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Microbial-based Additives - Feed Ingredient

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.

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.
Omneity Premix – Vitamin & Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Omneity Premix is a balanced mineral and vitamin supplement for horses providing 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 supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
AniFlex Crumblet (AniMed – Plateau)
AntioxidantAntioxidant
HealthHealth
JointsJoints
NutritionNutrition
AniFlex Crumblet is a petite pellet supplement that is easy to feed with high palatably. It aims to support joint health in horses.
AniFlex GL (AniMed)
Bone HealthBone Health
HealthHealth
JointsJoints
NutrientsNutrients
AniMed's AniFlex GL powdered supplement is supposed to support joint structure and function, connective tissue strength, and bone health.
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.
Antilam (TopSpec)
Easy KeeperEasy Keeper
NutrientsNutrients
NutritionNutrition
Ration BalancerRation Balancer
Antilam from TopSpec is a palatable ration balancer ideal for horses and ponies prone to laminitis. Antilam contains 20% fibre, supporting digestive health, and 30mg of biotin to support hoof health.
Apple & Carrot Flavor Horse Treats (Agrimaster)
EnergyEnergy
FlavorFlavor
NutrientsNutrients
VitaminsVitamins
Apple & Carrot 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.
Apple Smacks Horse Treats (Star Milling Co)
Caloric EnergyCaloric Energy
GrainsGrains
NutritionNutrition
ProteinProtein
Apple Smacks by Star Milling Co is an apple-flavoured treat designed to be fed in small amounts as a special treat. It contains no less than 14.0% protein and is fortified with minerals and vitamins.
Arizona Copper Complete (Horse Tech)
HealthHealth
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
Arizona Copper Complete is a vitamin and mineral supplement for horses containing copper and other trace minerals in an organic amino acid complex. The supplement also provides vitamins and amino acids in a milled flax base.
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.
Balance (Himalayan Horse)
GrainsGrains
HealthHealth
NutrientsNutrients
Skin + HairSkin + Hair
Balance by Himalayan Horse is a complete feed containing oats, corn, oil and molasses. It is intended to support strength and stamina for horses in moderate work.
Balance I (AniMed)
Amino AcidAmino Acid
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Balance I from AniMed is a supplement that states it aids in health and body condition of horses by containing amino acids, fatty acids, vitamins and minerals, and antioxidants. It claims to be formulated for horses fed alfalfa hay.
Balance II (AniMed)
Amino AcidAmino Acid
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Balance II from AniMed is a supplement that states it aids in health and body condition of horses by containing amino acids, fatty acids, vitamins and minerals, and antioxidants. It claims to be formulated for horses fed grass hay.
Balanced (Hygain)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
Balanced by Hygain is feed that intends to be fed as a ration balancer, providing a protein level of 25%, minerals, and vitamins for horses that are easy keepers or on a pasture-only diet.
Balanced Pelleted Horse Mineral (Equiline)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Balanced Pelleted Horse Mineral from Equiline is a pelleted supplement that is meant to provide vitamins and minerals to meet the needs of adult horses. It can be supplied to horses eating hay or grain and any activity level.
Balancer (Triple Crown)
Easy KeeperEasy Keeper
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Ration BalancerRation Balancer
Triple Crown® Balancer is a pelleted mineral and vitamin supplement providing 30% protein, 3% fat and 5% fibre. This ration balancer contains essential amino acids, vitamins, macro minerals, trace minerals, bacteria and enzymes.
Balancer Gold (Triple Crown)
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
Balancer Gold is a soy-free ration balancer with 13.5% protein, 4.5% fat and 14.2% NSC. It has a lower feeding rate and can be used alone or in combination with other complete feeds or feed ingredients.
BalancI.R. Ration (Hoffman’s Horse Products)
Complete FeedComplete Feed
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
Hoffman's BALANCI.R. Horse Ration is an 11% NSC pelleted feed for horses that require a low-starch diet. Energy sources include soybean hulls, stabilized rice bran, malt sprouts, and oat hulls.
Banana Flavor Horse Treats (Agrimaster)
EnergyEnergy
FlavorFlavor
NutrientsNutrients
VitaminsVitamins
Banana 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.
Barn Bag (Life Data Labs Inc)
Easy KeeperEasy Keeper
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Barn Bag by Life Data Labs Inc is a pelleted supplement that is intended as a ration balancer for the easy keepers and horses on pasture. It is a low-calorie and low-starch feed that provides vitamins, minerals, amino acids, and fatty acids.
Barrier (AniMed)
DigestionDigestion
Gut HealthGut Health
HealthHealth
Toxin BinderToxin Binder
AniMed's Barrier aims to help protect the digestive tract from potentially contaminated feed or hay while still allowing the proper absorption of nutrients. The goal of this supplement is to neutralize mycotoxins to prevent them from being absorbed into the bloodstream.
Base Mix P55 (Uckele)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Base Mix P55 is a powdered vitamin and mineral supplement intended for pregnant or lactating mares, growing foals, and performance horses. This supplement contains balanced calcium to potassium ratio.
Be Calm Balancer (Dodson & Horrell)
AntioxidantAntioxidant
CalmingCalming
HerbHerb
Ration BalancerRation Balancer
Be Calm Balancer is a feed designed for anxious and sensitive horses. This feed is lower in starch and provides a blend of calming herbs. It also contains a high level of biotin for hoof support.
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.
Big Hoss (Outlaw Feed)
Coat QualityCoat Quality
FatFat
ImmunityImmunity
JointsJoints
Big Hoss is a supplement intended for working or performance horses in need of extra essential nutrients, including Omega-3. Big Hoss is meant to support joint health, immune system, skin health, hoof health, and gut health.
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-Mos (Alltech)
Gut HealthGut Health
ImmunityImmunity
IngredientIngredient
Toxin BinderToxin Binder
Bio-Mos® is a feed additive from Alltech that is made from a specific strain of Saccharomyces cerevisiae yeast. It supports gut health, feed efficiency, and immune defenses.
Biofix-40 (Hestevard)
HealthHealth
Hoof HealthHoof Health
MuscleMuscle
NutritionNutrition
Biofix-40 by Hestevard is a pelleted supplement intended to support healthy hooves in horses and ponies.
BioFlax 20 (HorseTech)
FatFat
Hoof HealthHoof Health
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
BioFlax 20 by HorseTech is a flaxseed-based supplement formulated with added protein and biotin to promote optimal hoof integrity and a healthy coat.
BioMane Equine Pellets (BioMane)
Amino AcidAmino Acid
Coat QualityCoat Quality
Mineral BalanceMineral Balance
VitaminsVitamins
BioMane Equine Pellets is a horse supplement containing amino acids, vitamins and minerals designed to support hair health. The pellets are composed of organic and inorganic minerals, and contain 14% crude protein, 5% fat and 6% fiber.
BioMAX Plus (Sierra Gold)
Amino AcidAmino Acid
JointsJoints
Mineral BalanceMineral Balance
RecoveryRecovery
BioMAX Plus from Sierra Gold is a supplement that contains glucosamine and chondroitin. It is intended to support joint health, and recovery from injuries or competition.
Biotex-80 (Hestevard)
Hoof HealthHoof Health
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
VitaminsVitamins
Biotex-80 by Hestevard is a sugar-free powdered hoof supplement intended to support hoof growth and strength in horses and ponies.
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.
Biotime® Hoof and Coat Supplement (McCauley’s Equine Formulas)
Amino AcidAmino Acid
Coat QualityCoat Quality
Hoof HealthHoof Health
VitaminsVitamins
McCauley's Biotime® is a supplement formulated with biotin, methionine, zinc, and yeast culture. Biotime supports hoof and coat quality and is recommended for horses and ponies of all working classes and breeds.
Biotin (Basic Equine Nutrition)
Hoof HealthHoof Health
IngredientIngredient
Mineral BalanceMineral Balance
NutrientsNutrients
Biotin (vitamin B7) is a water-soluble vitamin that is an important cofactor for keratin synthesis. Keratin is the main protein in hoof tissue. This supplement provides 25 mg of biotin per scoop.
Biotin 220 (Herbs for Horses)
Coat QualityCoat Quality
Hoof HealthHoof Health
IngredientIngredient
VitaminsVitamins
Biotin 220 is a granular biotin supplement from Herbs for Horses. It provides 26 mg of biotin (Vitamin B7) per scoop to support hoof health, skin, and coat quality.
Biotin 250 Crumblet (AniMed – Plateau)
Coat QualityCoat Quality
FlavorFlavor
Hoof HealthHoof Health
NutrientsNutrients
The Biotin 250 Crumblet from AniMed's Plateau is a supplement meant to aid in proper hoof health, growth, and coat quality. It is also highly palatable and easy to feed.
Biotin 800 Pellets (Kaeco)
Hoof HealthHoof Health
IngredientIngredient
NutrientsNutrients
VitaminsVitamins
Biotin 800 Pellets from Kaeco provides 50mg of biotin per one ounce (28g) serving. Biotin 800 also provides 25mg of the amino acid methionine, and 500mg of Yucca per serving.
Biotin Daily (Durvet)
Coat QualityCoat Quality
DigestionDigestion
HealthHealth
Hoof HealthHoof Health
Biotin Daily from Durvet is a pelleted hoof, coat and digestive supplement. Biotin Daily is intended to support normal hoof growth. This supplement contains apple flavouring intended to improve palatability.
Biotin Hoof Mixture (St.Hippolyt)
Gut HealthGut Health
Hoof HealthHoof Health
NutritionNutrition
VitaminsVitamins
Biotin Hoof Mixture by St.Hippolyt is a pelleted supplement containing vitamins and trace minerals, intended to support hoof health in horses.
Biotin II 22X Pellets (MVP)
Amino AcidAmino Acid
Hoof HealthHoof Health
ProbioticProbiotic
VitaminsVitamins
Biotin II 22X Pellets by MVP is a supplement intended for horses of all life stages that contains a combination of biotin, amino acids, trace minerals and probiotics that intends to help maintain hooves and support growth and repair.
Biotin Plus (NAF Equine)
HealthHealth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Biotin Plus from NAF Equine is intended for all horses and ponies at any work level. This supplement is meant to support hoof health and contains biotin, MSM, and zinc.
Biotin Plus (Paragon)
Coat QualityCoat Quality
Hoof HealthHoof Health
NutritionNutrition
VitaminsVitamins
Biotin Plus by Paragon is a powdered supplement for horses that intends to aid in rapid hoof growth, improve weak or cracked hooves, and support skin and coat health.
BLK (NAF Equine)
Blood CellsBlood Cells
HealthHealth
ImmunityImmunity
YeastYeast
BLK from NAF Equine is intended for all horses and ponies. This supplement is meant to support the liver and kidneys to help detoxify the horse's body.
Blue Label 2X (Pennwoods)
HealthHealth
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Blue Label 2X by Pennwoods is a complete vitamin and mineral supplement designed for horses that contains added amino acids and yeast.
Blue Ribbon (Banks Mill Feeds)
Complete FeedComplete Feed
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Banks' Blue Ribbon is an all-grain sweet feed composed of oats, corn, cane molasses, and soybean meal. It provides a high (33.4%) NSC value. This feed is intended for all horses and ponies.
Blue Ribbon 12+ (Seminole) – [Discontinued]
Competition HorsesCompetition Horses
GrowthGrowth
LactationLactation
PerformancePerformance
Seminole Blue Ribbon 12+ is a now-discontinued textured horse feed targeted to growing, breeding and performance horses. It provides 12% protein with added lysine.
Blue Ribbon High Efficiency (Seminole) – [Discontinued]
Complete FeedComplete Feed
FatFat
GrowthGrowth
ProteinProtein
Seminole Blue Ribbon High Efficiency is a now-discontinued feed targeted to growing, breeding and performance horses. This high-fat textured feed contains added lysine.
BoneWise (Wiser Concepts)
Bone HealthBone Health
HealthHealth
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
BoneWise by Wiser Concepts is a powdered vitamin and mineral supplement designed for bone development in all ages of horses. It can only be ordered through a licensed veterinarian.
Boost ‘Em (Bluebonnet Feeds)
HealthHealth
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Boost 'Em is a pelleted diet balancer from Bluebonnet Feeds that contains protein, fat, vitamins and minerals to contribute to the general health of horses and livestock.

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