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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.
Omega Horseshine COMPLETE (Omega Fields)
FatFat
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Skin + HairSkin + Hair
Omega Horseshine COMPLETE is an omega-3 fatty acid and vitamin-mineral supplement for horses. It is formulated with flaxseed as a source of alpha-linolenic acid, yeast, vitamins and minerals.
Omega Match Ration Balancing Horse Feed (Purina)
EnergyEnergy
FatFat
FiberFiber
ProteinProtein
Purina Omega Match Ration Balancer is a pelleted feed intended for horses at any activity level and life stage. It is designed to fill nutrient gaps from forage or unfortified grains.
Omolene #300® Growth Concentrate (Purina Mills)
BroodmareBroodmare
Complete FeedComplete Feed
FoalFoal
LactationLactation
Omolene 300 Growth is a textured feed designed for foals, weanlings, yearlings and mares in gestation or lactation. It contains 16% crude protein, 6% crude fat and 7% fibre.
Omolene 200 Performance RT (Purina)
BroodmareBroodmare
Complete FeedComplete Feed
Competition HorsesCompetition Horses
GrowthGrowth
Purina® Omolene® #200 RT is a textured feed intended for performance horses, providing 6% fat and 14% fibre. Energy sources include whole grains and a soy oil-molasses blend.
Omolene 400 Complete Advantage (Purina)
DigestionDigestion
ExerciseExercise
Gut HealthGut Health
UlcersUlcers
Purina® Omolene® #400 Complete Advantage is a textured complete feed intended for active pleasure and senior horses. It contains beet pulp shreds, vegetable oils, and a soy oil-molasses blend to improve palatability.
Omolene 400 Complete Advantage RT (Purina)
DigestionDigestion
ExerciseExercise
Gut HealthGut Health
UlcersUlcers
Purina® Omolene® 400 Complete Advantage RT is a textured feed intended for performance horses. It is a calorie-dense blend of 8% fat, 16% fibre and grains.
Omolene 500 Competition (Purina)
Competition HorsesCompetition Horses
DigestionDigestion
EnergyEnergy
NutritionNutrition
Omolene #500® Competition is a textured feed intended for performance and endurance athletes and horses in heavy work. It provides a higher energy density with 8% fat.
Omolene Maternity 300 (Purina Canada)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Purina Omolene Maternity 300 is a textured horse feed intended for broodmares, nursing and growing foals. It provides higher amino acid content to support growth and development.
Omolene Progression 200 (Purina)
BroodmareBroodmare
Complete FeedComplete Feed
PerformancePerformance
StallionStallion
Omolene Progression 200 is a textured feed intended for performance horses, growing horses and gestating mares. It supplies 14% protein and 7% fat from ingredient sources including soybean meal, soybean oil, whole oats, flaked barley and extruded corn.
Omolene Senior Action (Purina)
ExerciseExercise
PerformancePerformance
Ration BalancerRation Balancer
SeniorSenior
Omolene Senior Action is a complete textured feed formulated for active senior horses. It provides 14% protein, which may support muscle tone in senior horses that are not receiving enough protein from their forage.
Omolene Sport Plus (Purina)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Purina Omolene Sport Plus is a textured complete feed intended for horses in heavy work including racehorses. It provides 8% fat from vegetable oils and contains beet pulp as a high pectin fibre source.
Omolene® #100 Active Pleasure Horse Feed (Purina Mills)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
ExerciseExercise
Gut HealthGut Health
Omolene 100 Active Pleasure Horse Feed is a textured feed targeted to horses in maintenance to moderate work. It provides 10% crude protein, 10% fibre and 4.5% fat.
Omolene® #200 Performance Horse Feed (Purina Mills)
Complete FeedComplete Feed
ExerciseExercise
Gut HealthGut Health
PerformancePerformance
Omolene 200 Performance Horse Feed is a textured feed targeted to performance horses, broodmares in gestation and lactation, and breeding stallions. It contains added fat, carbohydrates, and molasses to support high caloric needs.
Omolene® #400 Complete Advantage (Purina Mills)
Complete FeedComplete Feed
ExerciseExercise
FiberFiber
SeniorSenior
Omolene 400 Complete Advantage is a textured horse feed for active and senior horses. It contains highly digestible fibre from beet pulp and fat from vegetable oils, flax seed and rice bran.
One’N Only (Wendlands)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
One'N Only by Wendlands is a total mixed ration formulated to replace traditional concentrates and supplements. It can also be fed as a hay extender to help meet forage needs.
Opti-Ferm Horse Tub (ClariFly) (Kalmbach Feeds)
Caloric EnergyCaloric Energy
HealthHealth
NutritionNutrition
Skin + HairSkin + Hair
Opti-Ferm Horse Tub with Clarifly by Kalmbach Feeds is an energy, vitamin and mineral supplement lick. It contains Diflubenzuron, which reduces the emergence of flies from manure.
Opti-Ferm Horse Tubs (Kalmbach Feeds)
Caloric EnergyCaloric Energy
FlavorFlavor
Mineral BalanceMineral Balance
NutritionNutrition
Opti-Ferm Horse Tub by Kalmbach Feeds is an energy, vitamin, and mineral supplement lick. It contains added molasses and fat for palatability and 10 mg/lb of added biotin for hoof health.
Opti-GROW Foalstarter (Havens Horsefeed)
Caloric EnergyCaloric Energy
FoalFoal
GrowthGrowth
ProteinProtein
Opti-GROW Foalstarter by Havens Horsefeed is intended for foals up to 18 months of age. It contains 16% protein and include ingredients such as wheat, soybean meal, corn gluten feed, and whey powder.
Optima (Banks Mill Feeds)
Grain FreeGrain Free
Gut HealthGut Health
Metabolic SyndromeMetabolic Syndrome
Omega 3-6-9Omega 3-6-9
Optima-LA from Banks Mill is a low starch pelleted feed intended for horses at all life stages. It provides energy from soybeans, wheat middlings, alfalfa meal, beet pulp, dried molasses, flax, and vegetable oil.
Optimize (Uckele)
FiberFiber
Low NSC FeedsLow NSC Feeds
MetabolismMetabolism
NutrientsNutrients
Optimize is a pelleted ration balancer with a feeding rate of 1-2 lbs per day. It is formulated for horses needing a low starch and sugar diet, such as horses with metabolic disorders. The NSC content in this ration balancer is 7.8%
Orange Superior (DAC)
MetabolismMetabolism
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
Orange Superior is a vitamin and mineral supplement that can be given to any mature horse, and is meant to support metabolic functions, energy balance, and also provides probiotics.
Original 12 Textured (McCauley’s Equine Formulas)
BroodmareBroodmare
Complete FeedComplete Feed
LactationLactation
StallionStallion
Original 12 Textured is a palatable oat-based feed targeted to broodmares and stallions. It is formulated with added yeast and organic minerals. It is designed to promote healthy gut function.
Original 14 Pelleted (McCauley’s)
Feed EfficiencyFeed Efficiency
GrainsGrains
GrowthGrowth
NutritionNutrition
McCauley's Original® 14 Pelleted is a pelleted horse feed with 14% protein to meet the needs of breeding and growing horses. This oat-based formula contains 3.5% fat and 12% fibre.
Original 14 Textured (McCauley’s Equine Formulas)
Feed EfficiencyFeed Efficiency
GrowthGrowth
HealthHealth
LactationLactation
McCauley's Original 14 Textured is an oat-based feed for stallions, breeding, growing, and performance horses. It is fortified with organic minerals and contains yeast for digestive health.
Original 16 Textured (McCauley’s Equine Formulas)
BroodmareBroodmare
Feed EfficiencyFeed Efficiency
FoalFoal
LactationLactation
McCauley's Original 16 Textured is an oat-based horse feed for breeding and growing horses. It contains higher protein (16%) to meet the needs of growing yearlings and lactating broodmares.
Original Performance Formula (Wilson Feeds)
HealthHealth
NutritionNutrition
PerformancePerformance
Ration BalancerRation Balancer
Original Performance Formula by Wilson Feeds is a soy-free supplement intended to fill nutritional gaps of horses on a forage-based diet.
Original® 12 Pelleted (McCauley’s Equine Formulas)
BroodmareBroodmare
Feed EfficiencyFeed Efficiency
Ration BalancerRation Balancer
StallionStallion
McCauley's Original® 12 Pelleted is a palatable and digestible oat-based feed for broodmares and stallions. It provides 12% protein, 12% fiber, 3.5% fat, and contains organic minerals.
Original® 16 Pelleted (McCauley’s Equine Formulas)
Feed EfficiencyFeed Efficiency
FoalFoal
GrowthGrowth
LactationLactation
Original® 16 Pelleted is an oat-based feed targeted to breeding horses and yearlings. It provides 16% crude protein and is formulated for growing horses.
Osceola 10 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 10 is a textured feed with corn, oats, and molasses for mature pleasure horses with a high 48% NSC (sugar & starch) content. This feed contains yeast culture and antioxidants.
Osceola 12 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 12™ is a textured grain-based feed with high NSC levels (44%) intended for mature pleasure horses. Energy sources include corn, oats, wheat, soybean meal and cane molasses.
Osceola 14 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 14™ is a textured feed with higher protein levels for growing, breeding, or performance horses. It has a high NSC value of 39% from grain-based ingredients.
Parkmore Special Vitamin/Mineral Pelleted Supplement (Parkmore Supplements)
HealthHealth
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Parkmore Special Vitamin/Mineral Pelleted Supplement is a trace mineral and vitamin supplement designed for all ages and working classes of horses. It can be fed in addition to grain or on its own.
Pastime (McCauley’s Equine Formulas)
Feed EfficiencyFeed Efficiency
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
Pastime is an oat-based pelleted feed for adult horses at maintenance or in light work. It targets pleasure horses with lower energy density and fat content.
Pasture Horse 10 (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
FlavorFlavor
GrainsGrains
Weight IssuesWeight Issues
Bartlett Pasture Horse 10 is a texturized sweet feed intended for mature pleasure horses. This grain-based feed is formulated with wheat middlings, corn, oats, barley, and molasses.
Pasture Horse 12 (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FlavorFlavor
GrainsGrains
Barlett Pasture Horse 12 is a textured sweet feed formulated for adult pleasure horses. It is higher in protein than Bartlett's Pasture Horse 10 feed.
Pasture Lick (DAC)
HealthHealth
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Pasture Lick by DAC is a vitamin and mineral supplement lick for mature horses. It is formulated with Vitamin E, biotin, and yeast.
Patriot 36 Ration Balancer (ADM Animal Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
ProteinProtein
VitaminsVitamins
Patriot 36 Ration Balancer by ADM Animal Nutrition is a pelleted supplement that provides protein, vitamins, and minerals for all types of horses. It should be fed along with hay or pasture (forage) and any grain or concentrate feeds.
Patriot Feed Easy Complete (ADM Animal Nutrition)
Feed EfficiencyFeed Efficiency
FiberFiber
Gut HealthGut Health
PerformancePerformance
Patriot Feed Easy is a pelleted complete forage/feed mix designed to meet the nutritional needs of mature horses when forage supplies are low. It provides less than 20% NSC.
Patriot Mare & Foal Horse Feed (ADM Animal Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Patriot Mare & Foal is a pelleted complete feed designed to meet the needs of gestating and lactating mares as well as foals from 0 to 18 months of age. Patriot Mare & Foal is palatable to encourage consumption.
Patriot Performance Horse Feed (ADM Animal Nutrition)
Complete FeedComplete Feed
EnergyEnergy
ExerciseExercise
PerformancePerformance
Patriot Performance is a pelleted complete feed that is formulated for mature performance horses and broodmares. It provides vegetable fat and digestible fibre sources and contains ~20% NSC.
Patriot Quick Performance (ADM Animal Nutrition)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
ExerciseExercise
PerformancePerformance
Patriot Quick Performance is a pelleted feed formulated for use when forage supply is limited. It contains 20 - 30% NSC and is intended for mature athletic horses that require additional energy.
Patriot Senior Complete Horse Feed (ADM Animal Nutrition)
Complete FeedComplete Feed
FiberFiber
SeniorSenior
ToplineTopline
Patriot Senior is a pelleted complete forage-feed product for senior horses. It is designed to be easy to chew and to meet nutritional needs when forage availability is low.
Perfectly Senior Horse Summer Pellet (Kruse’s Perfection Brand)
FiberFiber
GrainsGrains
JointsJoints
SeniorSenior
Perfectly Senior Horse Summer Pellet by Kruse's Perfection Brand is a pelleted feed that is intended to be fed to senior maintenance, performance, and breeding horses. This feed is meant to be fed as a complete feed or supplemented with hay or pasture equivalent.
Perfectly Senior Horse Winter Pellet (Kruse’s Perfection Brand)
BroodmareBroodmare
Complete FeedComplete Feed
PerformancePerformance
SeniorSenior
Perfectly Senior Horse Winter Pellet by Kruse's Perfection Brand is a feed that intends to be fed to senior maintenance, performance, and breeding horses either as a complete feed or supplemented with hay or pasture equivalent.
Perfomix (Cavalor)
Complete FeedComplete Feed
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Cavalor Perfomix is a complete textured feed intended for active recreational and competition horses. It provides 11.5% protein and 4% fat from ingredients such as oats, wheat middlings, barley and soy hulls.
Perform Gold (Triple Crown)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
FatFat
FiberFiber
Perform Gold is a high energy density pelleted feed designed for performance horses. It provides 12.5% protein, 12% fat and 15.3% NSC, and contains a mixture of organic and inorganic minerals.
Perform Safe (Seminole)
Complete FeedComplete Feed
EnergyEnergy
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Perform Safe™ is a low-starch, high-fat pelleted feed targeted to growing, breeding and mature performance horses. It contains 12% protein and 8% fat with energy sources such as soybean hulls, beet pulp and rice bran.
Performance (Equis Feed)
GrainsGrains
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Equis Feeds Performance is a high-protein complete feed intended for working horses. It is formulated with oil and grains with highly digestible vitamins, minerals, and digestive aids to provide higher energy density.
Performance 12 (Excel Equine Feeds)
ExerciseExercise
HealthHealth
NutritionNutrition
PerformancePerformance
Performance 12 is a textured feed from Excel Equine Feeds. This feed contains fat sources and digestible fibre intended to support the needs of performance horses.
Performance 14 (Havens Horsefeed)
Caloric EnergyCaloric Energy
ExerciseExercise
MuscleMuscle
PerformancePerformance
Havens Performance 14 is a high-energy feed for equine athletes. This feed contains banana flakes and extra electrolytes to maintain fluid balance, muscle contraction, and neural activity. It has 14% crude protein and 31% NSC with ingredients such as wheat, alfalfa meal, and oats.

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