Are you searching for the best MSM supplements for horses that actually work? There is a wide variety of different products on the market, and it can be difficult to separate fact from fiction.
Horses are a big investment for many people, and they cost a lot of money just to keep them healthy. Horses in particular need a lot of nutrition and supplementation to keep them healthy and strong. Most horse owners are aware of these things, but they don’t always know where to start looking for the best supplements for their horses.
Today, we’re going to list the top five best MSM supplements for horses — it’s a must-read for anyone looking to improve their own horse’s fitness, health, and performance.
- UltraCruz Equine MSM Joint Supplement (4 lbs) is the best value for your money.
- AniMed Pure MSM (2.25 lbs) – Bulk Quantities Available.
- Vita Flex Pro MSM Joint Supplement – Best for Horses & Dogs.
- UltraCruz Equine MSM Joint Supplement (4 lbs) – Best for High Performance Horses.
- Ultra Pure MSM (11 lbs) – Human Grade Quality.
- Majesty’s Flex Wafers Equine Joint Support Supplements – Palatability.
Our Top Overall Pick


- AniMed Pure MSM (2.25 lbs) is our pick based on value, utility and durability.
Table of Contents
Image | Name | Features | Price |
---|---|---|---|
![]() ![]() | AniMed Pure MSM (2.25 lbs) |
| Check Price |
![]() ![]() | Vita Flex Pro MSM Joint Supplement |
| Check Price |
![]() ![]() | UltraCruz Equine MSM Joint Supplement (4 lbs) |
| Check Price |
![]() ![]() | Ultra Pure MSM (11 lbs) |
| Check Price |
![]() ![]() | Majesty’s Flex Wafers Equine Joint Support Supplements | Check Price | Check Price |
Top 5 Best MSM Supplements for Horses
1. AniMed Pure MSM (2.25 lbs) – Bulk Quantities Available
- Brand: AniMed
- Bulk Quantities Available
- Product Questions/Answers
- Product Reviews
- Price: Check Price
Pure MSM (Methylsulfonylmethane) is the natural sulfur compound that occurs naturally in the body. It is an essential component of connective tissue and cartilage, preventing inflammation and pain. It has also been shown to have anti-inflammatory effects in horses and has a mild odor, is completely soluble in water, dissolves easily at body temperature and will not harden in cold temperatures.
MSM is also a natural antioxidant that helps to remove damaging free radicals. AniMed Pure MSM contains 60% of the daily recommended dosage of elemental sulfur with no fillers.
It provides all the benefits of MSM without the fillers, and is completely free of GMO’s, fillers, additives or other additives (such as preservatives).
2. Vita Flex Pro MSM Joint Supplement – Best for Horses & Dogs
- Brand: Vita Flex
- Best for Horses & Dogs
- Product Questions/Answers
- Product Reviews
- Price: Check Price
Vita Flex Pro MSM Joint Supplement is a powerful and effective joint supplement that provides essential vitamins and minerals for healthy joint health. It is a naturally occurring form of bioavailable sulfur, a mineral that supports healthy joints in horses, dogs and cats.
Vitaflex MSM is a highly pure and concentrated form of methylsulfonylmethane (MSM). MSM is a metabolite of dimethyl sulfoxide and is the primary metabolite of MSM that improves joint health by promoting synovial fluid production and natural lubrication.
This product can be used several ways: as a supplement, by dissolving in water to make a paste, or by adding it to food or feed.
3. UltraCruz Equine MSM Joint Supplement (4 lbs) – Best for High Performance Horses
- Brand: UltraCruz
- Best for High Performance Horses
- Product Questions/Answers
- Product Reviews
- Price: Check Price
Ultra Cruz Equine MSM Joint Supplement is a palatable source of non-metallic sulfur that supports both bone and joint health. Horses in training and competition, as well as those requiring additional joint support, may benefit from this pelleted supplement. MSM is a source of organic sulfur, which is required for a number of functions in the body. It has been shown that MSM helps enhance the functions of joint and connective tissue and possibly stimulates the production of proteoglycans, which help maintain the health and resiliency of joints and connective tissue. MSM is a popular dietary supplement for horses that can be fed as a single agent or in combination with other supplements.
4. Ultra Pure MSM (11 lbs) – Human Grade Quality
- Brand: Ultra Pure
- Human Grade Quality
- Product Questions/Answers
- Product Reviews
- Price: Check Price
Ultra Pure MSM is a sulfur-rich supplement used by veterinarians and horse owners to support the normal response to stress and inflammation. It can be used with equine joint supplements, anti-inflammatories, or other nutritional products for horses. Sulfur supports healthy joints by adding essential protein to cartilage tissue.
It is a naturally occurring sulfur compound found in the body. It’s an important part of the immune system and plays a role in wound healing, cartilage production, and joint flexibility.
This powerful natural supplement is used by horses in over 2,000 different products and it has proven to be an effective treatment for a variety of diseases. The intestinal tract, liver and kidneys are known to be sulfur-deficient organs.
5. Majesty’s Flex Wafers Equine Joint Support Supplements – Palatability
- Brand: Majesty’s
- Palatability
- Product Questions/Answers
- Product Reviews
- Price: Check Price
Majesty’s Equine Flex Wafers are composed of the highest quality ingredients available and are made in the USA. They contain five superior support supplements for horses: MSM, MSM powder, MSM powder with probiotics, MSM with Methylsulfonylmethane (MSM-SEM), and apple sauce. The high quality ingredients in Flex Wafers make them a very palatable supplement that horses will easily eat without waste!
These wafers are a top-loaded supplement to help support and lubricate joints in horses. They are rich in multiple joint support nutrients, including chondroitin sulfate, glucosamine hydrochloride and MSM. They also include oats and applesauce to act as a binder that holds the ingredients together. The wafer can be broken into smaller pieces that are easier for horses to eat and more palatable than powder or liquid supplements. These wafers are made in the USA by themselves and will make you proud to know you are supporting your horse’s health with USA made products!
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Buyer’s Guide
- Make sure the horse supplement is FDA-approved for use in horses.
- Make sure the horse supplement will not cause any harm to your horse.
- Make sure the horse supplement is free of unwanted additives.
- Speed of absorption — how long does it take for the supplement to be absorbed into the horse’s system?
- Look for a product with no ingredients that have been banned in the past such as strychnine.
- Look for a product that is an all-in-one supplement for the entire horse.
- Do not buy from a brand that does not clearly state what its ingredients are.
- Look for a brand that has a guarantee — this is a must.