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Menadione Sodium Bisulfate Complex (Source of Vitamin K) - Feed Ingredient

Menadione sodium bisulfate complex (MSBC) is a synthetic source of vitamin K, specifically vitamin K3. It is a stable and water-soluble compound commonly used in animal feed to ensure adequate vitamin K intake.

In equine nutrition, vitamin K is essential for blood clotting, bone metabolism, and vascular health. However, most horses do not require vitamin K supplementation, as it is naturally produced by microbes in the hindgut and found in fresh forages. Supplementation may be beneficial in certain cases, such as high-performance horses, those on antibiotic treatments, or horses with limited forage access.

The following equine feeds, supplements and products contain Menadione Sodium Bisulfate Complex (Source of Vitamin K) as an ingredient.

Feeds, Supplements & Products
Tradition 12 (Hallway)
BroodmareBroodmare
Complete FeedComplete Feed
Competition HorsesCompetition Horses
NutritionNutrition
Tradition 12 from Hallway is a fortified feed cube formulated for broodmares, stallions, and performance horses. This feed contains 12% protein, 4% fat, and 9% fibre
Trail Mix (Running Horse Elite Equine Nutrition)
Complete FeedComplete Feed
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
Running Horse Trail Mix is a concentrated feed containing high fiber, vitamins, minerals, and 12% protein. This feed targets adult horses that are inactive or performing light work.
Trail Time (McCauley’s Equine Formulas)
Complete FeedComplete Feed
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
HealthHealth
Trail Time® is an oat-based textured feed targeted at adult horses at maintenance or in light work. It provides a lower energy density and fat content than other McCauley feeds.
Training Formula (Triple Crown) – [Discontinued]
EnergyEnergy
ExerciseExercise
FatFat
PerformancePerformance
Triple Crown Training Formula is now a discontinued feed which was a high-calorie, high-fat feed designed to meet the energy requirements of exercising horses. Energy sources included oats, molasses, soybeans, beet pulp, alfalfa and wheat middlings.
Triacton (Kentucky Equine Research)
Bone HealthBone Health
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
Triacton from KER is a pelleted supplement intended to support bone and digestive health. This supplement contains minerals and vitamins intended to support gastrointestinal functions and bone density.
Tribute Ultra (Tribute)
ExerciseExercise
FatFat
NutrientsNutrients
Weight IssuesWeight Issues
Tribute Ultra is intended for hard keepers and horses and ponies in heavy work. This feed is meant to support weight gain and performance with its 12% fat and 12% protein formula.
Trifiber Compete (Excel Equine Feeds)
Caloric EnergyCaloric Energy
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Weight IssuesWeight Issues
Trifiber Compete from Excel Equine Feeds is meant for performance horses and has a low NSC content. It is a safe source of calories with fat and fiber. It is made to be beneficial to horses prone to metabolic conditions and horses with weight issues.
Triformance (McCauley’s Equine Formulas)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Triformance® is a textured feed targeted to performance horses, including racehorses and eventers. It has high energy and fat content and provides higher levels of antioxidant nutrients such as Vitamin E.
Triple Play (Equi-lete)
Gut HealthGut Health
HealthHealth
PerformancePerformance
Weight IssuesWeight Issues
Triple Play by Equi-lete is a vitamin and mineral supplement intended to support gastric health, performance and body condition in hard keepers, performance horses and breeding stock.
Triplify (Excel Equine Feeds)
Competition HorsesCompetition Horses
HealthHealth
NutritionNutrition
PerformancePerformance
Triplify is a textured feed from Excel Equine Feeds. Triplify is intended for horses in moderate to heavy work, and contains 10% protein and 10% fat.
U-Balance Foundation (Uckele)
FiberFiber
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Uckele U-Balance Foundation is a pelleted vitamin, mineral, and amino acid supplement for horses. It is intended to balance the diet without adding significant calories. This supplement can also supports sugar metabolism.
Ultimate (Doctor’s Choice Supplements)
Amino AcidAmino Acid
Metabolic SyndromeMetabolic Syndrome
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Ultimate by Doctor's Choice Supplements is a ration balancer intended for horses on pasture of forage. It contains high levels of calcium, thiamine and the first limiting amino acid lysine.
Ultra Complete (Tribute)
EnergyEnergy
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Ultra Complete is a high-fat and fibre textured feed formulated for adult horses in heavy work, such as racehorses in training. It is made with beet pulp, molasses, whole oats and soybeans.
Ultra GH (Tribute)
FatFat
Feed EfficiencyFeed Efficiency
FiberFiber
Gut HealthGut Health
Tribute Ultra GH is a complete pelleted feed intended to support gastrointestinal health in performance horses. It contains added microencapsulated dry yeast, direct-fed microbials, organic and inorganic trace minerals. It provides 8% crude fat and 21.5% NSC.
Ultramin (Equis Feed)
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
YeastYeast
Ultramin by Equis Feed is a free-choice vitamin-mineral supplement for horses that can also be used to top-dress rations. It is formulated with organic minerals, biotin, yeast, and calcium carbonate.
Victoria Racer’s Edge (Thomas Moore Feed)
EnergyEnergy
FatFat
NutrientsNutrients
PerformancePerformance
Victoria Racer's Edge from Thomas Moore Feed is a performance feed that is high in energy and is meant to be fed alongside forage. It contains vitamins and minerals and is intended to support body condition.
Vitamin Gold (Dumor)
ImmunityImmunity
Mineral BalanceMineral Balance
VitaminsVitamins
YeastYeast
DuMOR Vitamin Gold is a pelleted mineral and vitamin supplement intended for all classes of horses and ponies. It is formulated to supplement diets containing poor quality forage.
Vitamins & Electrolyte Concentrate (Durvet)
ElectrolyteElectrolyte
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Vitamins & Electrolytes Concentrate by Durvet is a water soluble premix intended to be used for animals when feed intake is inadequate. This premix can be used for horses, cattle, goats, sheep, swine and poultry of all classes.
Vitamins & Electrolyte Plus (AgriLabs/ProLabs)
ElectrolyteElectrolyte
ExerciseExercise
HydrationHydration
VitaminsVitamins
AgriLabs Vitamins & Electrolyte Plus is a water-soluble powder supplement that provides vitamins, electrolytes and acidifiers for livestock animals and poultry. It is formulated for use during periods of stress or reduced feed intake.
Vitamins & Electrolytes (Durvet)
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
StressStress
VitaminsVitamins
Vitamins & Electrolytes by Durvet is a water soluble vitamin and electrolyte premix intended to be used when animals are subjected to stress. This premix can be used for horses, cattle, goats, sheep, swine and poultry of all classes.
Vitamor Performance Supplement for Multi-Species (DuMor)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Vitamor by DuMor is a multi-species performance supplement providing support for growth, energy, coat health, and overall digestion. Vitamor is a source of protein and energy for equine diets.
WB100 (McCauley’s Equine Formulas)
Caloric EnergyCaloric Energy
ExerciseExercise
PerformancePerformance
Ration BalancerRation Balancer
WB100 is a high-energy pelleted feed for performance horses that contains vegetable oil as a source of added fat. It provides additional calories without excessive protein. It was also designed to support gut health.
Wholesome Blends Balancer (Tribute)
Gut HealthGut Health
HealthHealth
Low NSC FeedsLow NSC Feeds
Ration BalancerRation Balancer
Wholesome Blends Balancer is a soy-free ration balancer with 28% protein, 5% fat and less than 15% NSC. It is formulated with canola, flax, alfalfa, and sunflower meals as well as split peas for protein.
Wholesome Blends Senior (Tribute)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Wholesome Blends Senior is a soy-free high-fat and high-fiber textured complete feed for senior horses. It contains beet pulp, alfalfa meal, flaxseed meal, split peas, and canola oil.
Woody’s Race (Woody’s Horse Nutrition)
Competition HorsesCompetition Horses
EnergyEnergy
PerformancePerformance
RecoveryRecovery
Woody’s Race is a complete feed intended to supply high energy density to horses in moderate to intense work. It is made primarily of oats and corn and contains 11.5% protein and 5% fat.

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