Finish Line MSM Joint Support Powder Horse Supplement

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The Finish Line MSM Horse Supplement provides your four-legged friend with methylsulfonylmethane (MSM)—a dietary supplement thought to support a healthy inflammatory response and joint health in horses. This ultra-pure formula is a 99.99 percent source of bioavailable sulfur, meaning that this MSM is ready to be absorbed in your horse’s body. This supplement contains no fillers, artificial colors or flavors, so you know just what you’re feeding to your horse. You can easily top dress your horse’s grain with this unflavored powder.

Key Benefits
  • MSM is thought to support a healthy inflammatory response and joint health in the horse.
  • Ultra-pure formula is a 99.99 percent source of bioavailable sulfur for maximum absorption and effectiveness.
  • No filters, artificial colors or flavors.
  • Unflavored powder makes it easy to top dress grain.
  • Available in multiple sizes for ordering convenience.

For use in horses only. Keep out of reach of children

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  • Weight
    30.0 pounds
  • Lifestage
  • Food Form
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Nutritional Info


Feeding Instructions

For a 1000-lb horse, feed 1/2-oz in the morning and 1/2-oz in the evening. 1/2-oz scoop provided.

For small animals, feed recommended level twice daily for first 7 days, reduce to once daily for maintenance.

WeightDaily Feeding
Up to 45 lbs1/4 tsp
45 to 90 lbs1/2 tsp
Over 90 lbsRounded 1/2 tsp

About Finish Line Horse Products

A Passion for Horse Care

Finish Line has been making top quality horse health products for over 40 years. All their offerings are original formulations developed in-house with all-natural active ingredients and tested under strict quality controls. They have a passion for horses and produce products for a wide variety of equine disciplines and activities.

A Passion for Horse Care
Made in America

Made in America

Every Finish Line product is made in the USA at the Finish Line manufacturing facility. They carefully vet all raw materials and follow the strict processes outlined in the NASC BMP Manual (Natural Animal Supplement Council: Best Manufacturing Practices manual). And they are one of the few companies who continues to manufacture their very own products! 

Products Do Not Test

Finish Line tests all products extensively before release to ensure that none of them will test positive in any race or show jurisdiction in the US or Canada when used as directed. Stringent quality control practices ensure uniformity over every batch for a product you can trust. 

A Trusted Name

Trainers have relied on Finish Line Horse Products for superior equine health and performance for decades. A commitment to research and development, quality ingredients, and input from veterinarians, trainers and horse specialists has made them an industry leader and trusted name in the business.

About Finish Line Horse

Passion has remained the forefront of Finish Line Horse Products for four generations. The company began manufacturing health products in 1975, working with in-house chemists to develop innovative solutions for racing horses. With over 100 years of history with these beautiful animals, Finish Line has since expanded their line to over 50 products to help horses across a variety of disciplines perform their best.

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About Finish Line Horse

Rating: 4.5 of 5 stars 2 Reviews 2 Reviews 4.5 out of 5 Stars

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100% of reviewersrecommend this product

Rating: 4.5 of 5 stars 4.5 / 5

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  • 5 out of 5 stars

    Good, horses like the taste

    By Cash on Aug 23, 2021

    Like to feed additional msm so I chose to try this brand. Will buy again.

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  • 4 out of 5 stars

    Good product

    By GSPHunt on May 9, 2020 top500Contributor

    So far like product. Horse eats it fine in her grain. Easy to measure and use.

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