10 Best Joint Supplements for Horses 2026: According to Reviews | Chewy

The 10 Best Joint Supplements for Horses

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How we created this joint supplement list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best joint supplements for horse.
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 joint supplements for horses.

Key joint supplement considerations

Absorption

Dosage

Effectiveness

Ingredients

1
Select the Best MSM Powder Horse Joint Supplement, 4-lb bucket

Select the Best MSM Powder Horse Joint Supplement, 4-lb bucket

Rated 4.8 out of 5 stars
251
$30.95 Chewy Price
($0.18/serving)
Promo, Save 40% today with Autoship

Our ratings

Absorption

4.5/5
Great

Dosage

4.5/5
Great

Effectiveness

4.6/5
Excellent

Ingredients

4.6/5
Excellent

Is this joint supplement right for my pet?

Top Ingredients

Active Ingredients per 10 grams: MSM Methylsulfonylmethane (99%) (10, 000 mg)

Farm Animal Type

Horse

Food Form

Supplement

Health Feature

Hip & Joint Support, Circulatory Care
2
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 16-fl oz bottle
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 16-fl oz bottle
LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 16-fl oz bottle

LubriSyn HA Plus MSM Joint Health Liquid Dog, Cat & Horse Supplement, 16-fl oz bottle

Rated 4.7 out of 5 stars
185
$56.69 Chewy Price
($1.78/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.6/5
Excellent

Dosage

4.4/5
Great

Effectiveness

4.6/5
Excellent

Ingredients

4.5/5
Great

Is this joint 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
3
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb
Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb

Nutramax Cosequin Optimized with MSM Joint Health Apple Flavor Powder Horse Supplement, 3-lb

Rated 4.8 out of 5 stars
176
$114.99 Chewy Price
($1.36/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.6/5
Excellent

Dosage

4.7/5
Excellent

Effectiveness

4.8/5
Excellent

Ingredients

4.7/5
Excellent

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Glucosamine Hydrochloride, Methylsulfonylmethane (MSM), Sodium Chondroitin Sulfate, Manganese Ascorbate., Inactive Ingredients: Dextrose

Food Flavor

Apple, Fruits & Vegetables

Farm Animal Type

Horse
4
Absorbine Flex+Max with Glucosamine, MSM, Chondroitin & Flaxseed Horse Joint Pellets Supplement, 10-lb tub, 60 Day Supply
Absorbine Flex+Max with Glucosamine, MSM, Chondroitin & Flaxseed Horse Joint Pellets Supplement, 10-lb tub, 60 Day Supply
Absorbine Flex+Max with Glucosamine, MSM, Chondroitin & Flaxseed Horse Joint Pellets Supplement, 10-lb tub, 60 Day Supply
Absorbine Flex+Max with Glucosamine, MSM, Chondroitin & Flaxseed Horse Joint Pellets Supplement, 10-lb tub, 60 Day Supply
Absorbine Flex+Max with Glucosamine, MSM, Chondroitin & Flaxseed Horse Joint Pellets Supplement, 10-lb tub, 60 Day Supply

Absorbine Flex+Max with Glucosamine, MSM, Chondroitin & Flaxseed Horse Joint Pellets Supplement, 10-lb tub, 60 Day Supply

Rated 4.9 out of 5 stars
120
$104.89 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.6/5
Excellent

Dosage

4.6/5
Excellent

Effectiveness

4.7/5
Excellent

Ingredients

4.8/5
Excellent

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Flaxseed , Rice Bran, Glucosamine HCI (Shellfish Source), Methylsulfonylmethane (MSM), Chondroitin Sulfate (Porcine source)

Farm Animal Type

Horse

Food Form

Supplement
5
AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub
AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub
AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub
AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub
AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub
AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub

AniMed Pure MSM Joint Support Powder Horse Supplement, 5-lb tub

Rated 4.8 out of 5 stars
363
$29.99 Chewy Price
($0.19/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.4/5
Great

Dosage

4.4/5
Great

Effectiveness

4.6/5
Excellent

Ingredients

4.5/5
Great

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

MSM (Methylsufonylmethane), Methylsulfonylmethane 100% (min) 28, 000mg

Special Diet

Natural

Farm Animal Type

Horse
6
Cox Vet Lab Acti-Flex Pellets Horse Supplement, 5-lb bag
Cox Vet Lab Acti-Flex Pellets Horse Supplement, 5-lb bag
Cox Vet Lab Acti-Flex Pellets Horse Supplement, 5-lb bag

Cox Vet Lab Acti-Flex Pellets Horse Supplement, 5-lb bag

Rated 4.8 out of 5 stars
159
$59.95 Chewy Price
($0.75/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.6/5
Excellent

Dosage

4.6/5
Excellent

Effectiveness

4.6/5
Excellent

Ingredients

4.6/5
Excellent

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Glucosamine Sulfate, Chondroitin Sulfate, Msm, Perna Canaliculus, Ascorbic Acid

Farm Animal Type

Horse

Food Form

Supplement
7
Formula 707 Joint 6-in-1 Hay Flavor Pellets Horse Supplement, 5-lb bag
Formula 707 Joint 6-in-1 Hay Flavor Pellets Horse Supplement, 5-lb bag
Formula 707 Joint 6-in-1 Hay Flavor Pellets Horse Supplement, 5-lb bag
Formula 707 Joint 6-in-1 Hay Flavor Pellets Horse Supplement, 5-lb bag
Formula 707 Joint 6-in-1 Hay Flavor Pellets Horse Supplement, 5-lb bag

Formula 707 Joint 6-in-1 Hay Flavor Pellets Horse Supplement, 5-lb bag

Rated 4.8 out of 5 stars
110
$70.73 Chewy Price
($0.89/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.5/5
Great

Dosage

4.5/5
Great

Effectiveness

4.7/5
Excellent

Ingredients

4.5/5
Great

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Methylsulfonylmethane (MSM) 5, 000mg, Glucosamine HCL (Shell Fish) 4, 500mg, Type II Collagen 3

Food Flavor

Hay

Farm Animal Type

Horse
8
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply
Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply

Horse Health Products Red Cell Pellets Horse Supplement, 64-day supply

Rated 4.8 out of 5 stars
106
$30.99 Chewy Price
($0.25/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.4/5
Great

Dosage

4.3/5
Great

Effectiveness

4.7/5
Excellent

Ingredients

4.6/5
Excellent

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Flaxseed Meal, Dehydrated Alfalfa Meal, Wheat Middlings, Vitamin A Supplement, Vitamin D3 Supplement

Food Flavor

Hay

Farm Animal Type

Horse
9
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket
Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket

Vita Flex Pro MSM Ultra Pure Joint Support Granules Dog & Horse Supplement, 4-lb bucket

Rated 4.8 out of 5 stars
82
$34.49 Chewy Price
($0.20/serving)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.6/5
Excellent

Dosage

4.8/5
Excellent

Effectiveness

4.7/5
Excellent

Ingredients

4.7/5
Excellent

Is this joint supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredient Per Scoop (10.1 G): Methylsulfonylmethane (MSM): 10, 000 mg

Farm Animal Type

Horse

Food Form

Supplement
10
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag
Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag

Buckeye Nutrition Reasons No Sugar Added Joint Support Horse Treats, 4-lb bag

Rated 4.7 out of 5 stars
151
$11.50 Chewy Price
($2.88/lb)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Absorption

4.4/5
Great

Dosage

4.5/5
Great

Effectiveness

4.6/5
Excellent

Ingredients

4.7/5
Excellent

Is this joint supplement right for my pet?

Top Ingredients

Wheat Middlings, Ground Wheat, Ground Corn, MSM (Methylsulfonylmethane), Stabilized Flaxseed

Special Diet

Molasses-Free

Farm Animal Type

Horse

Food Form

Treats