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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.
Performance Advantage (Tribute Equine)
EnergyEnergy
FatFat
FoalFoal
PerformancePerformance
Tribute Performance Advantage® is a grain-based, textured feed formulated to meet the higher energy requirements of performance horses. It provides 8% fat and 31% NSC.
Performance Equine Mineral and Vitamin Formulation (Wild Gold)
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
Performance Equine Mineral and Vitamin Formulation by Wild Gold is a premixed supplement that is intended to provide vitamins, minerals, and probiotics to support optimal nutrient absorption.
Performance Horse Mineral (Hoffman’s Horse Products)
Mineral BalanceMineral Balance
PerformancePerformance
RecoveryRecovery
VitaminsVitamins
Hoffman's Performance Horse Mineral is a pelleted mineral and vitamin supplement that provides a mix of organic and inorganic trace minerals. This supplement can be provided free-choice or as a top dressing with feed.
Performance Horsepower (ProHeritage Feeds)
FatFat
NutrientsNutrients
PerformancePerformance
YeastYeast
Performance Horsepower from ProHeritage Feeds is a feed that is high in fat and it is intended for working and performance horses. It also contains vitamins, minerals, and yeast.
Performance Liquid (Formula 707)
Mineral BalanceMineral Balance
NutrientsNutrients
PerformancePerformance
VitaminsVitamins
Performance Liquid from Formula 707 is a liquid supplement containing vitamins and minerals. It is intended to provide energy and nutrients for performance horses.
Performance One (Pureform)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
ExerciseExercise
PerformancePerformance
Performance One is a concentrated supplement for performance horses providing glucosamine, MSM, creatine, amino acids, vitamins, trace minerals and electrolytes.
Performance Pelleted (Woody’s Horse Nutrition)
Competition HorsesCompetition Horses
FatFat
PerformancePerformance
ProteinProtein
Woody’s Performance Pelleted is a complete pelleted feed with higher energy density for working horses. It is formulated with beet pulp, alfalfa meal and oats, and contains 14% protein and 8% fat.
Performance Pellets Formula (Bartlett Milling) [Discontinued]
ExerciseExercise
GrowthGrowth
LactationLactation
PerformancePerformance
Bartlett Performance Pellets Formula is a pelleted feed intended for horses requiring additional protein and energy. It can be fed to horses in light to medium work, growing foals and lactating mares.
Performance Pellets Gold Formula (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Bartlett Performance Pellets Gold Formula is a high energy density feed intended for mature horses in moderate to rigorous training. Calorie sources include wheat middlings, corn, and soy oil.
Performance Plus 606 Pellets (Ace Hi Feeds)
Caloric EnergyCaloric Energy
NutritionNutrition
PerformancePerformance
ProteinProtein
Performance Plus 606 by Ace Hi Feeds is intended for horses with higher energy needs including growing and performance horses. It contains barley, wheat bran, and canola oil as energy sources.
Performance Plus Complete (Bluebonnet Feeds)
FiberFiber
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Performance Plus Complete from Bluebonnet Feeds is an alfalfa-based pellet intended to replace some or all of the forage in a horse's diet. It contains 12% crude protein, 3.5% crude fat, and 29% crude fibre.
Performance Senior (Daily Dose Equine)
FatFat
FiberFiber
PerformancePerformance
SeniorSenior
Performance Senior by Daily Dose Equine is a textured feed that provides a high-calorie diet with 15% fat that is ideal for senior horses with dental issues or hard keepers.
Performance Textured (ProElite)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
StaminaStamina
ProElite Performance Horse Feed is a textured feed intended for mature show and performance horses. It provides 12% fat and 18.3% NSC with energy sources including beet pulp, whole oats, wheat middlings, soybean hulls, and cane molasses.
Performance Textured (Woody’s Horse Nutrition)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
FatFat
ProteinProtein
Woody’s Performance Textured is a complete textured feed for exercising and performance horses. It provides 14% protein and 10% fat and is composed of oats, beet pulp, molasses and vegetable oil.
Performance XL (Manna Pro)
Competition HorsesCompetition Horses
NutritionNutrition
PerformancePerformance
ProteinProtein
Performance XL from Manna Pro is a complete feed designed for equine athletes with higher energy demands. It contains Calf-Manna® as a source of protein and Max-E Glo® Stabilized Rice Bran as a source of energy from fat. Performance XL is 12% crude protein, 8% crude fat, and 8% crude fibre.
Perktone (Cox Vet Lab)
Blood CellsBlood Cells
EnergyEnergy
Mineral BalanceMineral Balance
VitaminsVitamins
Perktone is a liquid iron supplement intended to help performance horses with their blood's ability to transport oxygen throughout the body. This may lead to improved performance.
Phase I – Pelleted (Brooks)
EnergyEnergy
FoalFoal
GrowthGrowth
NutritionNutrition
Phase I - Pelleted is intended for growing horses. Phase I is intended to promote and support growth. This feed contains barley and corn.
Phase I – Textured (Brooks)
FoalFoal
GrowthGrowth
HealthHealth
NutritionNutrition
Phase I is a textured feed intended for growing horses. This feed is intended to support growth and contains oats and soybean meal.
Phase II (Brooks Feeds)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Brooks Feeds Phase II is a horse feed intended for broodmares and yearlings. It is formulated with higher protein content to support growth and development.
Phase III Elite – Textured (Brooks Feeds)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Brooks Phase III Elite - Textured is formulated for performance horses with higher energy needs. It provides a higher fat content from stabilized flax, rice bran, and soy oil. It is also available in a pelleted form.
Phase IV (Brooks)
Complete FeedComplete Feed
EnergyEnergy
FiberFiber
NutritionNutrition
Brooks Phase IV is a pelleted or textured horse feed that provides moderate energy with added fibre. It is targeted to horses at maintenance, in light exercise, early gestation broodmares and young horses in training.
Phase V (Brooks Feeds)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
Brooks Phase V is a pelleted or textured feed intended for performance equine athletes. It provides 8% fat and 15% fibre with energy sources including oats, wheat shorts, soybeans, barley, alfalfa meal, and molasses.
Photo Finish (Brooks Feeds)
EnergyEnergy
PrebioticPrebiotic
ProbioticProbiotic
StaminaStamina
Photo Finish from Brooks Feeds is a textured feed that contains fibre and fat. It is a source of energy and supports stamina for speed and power. This feed also includes pre and probiotics.
Physique (Equi-lete)
Bone HealthBone Health
EnergyEnergy
HealthHealth
Mineral BalanceMineral Balance
UlcersUlcers
Physique by Equi-lete is a pelleted supplement intended to support bone and tissue health in all horse types.
Plain 12% Pellet (Sweet Country Feeds)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
Plain 12% Pellet by Sweet Country Feeds is a molasses-free formulation that provides 12% protein and 4% fat. It is intended for mature horses at maintenance or in light exercise.
Plantation 10 All-Grain (Seminole) – [Discontinued]
Complete FeedComplete Feed
GrainsGrains
NutrientsNutrients
SeniorSenior
Seminole Plantation 10 All Grain is a now-discontinued textured horse feed based on oats. It was targeted to mature horses and provided 10% protein and 4% fat.
Platinum Performance® Equine Wellness and Performance Formula
EnergyEnergy
FatFat
JointsJoints
Omega 3-6-9Omega 3-6-9
Platinum Performance® Equine Wellness and Performance Formula is a nutritional supplement containing ground flaxseed, stabilized rice bran, montmorillonite (bentonite) clay and a range of vitamins and minerals.
Pleasure 12% (Manna Pro) [Discontinued]
Complete FeedComplete Feed
FiberFiber
HealthHealth
NutritionNutrition
Manna Pro Pleasure 12% is a pelleted feed formulated for pleasure horses. It contains 12% crude protein, 4% crude fat, 22% crude fibre, and uses a mix of organic and inorganic trace minerals.
Pleasure Pellet (Buckeye)
Complete FeedComplete Feed
EnergyEnergy
Mineral BalanceMineral Balance
ProteinProtein
Buckeye Pleasure Pelleted Horse Feed is formulated for mature horses at maintenance or in light work. Energy sources include wheat middlings, ground corn, soybean oil, and dried molasses.
Pleasure Sweet (Buckeye)
Complete FeedComplete Feed
DigestionDigestion
NutritionNutrition
SeniorSenior
Pleasure Sweet is a multi-particle sweet feed with added molasses to improve palatability. This feed supports digestibility and is intended for mature maintenance or lightly worked horses.
Podium Cool Energy – Pellet (Masterfeeds)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
UlcersUlcers
Podium Cool Energy is a controlled NSC performance feed that utilizes energy from carbohydrates and moderate levels of fat and protein. It is targeted at standardbred racehorses, eventers, and other equine athletes.
Post Time (McCauley’s Equine Formulas)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Post Time® is a highly palatable textured horse feed providing high digestible energy levels for performance horses. It provides 8% crude fat from vegetable oil, 12% protein, and 11% crude fiber.
Power Finish (Tribute)
Complete FeedComplete Feed
EnergyEnergy
ExerciseExercise
PerformancePerformance
Tribute Power Finish is a high-fat textured feed intended for adult horses in heavy training. It provides highly digestible energy sources to support the calorie requirements of racehorses. Power Finish contains high levels of protein (13% crude protein), fat (10% crude fat), and NSC (32%).
Power Play (Brooks Feeds)
EnergyEnergy
FiberFiber
PerformancePerformance
StaminaStamina
Power Play from Brooks Feeds is an energy-dense textured feed. It is intended to support horses in high intensity exercise or performance horses.
Power Up (Cox Vet Lab)
Competition HorsesCompetition Horses
MuscleMuscle
PerformancePerformance
RecoveryRecovery
Power Up from Cox Vet Lab is a liquid equine supplement containing a blend of Gamma Oryzanol and Creatine. Power Up is cherry flavoured to improve palatability.
Power-Plus Mix (Havens Horsefeed)
ElectrolyteElectrolyte
ExerciseExercise
GrainsGrains
PerformancePerformance
Power-Plus Mix by Havens Horsefeed is a high-energy feed for performance horses. It contains barley flakes, corn flakes, and oats as energy sources. The additional electrolytes support horses in hot climates.
PowerGLO (ADM Animal Nutrition)
Caloric EnergyCaloric Energy
ExerciseExercise
PerformancePerformance
Weight IssuesWeight Issues
PowerGLO is a concentrated feed formulated for elite performance horses. It is high in fat and carbohydrates to support the caloric needs of equine athletes.
Precision (Ark Nutrition)
Amino AcidAmino Acid
FatFat
GrowthGrowth
ToplineTopline
Precision by Ark Nutrition is a pelleted feed that is low in sugar with a moderate starch level meant to ease digestion and is higher in soluble fiber levels to support hindgut function.
PreOx (HorseTech)
AntioxidantAntioxidant
HealthHealth
ImmunityImmunity
VitaminsVitamins
PreOx from HorseTech is a powdered antioxidant supplement. PreOx contains added vitamins, minerals and added flaxseed. This supplement is intended for horses who require additional antioxidants in their diet.
Prep 14 (Hallway)
Caloric EnergyCaloric Energy
Gut HealthGut Health
RecoveryRecovery
Weight IssuesWeight Issues
Prep 14 from Hallway is a fortified high-energy, fat, and fibre feed for horses with greater energy demands. Prep 14 contains 14% protein, 12.5% fibre, and 10% fat.
Prime (Running Horse)
Competition HorsesCompetition Horses
ExerciseExercise
FatFat
PerformancePerformance
Running Horse Prime is a high-energy extruded feed targeted to performance equine athletes. Calorie sources include wheat middlings, pearled barley, soybean hulls, corn DDGS, stabilized rice bran, vegetable oil, flaxseed, and beet pulp.
PrimeGLO (ADM Animal Nutrition)
FatFat
Omega 3-6-9Omega 3-6-9
PerformancePerformance
Weight IssuesWeight Issues
PrimeGLO is a concentrated horse feed designed for mature horses. It is a soft, easy-to-chew formulation that contains ingredients to support gut health. The total NSC is 14.5%.
Primequine (Newmac Animal Feeds)
HealthHealth
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Primequine by Newmac Animal Feeds is a vitamin and mineral supplement intended to support overall health in horses.
Pro Balance (Bluebonnet Feeds)
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
YeastYeast
Pro Balance by Bluebonnet is a comprehensive diet balancer formulated to correct vitamin and mineral deficiencies commonly found in forage-only diets for horses. It also includes yeast, probiotics, and digestive enzymes to support optimal gut health and nutrient absorption.
Pro Horse 12 (MAC)
EnergyEnergy
FatFat
NutrientsNutrients
SeniorSenior
Pro Horse 12 by MAC is a high energy feed with vitamins and minerals, it is intended for mature horses.
Pro Mare (MAC)
BroodmareBroodmare
LactationLactation
Mineral BalanceMineral Balance
NutrientsNutrients
Pro Mare by MAC is a salt-limited supplement intended for lactating or dry mares on hay or pasture.
Pro Mare With Clarifly (MAC)
BroodmareBroodmare
HealthHealth
LactationLactation
NutrientsNutrients
Pro Mare with Clarifly by MAC is a protein, vitamin and mineral supplement. It is intended to control the development of flies in the manure of dry and lactating mares.
Pro Star Complete 3/8 (West Feeds)
Caloric EnergyCaloric Energy
FiberFiber
Gut HealthGut Health
NutritionNutrition
Pro Star Complete 3/8 by West Feeds is a high fibre feed with ingredients such as plant protein and processed grains. It contains a minimum of 12% protein and a maximum of 25% fibre.
Pro V.M. (Peak Performance Nutrients)
JointsJoints
MuscleMuscle
PerformancePerformance
StaminaStamina
Pro V.M. by Peak Performance Nutrients is a multi-use vitamin, mineral and amino acid supplement designed with race horses in mind. It intends to support the extreme demands on the horse’s joints, immune system and muscular system.
Pro V.M. with EFAs (Peak Performance Nutrients)
AntioxidantAntioxidant
ElectrolyteElectrolyte
JointsJoints
MuscleMuscle
Pro V.M. with EFAs by Peak Performance Nutrients is a vitamin, mineral, amino acid & probiotic supplement designed with race horses in mind. It intends to support the extreme demands on the horse’s joints, immune system and digestive system.

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