-9
Moulee Prodige is a complete feed with ground flax, corn, oats, and soybeans. It is intended or horses in moderate to heavy work.
Moulee Q-F 15% Liberte (Belisle)
EnergyEnergy
FatFat
FiberFiber
NutritionNutrition
Moulee Q-F 15% is a complete feed with 15% crude protein and 7% crude fat. It also contains vitamin E and selenium. This feed is intended for all horses and ponies.
Moulée Quali-Fibre (Nature Belisle)
FiberFiber
Omega 3-6-9Omega 3-6-9
ProbioticProbiotic
VitaminsVitamins
Moulee Quali-fibre is a feed intended for horses with higher energy demands, such as performance horses. It contains 15% protein, 7% fat and 23% fibre with added vitamin E and selenium.
Moulee Senorita (Campagnard)
Complete FeedComplete Feed
DentalDental
ExerciseExercise
SeniorSenior
Moulee Senorita by Campagnard is a senior pelleted complete feed with higher protein (15.5%) and lower fat (3.5%) content. It is intended for senior horses and equids with poor teeth.
Moulee Senorita (Meunerie Mondou) – [Discontinued]
Complete FeedComplete Feed
DentalDental
ExerciseExercise
SeniorSenior
Moulee Senorita is a senior pelleted complete feed with higher protein (14.5%) and lower fat (3.5%) content. It is intended for older, sick, stressed horses and horses with poor teeth.
Moulee Vaillante (Campagnard)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
NutritionNutrition
PerformancePerformance
Moulee Vaillante by Campagnard is a molasses-free feed targeted to performance horses. It contains 14% proteins, 6.5 % fat, and 6.5% fibre from ingredients such as flaked corn, oats, and vegetable proteins.
Moulee Vaillante (Mondou)- [Discontinued]
Complete FeedComplete Feed
Competition HorsesCompetition Horses
NutritionNutrition
PerformancePerformance
Moulee Vaillante is a molasses-free feed targeted to performance horses. It contains 14% proteins, 6% fat, and 6.5% fibre from ingredients such as flaked corn, oats, and vegetable proteins.
MoviCur (St.Hippolyt)
HealthHealth
JointsJoints
PerformancePerformance
RecoveryRecovery
MoviCur by St.Hippolyt is a supplement intended to support the overall health of tendons, ligaments and joints in horses.
MuesliMax (Hallway)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
FatFat
MuesliMax from Hallway is a sweet feed fortified with Stamm 30 formulated for high-performance horses with high energy needs. This feed provides energy from oats, barley, vegetable oil, and black sunflower seeds. MuesliMax contains 11% protein, 8% fat, and 10% fibre.
Multi-Max (West Feeds)
GrainsGrains
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
VitaminsVitamins
Multi-Max by West Feeds is a top-dressed supplement meant to support most livestock production animals, with a high level of protein of 28%. The ingredients in this feed include inorganic vitamins and minerals and yeast strains to increase digestibility.
Multi-Species Milk Replacer (Hubbard Feeds)
Bone HealthBone Health
FoalFoal
GrowthGrowth
NutritionNutrition
Hubbard® Life Multi-Species Milk Replacer supplies complete nutrition for foals, goat kids, lambs, calves and piglets. It is used to replace or supplement mother's milk with all-milk protein sources and high fat.
MultiSentials 1:1 (Sentinel Care)
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
PerformancePerformance
VitaminsVitamins
MultiSentials 1:1 by Sentinel Care is a complete granular supplement formulated to correct nutritional deficiencies caused by hay and pasture-based diets. It is suitable for all classes of working horses
Muscle Builder Plus (Formula 707)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Muscle Builder Plus from Formula 707 is a pelleted supplement intended to support hoof support, muscle growth, and contains vitamins and minerals.

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