10 Best Horse Supplements 2025: According to Reviews | Chewy

The 10 Best Horse Supplements

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How we created this horse supplement list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best horse supplement.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best horse supplements.

Key horse supplement considerations

Dosage

Ease of Use

Ingredients

Results

1
Tough-1 All-Natural Himalayan Rock Salt Block Horse Treat, 2.2-lb
Tough-1 All-Natural Himalayan Rock Salt Block Horse Treat, 2.2-lb

Tough-1 All-Natural Himalayan Rock Salt Block Horse Treat, 2.2-lb

Rated 4.8 out of 5 stars
690
$4.99Chewy Price
($2.27/lb)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.4/5
Great

Ease of Use

4.7/5
Excellent

Ingredients

4.6/5
Excellent

Results

4.5/5
Great

Is this horse supplement right for my pet?

Top Ingredient

Himalayan Salt

Special Diet

Natural

Food Flavor

Salt, Herbs & Spices

Farm Animal Type

Cattle, Goat, Llama & Alpaca, Sheep...
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2
Probios Equine Probiotic Apple Flavor Soft Chew Horse Supplement, 60 count
Probios Equine Probiotic Apple Flavor Soft Chew Horse Supplement, 60 count
Probios Equine Probiotic Apple Flavor Soft Chew Horse Supplement, 60 count
Probios Equine Probiotic Apple Flavor Soft Chew Horse Supplement, 60 count
Probios Equine Probiotic Apple Flavor Soft Chew Horse Supplement, 60 count

Probios Equine Probiotic Apple Flavor Soft Chew Horse Supplement, 60 count

Rated 4.8 out of 5 stars
493
$14.99Chewy Price
($0.25/serving)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.5/5
Great

Ease of Use

4.6/5
Excellent

Ingredients

4.5/5
Great

Results

4.6/5
Excellent

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Oat Flour, Cane Molasses, Barley Flour, Brewers Dried Yeast, Glycerin

Food Flavor

Apple, Fruits & Vegetables

Farm Animal Type

Horse
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3
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket
Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket

Farnam SimpliFly Feed-Thru Fly Control Pellets Horse Supplement, 20-lb bucket

Rated 4.7 out of 5 stars
338
$122.29Chewy Price
($6.12/lb)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.4/5
Great

Ease of Use

4.6/5
Excellent

Ingredients

4.5/5
Great

Results

4.5/5
Great

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredient

Diflubenzuron

Farm Animal Type

Horse

Food Form

Supplement, Feed
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4
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe
Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe

Ulcergard Omeprazole Paste Horse Treatment, 1 syringe, .22-oz syringe

Rated 4.9 out of 5 stars
210
$42.99Chewy Price
($195.41/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.5/5
Great

Ease of Use

4.8/5
Excellent

Ingredients

4.7/5
Excellent

Results

4.5/5
Great

Is this horse supplement right for my pet?

Lifestage

Adult, All Lifestages

Top Ingredient

Active Ingredient: Omeprazole

Farm Animal Type

Horse

Health Feature

Digestive Health
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5
Kentucky Performance Products Elevate Maintenance Powder Vitamin E Horse Supplement, 2-lb jar
Kentucky Performance Products Elevate Maintenance Powder Vitamin E Horse Supplement, 2-lb jar
Kentucky Performance Products Elevate Maintenance Powder Vitamin E Horse Supplement, 2-lb jar
Kentucky Performance Products Elevate Maintenance Powder Vitamin E Horse Supplement, 2-lb jar

Kentucky Performance Products Elevate Maintenance Powder Vitamin E Horse Supplement, 2-lb jar

Rated 4.8 out of 5 stars
276
$51.84Chewy Price
($0.40/serving)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.6/5
Excellent

Ease of Use

4.6/5
Excellent

Ingredients

4.6/5
Excellent

Results

4.6/5
Excellent

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

D-Alpha-Tocopheryl Acetate (Natural Vitamin E), And Dextrose

Farm Animal Type

Horse

Food Form

Supplement
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6
DAC Oil Fatty Acid Coat Health Liquid Horse Supplement, 7.5-lb bucket
DAC Oil Fatty Acid Coat Health Liquid Horse Supplement, 7.5-lb bucket

DAC Oil Fatty Acid Coat Health Liquid Horse Supplement, 7.5-lb bucket

Rated 4.8 out of 5 stars
157
$40.95Chewy Price
($0.35/serving)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.8/5
Excellent

Ease of Use

4.7/5
Excellent

Ingredients

4.9/5
Excellent

Results

4.7/5
Excellent

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Canola Oil, Flax Seed Oil, Wheat Germ Oil, Fish Oil, Rice Oil

Farm Animal Type

Horse

Food Form

Supplement
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7
Finish Line Apple-A-Day Electrolyte Apple Flavor Powder Horse Supplement, 5-lb tub
Finish Line Apple-A-Day Electrolyte Apple Flavor Powder Horse Supplement, 5-lb tub
Finish Line Apple-A-Day Electrolyte Apple Flavor Powder Horse Supplement, 5-lb tub
Finish Line Apple-A-Day Electrolyte Apple Flavor Powder Horse Supplement, 5-lb tub
Finish Line Apple-A-Day Electrolyte Apple Flavor Powder Horse Supplement, 5-lb tub

Finish Line Apple-A-Day Electrolyte Apple Flavor Powder Horse Supplement, 5-lb tub

Rated 4.8 out of 5 stars
204
$14.99Chewy Price
($0.19/serving)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.5/5
Great

Ease of Use

4.7/5
Excellent

Ingredients

4.6/5
Excellent

Results

4.5/5
Great

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Salt, Potassium Chloride, Sodium Bicarbonate, Calcium Carbonate, Magnesium Sulfate

Special Diet

Flax-Free, Sugar Free, Low Glycemic

Food Flavor

Apple, Fruits & Vegetables
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8
AniMed Professional Strength Remission Hoof Health Powder Horse Supplement, 4-lb tub
AniMed Professional Strength Remission Hoof Health Powder Horse Supplement, 4-lb tub
AniMed Professional Strength Remission Hoof Health Powder Horse Supplement, 4-lb tub
AniMed Professional Strength Remission Hoof Health Powder Horse Supplement, 4-lb tub
AniMed Professional Strength Remission Hoof Health Powder Horse Supplement, 4-lb tub

AniMed Professional Strength Remission Hoof Health Powder Horse Supplement, 4-lb tub

Rated 4.7 out of 5 stars
283
$35.99Chewy Price
($0.29/serving)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.4/5
Great

Ease of Use

4.2/5
Great

Ingredients

4.3/5
Great

Results

4.3/5
Great

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Magnesium Oxide, Flaxseed Meal, Stabilized Rice Bran, Brewer's Yeast, Chromium Tripicolinate

Farm Animal Type

Horse

Food Form

Supplement
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9
Formula 707 MultiFly Feed-Thru Horse Fly Control, 10-lb bag
Formula 707 MultiFly Feed-Thru Horse Fly Control, 10-lb bag
Formula 707 MultiFly Feed-Thru Horse Fly Control, 10-lb bag
Formula 707 MultiFly Feed-Thru Horse Fly Control, 10-lb bag
Formula 707 MultiFly Feed-Thru Horse Fly Control, 10-lb bag

Formula 707 MultiFly Feed-Thru Horse Fly Control, 10-lb bag

Rated 4.8 out of 5 stars
183
$65.99Chewy Price
($6.60/lb)

Our ratings

Dosage

4.6/5
Excellent

Ease of Use

4.6/5
Excellent

Ingredients

4.6/5
Excellent

Results

4.5/5
Great

Is this horse supplement right for my pet?

Top Ingredients

Wheat Middling, Alfalfa-Dehydrated, Novaluron, Calcium Carbonate, Sodium Chloride and Calcium Propionate (preservative)

Farm Animal Type

Horse

Food Form

Pellets, Feed

Health Feature

Pest Control
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10
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 1-qt bottle
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 1-qt bottle
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 1-qt bottle
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 1-qt bottle

LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 1-qt bottle

Rated 4.7 out of 5 stars
122
$105.29Chewy Price
($1.65/serving)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Dosage

4.5/5
Great

Ease of Use

4.7/5
Excellent

Ingredients

4.6/5
Excellent

Results

4.6/5
Excellent

Is this horse supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Methyl Sulfonyl Methane, Sodium Hyaluronate, Inactive Ingredients: Water, Glycerin, Xantham Gum

Special Diet

Natural, Human-Grade

Food Flavor

Unflavored
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