Flaxseed Supplements for Horses

Jessica McDaniel
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Your Ultimate Guide!

Flaxseed supplements for horses? Honestly, that’s about as likely as horse “supplements” for humans! But it’s probably a lot more common than you are thinking.

Before you think about flaxseed supplements for horses, there are a few things you should know.

First are quality flax seed for horses nutrients? Can horses actually benefit from flaxseed oil? What form of flaxseed supplementation is best for horses?

All these questions and more are discussed in full detail inside this report.

Horse Guard FlaxenBest OverallHorse Guard Flaxen
AniMed FSO Flax Seed OilBudget PickAniMed FSO Flax Seed Oil
First Companion Flaxseed Oil Omega 3 & 6 Fatty Acid Supplement Horse Equine 1 GallonUpgrade PickFirst Companion Flaxseed Oil Omega 3 & 6 Fatty Acid Supplement Horse Equine 1 Gallon

1. Horse Guard Flaxen

Our rating: 9 / 10

Horse Guard Flaxen

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  • Easy to feed, no mixing necessary
  • Very palatable
  • Supports coats and hooves

Our research shows that horse supplement flaxseed is a great way to protect your horse against almost any problem that is preventing them from being in a top shape. Horse Guard Flaxen-Flow has been particularly designed for horses, so you can be sure that their delicate systems will benefit from its rich content.

This is a natural source of linseed oil, which provides a constant supply of omega-3 fatty acids. They will benefit from better skin, increased coat strength, good hooves, strong immunity and overall better health.

This horse supplement is very easy to administer. Just mix it with the horse’s usual feed and watch it dissolve. Since you usually mix it together with feed, your horse will never know the difference. It’s probably the easiest supplement you’ll ever have to administer.

2. Manna Pro Simply Flax

Our rating: 9 / 10

Manna Pro Simply Flax

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  • Easy to feed
  • Made with high-quality ingredients
  • Excellent price
  • Horses seem to love the flavor and texture of it
  • Grown in the U S A
  • Super concentrated to preserve fat content
  • This supplement provides the omegas that the horse needs to stay healthy and to balance out the feed they have been eating. When the diet is then shifted to more grain, the animal will not have problems with colic or laminitis during the conversion.
  • The flaxseed is grown organically in the USA and the milling and processing is done in the USA as well. This is important because these steps are all done in a manner that will best preserve the fatty acids that the horse needs.
  • An important part of dealing with horses is to be able to allow them to spend as much time out in the pasture as possible. This helps to keep them healthy and is also a good way to make sure that they are getting adequate exercise.
  • Flaxseed is an excellent source of fat and other nutrients. These nutrients are important for the horse as they serve to fuel their brain and also act as a source of hormones, energy, and fatty acids that they need to convert their feed into energy and to help their skin retain moisture.

3. UltraCruz Flax Oil Blend Supplement

Our rating: 9 / 10

UltraCruz Flax Oil Blend Supplement

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  • Uses cold press processing with no harmful chemicals; gluten free
  • The additive-free ingredients make this a safer alternative for your horse
  • Excellent source of Omega 3 fatty acids
  • A great choice for shows because it’s easy on the stomach
  • Gives a nice shine to its coat
  • Supports healthy joints and shiny coat while improving digestion and immune system
  • Has the odor of freshly mowed grass


  • Tends to get sticky
  • Needs to be mixed with water or feed
  • Can be costly for larger animals
  • Need to be refrigerated
  • Too much can lead to diarrhea

If you’re looking for a premium flax seed oil supplement for horses, this is definitely one of the best. It’s non-GMO, gluten-free, additive free while being rich in omega fatty acids.

The formula is also infused with a special vitamin blend, probiotics and a prebiotic to help support the immune health of your horse.

4. Wholistic Pet Organics Supplement

Our rating: 8 / 10

Wholistic Pet Organics Supplement

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If you’re searching for the best organic flaxseed supplement for your horse, then this one from Whole Pet Organics is an excellent choice. It’s available in three sizes and it’s made with only all-natural ingredients.

Omega-3 is a type of serum that you can find in fish oil. This ingredient can help your horse with its overall brain and vision development. It’s also excellent for your horse’s joints, hair and skin.

Avocado oil is used as the solution for the Omega-3 and it’s a fantastic source of antioxidants, vitamins, and minerals. Plus, avocados provide your horse with a healthy dose of carbohydrates, fiber, and protein.

5. Horse Guard Glow 10 lb

Our rating: 8 / 10

Horse Guard Glow 10 lb

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  • Formulated for horses
  • Aids in hoof and skin health
  • Great for joint health
  • Feeds a 10,000 pound horse for a month
  • 10-pound bag
  • 10.1-pound bag
  • 30,000 mg of Omega-3
  • Rich in Omega-3, fiber, protein, and minerals
  • Good for weight gain and hair/skin/coat
  • Offered at great prices


  • A little on the expensive side
  • Only sold in 1 and 10-pound bags

Horse Guard Glow, a horse supplement from Purina, is a great choice for horses suffering from digestive issues, joint problems, or skin and hair issues.

It’s made to boost the immune system and help fight off seasonal ailments that can infect the entire herd, which is pretty efficient and recommended by vets across the U.S.

It’s also a great horse supplement for adding weight and increasing coat shine and strength.

6. AniMed FSO Flax Seed Oil

Our rating: 7 / 10

AniMed FSO Flax Seed Oil

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  • Animed FSO (“flaxseed oil”) is made with the highest quality flax oil and carageenan (polysaccharide extracted from red algae), combining these two ingredients to produce a liquid supplement that is overall low-fat and calorie rich.

Flaxseed Oil AniMed is also rich in “omega-3 fatty acids,” and specifically the two most important varieties: “alpha-linolenic acid” and “linolenic acid.”

Together, 67% of this product is made from what is considered one of nature’s most essential liquid nutrients: “omega-3 fatty acids.”

7. First Companion Flaxseed Oil Omega 3 & 6 Fatty Acid Supplement Horse Equine 1 Gallon

Our rating: 5 / 10

First Companion Flaxseed Oil Omega 3 & 6 Fatty Acid Supplement Horse Equine 1 Gallon

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  • Mixes best when lightly refrigerated
  • Improves coat shine and reduces dandruff
  • Reduces inflammation
  • Contributes to improving heart and joint health


  • This supplement smells which can be too strong for some horses
  • Some horses would get quite the upset stomach if they ate the whole quart at once
  • There are other similar flaxseed supplements that are cost-effective

The Flaxseed Supplement from First Companion is a fantastic choice for horse owners who want to start enriching their horse’s diet with flaxseed. Simply mix it into their grain ration (soaked, if possible) for best results.

Flaxseed is very nutritious and flaxseed oil is packed with omega-3 fatty acids. Its rich in lignans and phytonutrients, which help reduce inflammation and improve your horse’s general health.

According to owners, this supplement is very potent and it’s best to only give a few tbsp. to your horses at once. Mix it into their grain for best absorption.

Frequently Asked Questions (FAQ)

How much flaxseed should I give my horse?

Horses tolerate flaxseed very well. An average horse may need one to two ounces of flaxseed daily. Give this amount in pieces per day. It’s best to cut flaxseed into the size of barley so horse can chew them with ease.

What does flaxseed do for horses?

Flaxseed contains essential fatty acids, which benefit the horse both nutritionally and health wise. Flaxseed can be a good alternative to corn in horses.

The fatty acids are good for a horse’s skin, coat, hooves, and hair. They aid in digestion and absorption of vital nutrients and vitamins like digestion and absorption of vital nutrients and vitamins like Selenium, Phosphorus, Carotene, and Copper. They also help convert the fat soluble Vitamins A and E into their usable forms.

Flaxseed oil also helps to maintain the elasticity of skin, hair, hooves, and tendons. It also aids in maintaining an effective immune system in the horse.

It helps the horse maintain healthy arteries and veins. It prevents the development of varicose veins and (swollen) legs that are common in horses.

Can horses have flaxseed oil?

No, it’s unsafe for them. It would make them ill.

Flaxseed, on the other hand, is considered a healthy supplement for horses. Flaxseed should be fed to horses in moderation though, as too much can cause weight gain.

It’s extremely important to always keep flaxseed stored in a cool, dry place. It’s also a good idea to freeze it in ice cube trays for around three months each year to make sure it stays fresh. Then you can thaw it, and it’ll keep for about a year.

Does flaxseed help with memory?

Flaxseed contains an omega-3 fatty acid known as eicosapentaenoic acid (EPA). This fatty acid has been shown to help improve memory through the following:

Supports neurotransmitters responsible for memory, learning, and concentration.

Improves the brain’s need and ability to synthesize acetylcholine.

Support the dilation of blood vessels which improves oxygen and blood flow to the brain.

Stimulates a brain chemical called BDNF (Brain-Derived Neurotrophic Factor) which repairs and nurtures neurons.


The undisputed king of superfoods, it’s a good idea to supplement our horse’s diet with some of this beneficial whole food source of healthy omega-3 fatty acids.

The best flaxseed supplement on the market is 100% organic and contains no preservatives, sugars or other unnecessary chemicals.

There are a few essentials you should look for, which we will discuss in detail below.

You should start out with a high-quality organic brand with a reputable name.

Our Recommendation

Horse Guard FlaxenBest OverallHorse Guard Flaxen
AniMed FSO Flax Seed OilBudget PickAniMed FSO Flax Seed Oil
First Companion Flaxseed Oil Omega 3 & 6 Fatty Acid Supplement Horse Equine 1 GallonUpgrade PickFirst Companion Flaxseed Oil Omega 3 & 6 Fatty Acid Supplement Horse Equine 1 Gallon