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The 8 Best magnesium supplement for horses of 2024

Are you trying to find magnesium supplement for horses among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling magnesium supplement for horses on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 17 hours of research and did 49 magnesium supplement for horses tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best magnesium supplement for horses you can buy today

No. 1
MVP Magnesium 5,000 (10lb) Calming/Metabolism/Muscle Function Support for Horses
  • Med-Vet Pharmaceuticals
  • Supports normal muscle function
  • Supports glucose metabolism
  • Aids with anxious/nervous behavior
  • Supports immune system function
SaleNo. 3
Formula 707 Calming Equine Supplement 5LB Bucket – Anxiety Relief and Enhanced Focus for Horses – L-Tryptophan, Thiamine & Magnesium
  • ANXIETY RELIEF - Designed to help nervous and/or excitable horses relax and improve their ability to concentrate on work and training
  • ENHANCED FOCUS - Formulated with complete support to help your horse achieve a balanced central nervous system
  • SHOW SAFE - This product is not a sedative, and is completely show-safe for use before and during competition in all major federations
  • THREE POWERFUL INGREDIENTS - L-Tryptophan aids serotonin delivery and can decrease anxiety; Thiamine (B1) addresses nutritional deficiencies and metabolic processes; Magnesium supports calm, relaxed muscles
  • MADE IN THE USA - All our products are manufactured in our own facility in Colorado, since 1946
No. 4
Quiessence (Small-5 Pound)
  • Foxden Equine
  • First and best Magnesium/Chromium product on the market for more than 20 years
  • Supports normal glucose metabolism for horses with IR, Cushings or other metabolic issues
  • Supports calm, balanced behavior and helps relax muscles
  • Palatable pellet with banana flavoring
No. 5
Quiessence (Large-14 lbs)
132 Consomer Reviews
Quiessence (Large-14 lbs)
  • Foxden Equine
  • First and best Magnesium/Chromium product on the market for more than 20 years
  • Supports normal glucose metabolism for horses with IR, Cushings or other metabolic issues
  • Supports calm, balanced behavior and helps relax muscles
  • Palatable pellet with banana flavoring
No. 7
Magnesium 5,000 (40lb) Calming/Metabolism/Muscle Function Support for Horses
  • 40 lbs - 320 servings (Pellets)
  • Supports Anxious Behavior
  • Support Glucose Metabolism
  • Supports Muscle Function
  • NASC Quality Guaranteed
No. 8
Pennwoods Organic Essential Mag, Magnesium for Horses Supplement, Aids in Glucose Metabolism, Reducing Stress and Provides Calm for Your Horse, 5 LB Bag
1 Consomer Reviews
Pennwoods Organic Essential Mag, Magnesium for Horses Supplement, Aids in Glucose Metabolism, Reducing Stress and Provides Calm for Your Horse, 5 LB Bag
  • Pennwoods Organic Essential Mag is a 10% organic magnesium enriched supplement. When fed at 15 grams (enclosed scoop supplies 15 grams) it will provide an additional 1,500 mg of organic magnesium to your horse’s daily diet.
  • Adding Organic Essential magnesium supplement for horses to a horse diet will aid in the metabolism of glucose, reduce cresty necks and uneven fat deposits in horses with metabolic issues.
  • Balances most equine diets that are often deficient in magnesium.
  • Acts as a horse calming supplement so that your calm horse can better handle stress, but does not make them drowsy!
  • Horse Products by Horse People - we are a family owned and operated business that makes premium products in small batches using locally sourced ingredients in our own facility in Centre Hall, Pennsylvania. Pennwoods Equine Products are backed by actual horse owner experience - we have identified challenges of everyday horse owners and spent years developing and testing solutions.
No. 9
MagnaGard Gastric Support Supplement for Horses | Relieves Ulcers, Calming Supplement, Magnesium & Other Vital Minerals | Powder, 6 Pound Bag, 45-Day Supply | by Eagle Equine
  • New 6 pound bag has 50% more than our old 4 pound bag! This is a 45 day supply of MagnaGard Plus powder for horses.
  • Calming Supplement– MagnaGard helps calm high strung horses by soothing the gut so horses feel good and can focus on the task at hand. It is also a good source of magnesium, which is a natural calmer and can help relieve stress.
  • Gastric Ulcer Prevention – MagnaGard is a horse ulcer supplement that can aid in the prevention and treatment of ulcers in horses by buffering excess acid, removing harmful toxins, and providing essential trace minerals.
  • Guard Against Colic – MagnaGard Gastric Support supplement keeps a horse's gastro intestinal tract feeling good and is often used daily to prevent colic in horses. It is effective at preventing and addressing ulcers, diarrhea, colic, and other digestive issues.
  • All Natural and Show Safe – MagnaGard contains all natural ingredients and is show safe (doesn't test). Unlike some ulcer medicine, MagnaGard can be fed continually and provides many benefits in addition to ulcer prevention.
No. 10
MagnaGard Plus Gastric Support Supplement for Horses with Omega 3s | Relieves Ulcers, Calming Supplement, Magnesium & Other Vital Minerals | Powder, 6 Pound Bag, 45-Day Supply | by Eagle Equine
  • New 6 pound bag has 50% more than our old 4 pound bag! This is a 45 day supply of MagnaGard Plus powder for horses.
  • Provides Omega 3s and Vitamin E, helping to promote shiny coats as well as hoof health.
  • Provides vital trace minerals including calcium and magnesium
  • Prevents gastric ulcers, which can lead to high-strung horses. Feeding MagnaGard Plus can help calms and soothe ulcer prone horses.
  • Improves performance by helping horses feel good and giving them vital nutrients.
No. 11
E-Se-Mag (10lb) for Muscle Function & Recovery in Horses
  • 10 lbs - 160 servings
  • Unique Combination
  • Pellets
No. 12
SU-PER CALMplete Calming Horse Supplement - Maintain Calmness & Balanced Behavior - Thiamine, Tryptophan & Magnesium - 4 Pounds, 1 Month Supply (30 Days)
  • HORSE CALMING: SU-PER CALMplete powder is a combination of vitamins, minerals, isolated amino acids, and support nutrients which assist in creating a calming effect in horses that are nervous, excited or stressed.
  • BALANCED BEHAVIOUR: Our horse calmer contains optimum amounts of Thiamine, Tryptophan and Magnesium to help in times of stress or anxiety, especially before competition to support proper behavior and performance.
  • STRESS RELIEF: Horse calmer also contains support nutrients including taurine, glycine, theanine and inositol, which assist with cognitive function and anxiety in all situations, as well as maintain focus in stressful situations or busy events.
  • EASY FEEDING: Equine calming powder is a great choice for daily feeding and for providing a serving the morning of the event.
  • MULITI-USES: In addition to using as a pre-competition calming agent, SU-PER CALMplete can be used when transporting horses or when your horse is exposed to new places, people, or other horses.
SaleNo. 13
Farnam Horse Health Vita E & Selenium Crumbles Horse Vitamin Supplement, Supports optimal muscle health & antioxidant support, 3 lbs., 96 day supply
  • MUSCLE HEALTH: Supports optimum muscle health for horses exerting severe physical effort
  • ANTIOXIDANT SUPPORT: Helps support cell activity and protect cell membranes from free radicals
  • IMMUNE HEALTH: helps support and maintain a strong immune system
  • SUPPORTS PERFORMANCE DEMANDS: Helps keep horses in peak condition
  • KEY INGREDIENTS: Contains balanced levels of vitamin E and selenium that can contribute to the correction of nutrient deficiencies
  • PALATABLE: Easy-to-feed larger crumble for less sorting
SaleNo. 14
Ramard Total Calm & Focus Horse Oral Gel | Magnesium & Calming Supplement for Horse Training & Performance | for Mental Alertness, Energy & Endurance | Horse Show Supplies - 1 oz Syringe (1 Pack)
  • CALM & FOCUS: The ideal solution to help your horse's emotional and behavioral issues. Specifically designed to provide the support your horse needs to stay calm and collected for productive training.
  • STAMINA & ENDURANCE: Support your horse’s performance, energy, and endurance with our specially-formulated blend of calming supplements for horses, which includes Magnesium and Ramisol for horses.
  • SAFE & HEALTHY: Our ingredients are formulated with all-natural and healthy herbs, this horse calming supplement does not contain any banned substances. It may help with their mental alertness.
  • CUTTING-EDGE: Our horse powder supplement features Ramisol, a cutting-edge ingredient that helps minimize the production of cortisol, a stress hormone that can cause changes in horse mood and behavior
  • DIRECTION: Administer (1 syringe) 2 hours before an event or as directed by your veterinarian. Dosage may be increased to 2 syringes for straining events. Can be used for horses and ponies of all ages
SaleNo. 15
Formula 707 Calming Equine Supplement, Daily Fresh Packs – Anxiety Relief and Enhanced Focus for Horses – L-Tryptophan, Thiamine & Magnesium
  • Help nervous horses relax and improve their ability to focus on work and training with COMPLETE support for key central nervous system processes: serotonin, nutrition, and relaxation.
  • L-Tryptophan aids serotonin delivery and can decrease anxiety; Thiamine (B1) addresses nutritional deficiencies and metabolic processes; Magnesium supports calm, relaxed muscles.
  • Accurate, pre-measured packs are convenient and easy to use.
  • Daily Fresh Packs are sealed to keep out oxygen, moisture and sunlight, and are convenient for traveling, events and daily use in your feeding regimen.
  • Formulated and manufactured by John Ewing Company in Colorado, USA, where we've been Helping Horses Succeed Since 1946
No. 16
US Origin Pure Magnesium Citrate Powder (Citrato de Magnesio en polvo), 2 Pounds (32 Ounce), Pure and Filler Free, Relaxation and Nutrient Utilization, Vegan
  • US Origin Magnesium Supplement (Pure Magnesium Citrate Powder and Magnesium Citrate 3300mg Per Serving), 2 Pounds (32 Ounce), Filler Free, No GMOs and Vegan Friendly.
  • Strongly Supports Bone, Muscle Health and Healthier Enzyme Function.
  • No GMOs, No Additives, No Preservatives, No Artificial Colors, No Flavors, No Soy, No Fillers and No Gluten.
  • Scoop included to get the measurement every time. Take it daily with or between meals by adding it to a shake or smoothie, see what the most nutrient dense food on the planet is all about.
  • Powder lover? Take it in powder for higher concentration, quicker absorption, easier on the stomach, and more ways to have fun!
SaleNo. 17
Vita Flex Pro Vision, Focusing and Horse Calming Supplement 1.625 lbs, 26-Day Supply
  • Won't cause drowsiness or affect performance
  • Unique combination of seven active ingredients
  • Excellent for heavy training, performance activities, competition, racing & trailering.
  • Please check your association for testing rules and regulations
  • Mini-pellet formula
No. 18
Quiessence Foxden Equine 3.5 lb Banana Flavored Magnesium Pellets Founder Calming Sore Muscle Supplement
  • Supports calm, balanced behavior in horses
  • Ideal for horses that are hot, tense or nervous or with sore, tight muscles or back
  • Drug free
  • Made in the USA
  • Each 1 oz serving contains 7 gm magnesium oxide, 1 gm magnesium proteinate and 1.25 mg chromium piccolinate.
No. 19
VHR Charley Horses Complete Muscle and Nerve Support Preservative-Free Formula with Potassium, Magnesium and L-Taurine. 120 Vegetarian Capsules.
24 Consomer Reviews
VHR Charley Horses Complete Muscle and Nerve Support Preservative-Free Formula with Potassium, Magnesium and L-Taurine. 120 Vegetarian Capsules.
  • COMPLETE MUSCLE AND NERVE SUPPORT: Potassium, Magnesium and L-Taurine play significant roles in the heart, muscles and nerves of the body. Potassium supports the function of nerve impulses and regulates muscle contractions, heartbeat and reflexes; Magnesium maintains muscle and nerve function and is involved in the contraction and relaxation of muscles; L-Taurine regulates muscle contractions and is vital for the proper function of magnesium and potassium.*
  • PURITY PROMISE: VHR supplements are always made with the purest ingredients and 100% vegetarian capsules. Does NOT contain GMO’s, artificial fillers, binders, coloring, preservatives or Magnesium Stearate.
  • MADE IN THE USA: VHR supplements are manufactured in the USA in a manufacturing facility following strict GMP guidelines.
No. 20
Formula 707 MuscleMx Equine Supplement, 3lb Bucket – Conditioning Support and Muscle Builder for Horses with Lysine, Gamma Oryzanol, Creatine & OKG
50 Consomer Reviews
Formula 707 MuscleMx Equine Supplement, 3lb Bucket – Conditioning Support and Muscle Builder for Horses with Lysine, Gamma Oryzanol, Creatine & OKG
  • Empower your horse's metabolism to build optimum definition and muscle mass.
  • Combines four natural ingredients that synergistically encourage muscle-building metabolic reactions.
  • Lysine, an amino acid, aids in developing muscle-building proteins; Gamma oryzanol encourages weight gain and muscle formation.
  • Creatine helps supply energy to muscle cells by stepping up production of ATP; Ornithine-A-Ketoglutarate (OKG) helps the body bypass metabolic processes that prevent new muscle development.
  • Formulated and manufactured by John Ewing Company in Colorado, USA, where we've been Helping Horses Succeed Since 1946

How to choose a good magnesium supplement for horses

Does the idea of finding a fantastic magnesium supplement for horses make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in magnesium supplement for horses. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top magnesium supplement for horses products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top magnesium supplement for horses on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top magnesium supplement for horses brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top magnesium supplement for horses based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the magnesium supplement for horses were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good magnesium supplement for horses, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your magnesium supplement for horses.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting magnesium supplement for horses for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our magnesium supplement for horses. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what magnesium supplement for horses should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on magnesium supplement for horses.