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Riboflavin (Vitamin B2) - Feed Ingredient

Vitamin B2, also known as Riboflavin, is a water-soluble vitamin that is essential for energy metabolism in horses. It plays a vital role in the conversion of carbohydrates, fats, and proteins into energy, and is also involved in the maintenance of healthy skin, eyes, and nervous system function.

In equine diets, Vitamin B2 is often supplemented to ensure adequate levels, particularly in horses with increased energy demands or those on a restricted diet. While horses can synthesize some riboflavin in their hindgut, supplementation may be necessary to support optimal health and performance. Vitamin B2 is commonly found in feed ingredients such as alfalfa, green leafy vegetables, and certain grains.

The following equine feeds, supplements and products contain Riboflavin (Vitamin B2) 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.
B-Vitamin Pak (Mad Barn)
CalmingCalming
ExerciseExercise
StressStress
VitaminsVitamins
B-Vitamin Pak is a comprehensive B-vitamin supplement in powder form. It provides a balanced profile of the B-Complex vitamins and may be beneficial for horses during times of heavy work, stress, or illness.
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.
Diamond Smart Pellet (Triple Crown)
ForageForage
HealthHealth
PerformancePerformance
SeniorSenior
Diamond Smart Pellet by Triple Crown is a Teff hay pellet fortified with vitamins and minerals. It is intended for performance and mature horses.
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.
Direct Action Supplement (DAC)
Amino AcidAmino Acid
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Direct Action is a multivitamin and trace mineral concentrate for horses. This low feeding rate supplement is formulated to provide added vitamins, minerals, and amino acids required in the equine diet.
Distinguished (Hallway)
DigestionDigestion
Gut HealthGut Health
NutritionNutrition
SeniorSenior
Distinguished is a textured feed from Hallway feeds for senior horses fortified with Stamm 30, containing 14% protein and 10% fat. Distinguished uses soluble fibre from beet pulp, soy hulls, and chopped hay. It also contains added oil for energy.
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.
Double Play (Equi-lete)
Bone HealthBone Health
Gut HealthGut Health
ImmunityImmunity
PerformancePerformance
Double Play by Equi-lete is a vitamin and mineral supplement intended to support gastric health, performance, and the growth of bone and cartilage in performance horses.
Dr. Reeds 3.0 (Purica)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Purica Dr. Reed's 3.0 is a new version of the now-discontinued Dr. Reed's Formula 2 vitamin and mineral supplement. This concentrated supplement provides a mix of organic and inorganic trace minerals, flaxseed and Natural Vitamin E.
DraversBrok (Havens Horsefeed)
ExerciseExercise
Hoof HealthHoof Health
NutritionNutrition
PerformancePerformance
DraversBrok by Havens Horsefeed is a high-energy feed intended for performance horses. It contains cereal grains, alfalfa, and flax oil as energy sources. This feed helps support optimal skin and hoof conditions.
Dyna Foal (Lakin Milling Company)
EnergyEnergy
FoalFoal
Mineral BalanceMineral Balance
NutritionNutrition
Dyna Foal from Lakin Milling Company is a pelleted feed intended for growing horses. Dyna Foal Horse Pellets contain a balanced calcium-to-phosphorus ratio intended for the growth and development of young horses.
Dynamite (Dynamite)
HealthHealth
Hoof HealthHoof Health
NutrientsNutrients
VitaminsVitamins
Dynamite by Dynamite is a supplement containing high amounts of selenium (44.4 ppm), it is intended to support overall health in all performance horses.
Dynasty Pro 14/6 Pellet (Blue Seal)-[Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
GrowthGrowth
NutritionNutrition
Dynasty Pro 14/6 Pellet was a pelleted feed containing 6% fat, 14% protein, fermentable fiber, nutrients, and yeast. This was feed targeted horses of all ages and supported growth, performance, breeding, and lactation.
Dynasty Senior 14/6 Pellet (Kent Equine) – [Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FiberFiber
SeniorSenior
Dynasty Senior Pellet was high in fiber and provided added fat to maintain body condition in mature and senior horses. This feed contained a blend of vitamins and minerals, yeast cultures, and protein.
Dynasty Show 12/6 Pellet (Kent Equine) – [Discontinued]
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Dynasty Show 12/6 Pellet was a horse feed designed to meet the energy needs of active adult horses. This feed provided 12% protein, 6% fat, digestible fiber, vitamins, minerals, essential amino acids, antioxidants, and yeast cultures.
Dynasty XT Pro 14/10 Textured Horse Feed (Blue Seal) – [Discontinued]
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
MuscleMuscle
Blue Seal Dynasty XT Pro 14/10 is a textured horse feed made with shredded beet pulp. It provides 14% protein to support growing, performance and breeding horses.
E-Boost Paste (DAC)
EnergyEnergy
HealthHealth
NutrientsNutrients
VitaminsVitamins
E-Boost Paste by DAC is a vitamin and protein supplement. It is designed to help maintain normal energy levels.
E-Clipse’PM Pellets (MVP)
AntioxidantAntioxidant
ImmunityImmunity
StressStress
VitaminsVitamins
E-Clipse'PM Pellets by MVP is a supplement for horses that provides antioxidants. It contains B vitamins that intend to help support normal neurological function.
E-TEC Balancer (Poulin Grain)
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
E-TEC Balancer is a ration balancer pellet for horses consuming unfortified grains or forage-only diets. It is intended for horses at different stages including performance, growing, breeding and metabolic horses.
E-TEC Carb Safe (Poulin Grain)
Complete FeedComplete Feed
Hoof HealthHoof Health
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Poulin Grain E-TEC® Carb Safe is a pelleted feed intended for horses that require lower sugar and starch content in their diet. It provides a maximum 5.5% NSC and can fed to overweight horses or those with metabolic concerns.
E-TEC Fibre-Max (Poulin Grain)
FatFat
FiberFiber
PerformancePerformance
ToplineTopline
E-TEC® Fibre-Max is a high fat (14%) and high fibre (20%) feed for performance horses that require higher calorie intakes. It provides 9.3% sugar and 7.4% starch for a total NSC of 16.7%.
E-TEC One (Poulin Grain)
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
YeastYeast
E-TEC One by Poulin Grain is a grain-free feed intended for all classes of horses and ponies. It provides 14% protein, 8% fat, and 18% fiber.
E-TEC Senior Low Carb (Poulin Grain)
FiberFiber
NutritionNutrition
SeniorSenior
Weight IssuesWeight Issues
E-TEC Senior Low Carb by Poulin Grain is a pelleted, grain- and molasses-free feed intended for senior horses that need to avoid sugars and starches. It contains 9.3% starch and 5% sugar.
E-TEC Senior Low Carb Complete (Poulin Grain)
DigestionDigestion
Grain FreeGrain Free
HealthHealth
SeniorSenior
E-TEC Senior Low Carb Complete from Poulin Grain is a senior feed that is grain and molasses free. It is meant for horses with problems chewing or hard keepers.
Easy Boy (Dynamite)
CalmingCalming
Competition HorsesCompetition Horses
HealthHealth
StressStress
Easy Boy is a calming supplement for horses from Dynamite. This supplement contains chelated magnesium and B-vitamins, intended to decrease nervous behaviour in horses.
Easy Keeper (Woody’s Horse Nutrition)
Easy KeeperEasy Keeper
FiberFiber
MetabolismMetabolism
Weight IssuesWeight Issues
Woody’s Easy Keeper is a complete pelleted feed with lower energy density intended for horses at maintenance or horses that need to lose weight. It contains 10.5% NSC and 5% fat.
Eberglo Liquid (Nature’s Way)
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Eberglo by Nature's Wave is a liquid vitamin and mineral supplement for mature horses. It contains water-soluble and fat-soluble vitamins as well as inorganic trace minerals.
ecube Complete Senior (Blue Seal)
FiberFiber
ForageForage
Mineral BalanceMineral Balance
VitaminsVitamins
ēcube Complete Senior is a complete horse feed in a large cube format. It is formulated with alfalfa and grass hays and provides less than 10% NSC. It is intended for mature horses but can be suitable for horses of all life stages.
Edge 14 (Hallway)
EnergyEnergy
FatFat
FiberFiber
NutritionNutrition
Edge 14 from Hallway is a feed fortified with Stamm 30, providing 14% protein, and 6% fat. This feed provides energy from digestible fibres and vegetable oil.
Eeze (Brooks Feeds)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
PerformancePerformance
Eeze by Brooks Feeds is a textured feed for performance horses active in high-intensity disciplines requiring a reduced carbohydrate level. It draws energy primarily from digestible fibres and fats, including rice bran.
Eeze Pro-Plus (Brooks Feeds)
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Eeze Pro-Plus is a calorie dense textured feed that is high fibre and fat for performance horses with a reduced carbohydrate level. Lab analysis provides a calculated NSC value of ~19%.
Electrovits (Herbs for Horses)
ElectrolyteElectrolyte
HydrationHydration
StaminaStamina
VitaminsVitamins
Herbs for Horses Electrovits is an electrolyte supplement containing B-Complex vitamins. It is important to replenish electrolyte minerals such as sodium, chloride, potassium and magnesium following exercise.
Element (Equis Feed)
Caloric EnergyCaloric Energy
GrainsGrains
Mineral BalanceMineral Balance
VitaminsVitamins
Element by Equis Feeds is a high-protein and moderate-fat horse feed that has 15.6% NSC. It contains Zinpro®4-Plex EQ performance trace minerals, prebiotic fibre, beet pulp, and soybean hulls.
Element (Stride Animal Health) – [Discontinued]
ElectrolyteElectrolyte
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Element from Stride Animal Health is a mineral supplement that can assist with the general health of horses. It contains vitamins, minerals, and electrolytes.
Elite Performance (Equine Advantage)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
Elite Performance by Equine Advantage is designed for performance horses. This textured feed provides energy from starch and fat sources, with higher levels of biotin and Lysine.
Elite Ration (Hoffman’s Horse Products)
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Weight IssuesWeight Issues
Hoffman's Elite Horse Ration is a feed intended for horses in moderate to heavy work, or hard keepers. This feed contains flax, rice bran, and vegetable oils for energy, providing 15.5% NSC and 8% fat.
Empower® Topline Balance® Ration Balancer (Nutrena)
Amino AcidAmino Acid
Grain FreeGrain Free
Ration BalancerRation Balancer
ToplineTopline
Nutrena Empower® Topline Balance® is a concentrated ration balancer to support topline and provide common nutrients lacking in forage. It contains 30% crude protein with added limiting amino acids.
Encompass (Hallway)
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
VitaminsVitamins
Encompass from Hallway Feeds is a cubed ration balancer for horses. It provides vitamins, minerals and 25% protein without significant caloric supplementation.
Endurance 10 (Banks Mill Feeds)
FiberFiber
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Endurance 10 is a pelleted feed with no corn intended for mature horses and ponies. Energy sources include wheat middling, soybean hulls, cane molasses, and alfalfa meal.
Endurance 14 (Havens Horsefeed)
MuscleMuscle
NutritionNutrition
PerformancePerformance
StaminaStamina
Endurance 14 is a high-energy feed targeting endurance horses. It contains grains, oils, and antioxidants to support performance. This feed supports gastrointestinal health, muscle development and repair, and the nervous system.
Endurix (Cavalor)
EnergyEnergy
ElectrolyteElectrolyte
FatFat
PerformancePerformance
Cavalor Endurix is a feed mix meant for sport performance horses. It is a source of energy, pre- and probiotics, fat, vitamins and minerals.
Enhance 0.5 (Technique)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
NutritionNutrition
Enhance 0.5 by Technique is a non-soy pelleted feed intended to meet the nutritional needs of all horse types.
Enhancer (Brooks Feeds)
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
VitaminsVitamins
Brooks Enhancer is a low-calorie pelleted ration balancer formulated to provide vitamins and minerals required in the equine diet. It contains a mix of organic and inorganic minerals and has a low NSC content ideal for horses prone to laminitis.
Enrich Plus Ration Balancing Concentrate (Purina)
Easy KeeperEasy Keeper
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Purina Enrich Plus Ration Balancing is a concentrated, pelleted formula intended for easy keepers, growing horses, breeding stallions, and early gestation mares. It contains 32% crude protein and 15% NSC.
Enrich Plus Senior (Purina)
Complete FeedComplete Feed
DentalDental
FiberFiber
SeniorSenior
Enrich Plus Senior Ration Balancing Horse Feed by Purina is a complete pelleted feed intended for senior horses. It is to be fed in addition to forage.
Enrichment (Excel Equine)
DigestionDigestion
HealthHealth
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Enrichment by Excel Equine is a specially formulated pelleted feed designed for senior horses with chronic health conditions. It contains 26% protein, 6% fiber, and 3% fat to support their unique nutritional needs.
Eq-Well (Arenus Animal Health)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
NutritionNutrition
Eq-Well by Arenus Animal Health is an equine vitamin and mineral balancer. It is a granular supplement intended for horses of all ages and work levels.
EQ8 Gut Health (Buckeye)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
EQ8 Gut Health is a textured feed intended for horses in maintenance to moderate exercise. This feed provides 20% NSC and contains calcium, prebiotics, probiotics and yeast to support digestive health.
EQ8 Performance Gut Health (Buckeye)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
EQ8 Performance Gut Health is a calorie-dense extruded feed for active horses. This feed contains 20% NSC, 14% protein and 12% fat. It provides calcium, probiotics and yeast to support digestive health.
EQ8 Senior Gut Health (Buckeye)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
EQ8 Senior Gut Health is a multi-textured feed formulated for geriatric horses. It provides 14% protein, 10% fat and 20% NSC. It contains calcium, prebiotics, probiotics and yeast to support digestive health.
Eqceed 14 (Tucker Milling)
Complete FeedComplete Feed
FiberFiber
HealthHealth
NutritionNutrition
Eqceed 14 by Tucker Milling is a pelleted complete feed that contains 8% fat. It is formulated for working and maintenance horses and is marketed as a low starch feed.
Eqceed Ultra Senior (Tucker Milling)
Complete FeedComplete Feed
Gut HealthGut Health
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Eqceed Ultra Senior by Tucker Milling is a textured, high-fat, low-starch feed formulated specifically for senior horses. It includes shredded beet pulp and Lactobacillus, which supports gut health, and it can served as a complete replacement for hay or pasture.

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