Why Choose SeaPet?AtSeaPet,we are very pleased and proud to be able to provide products that can help to lengthen and improve the quality of time that you have with your pets.The original Sea Pet products were…AtSeaPet,we are very pleased and proud to be able to provide products that can help to lengthen and improve the quality of time that you have with your pets.The original Sea Pet products were developed by Carder Starr (BA in Geological Sciences, Brown University and M.M.A., University of Rhode Island) in association with notable veterinarians. Carter always had a love for the oceans and believed that many substances and products in the oceans that can help human beings and their companion pets live healthier lives. And that’s how Sea Pet continues today.We are strong advocates for the sustainable and responsible harvests of oceanic resources and believe that these resources provide much needed aid to pets and animals suffering from the pain of joint stiffness and joint cartilage deterioration.The horse owners that choose to work with SeaPetjust don’t want to go anywhere else! Our ingredients are top of the line and all in the right dosage to make a real difference to your horse!Read MoreWhat Are “Essential Fatty Acids” and How Can They Help My Horse?Essential Fatty Acids are the “good fats” and “healing fats” are the fats that we must obtain in order to be healthy. The key components of healing fats are the essential fatty acids. There are…Essential Fatty Acids are the “good fats” and “healing fats” are the fats that we must obtain in order to be healthy. The key components of healing fats are the essential fatty acids. There are several different families of fatty acids but only two of these families are considered essential because the body must have them, but cannot make them. Essential fatty acids (EFAs) must come from foods. EFAs play a critical role in the proper functioning of almost all of the major systems in the body. EPA (from fish oil) also converts to series 3 prostaglandins, which have many benefits. Series 3 prostaglandins regulate inflammatory responses (Skin and Joint). They regulate immune function, which can help in fighting disease more effectively. They regulate platelet stickiness and arterial muscle tone, which helps to regulate blood pressure.Read MoreWhat Are The Ingredients and What Nutritional Value Do They Contain?

The ingredients are extremely pure: Fish oil (sardines and/or anchovies) and peppermint oil for added flavor.

What Are The Ingredients?

They are pure and they are extremely effective! We know what is riding on your horse’s legs and joints and Sea Pet offers tremendous results.

Omega Fish Oils by

Omega Fish Oils by SeaPet 2 Great Products by SeaPet: SeaPet Gold Omega 3 Fish

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Reviewed by Ann Pruitt, InfoHorse.com · Updated May 2026

SeaPet Omega 3 Fish Oil 600 peppermint flavor with natural Vitamin E for horses bottle

Omega Fish Oils by SeaPet
_{2 Great Products by SeaPet: SeaPet Gold Omega 3 Fish Oil and SeaPet Super Joint Formula with over 5000 mg of Shark Cartilage}

About OurOMEGA 3 FISH OilFor Horses In DeliciousPeppermintFlavor!

SeaPet Gold Omega 3 Fish Oil Concentrateis a highly concentrated form of the essential fatty acids from fish oils – (sardines and/or anchovies) with peppermint oil.It is the OMEGA 3 fatty acids that help to counter inflammation in your horse’s body!Sea Pet Omega 3 Fish Oil provides the biologically-available forms of the omega 3 essential fatty acids. Omega 3 fish oils are naturally in the biologically-available forms of EPA (Eicosapentaenoic Acid) and DHA (Docosahexaenoic Acid). These are necessary and essential fatty acids for your horse. Research has shown that EPA helps to maintain healthy joint functions by reducing the activity of enzymes that damage the joint cartilage.

Each Tablespoon provides approximately 4,500 mg EPA and 3,000 mg of DHA! You should start to see health benefits within your horse in 2-3 weeks.

*Smaller horses under 900 pounds, 2 teaspoons daily

*Horses over 900 pounds 1 Tablespoon daily

About Our Super Joint Formula POWDERFor Horses

Seapet Super Joint Formula Powderis and easy to use powder providing MSM, Glucosamine and Shark cartilage with additional glucosamine sulfate and:

provides top nutrients for healthy joint cartilage in one easy-to-use super formula powder.

includes 10,000mg of MSM, a nutritional supplement that provides biologically active sulphur, a key component of connective tissue in animals and humans.

includes shark cartilage, a natural, whole food source of glucosamine, chondroitin sulfate and angiogenesis-inhibiting proteins.

provides the combination of MSM and glucosamine found to be much more effective when administered “jointly.”

contains approximately 5,000 mg of shark cartilage with an additional 2500 mg of glucosamine sulfate (in addition the naturally occurring glucosamine in shark cartilage) per serving.

Ingredients:

* Shark cartilage 5000 mg

* MSM 10,000 mg,

* 2500 mg, Glucosamine sulfate and organic oat bran.

What Benefits Does Shark Cartilage Offer?

Shark cartilageis one of the hottest and most controversial topics debated in medical circles today. Although its mode of action is accepted by established medical principles, the mechanism, or combination of elements responsible for triggering that action, remains a mystery.

Highly touted for its alleged cancer-fighting abilities (and currently under clinical trials by the Food and Drug Administration [FDA] on terminally ill cancer patients in new Jersey), this natural nontoxic substance is now becoming widely accepted as an effective means for treating less fatal degenerative diseases such as osteoarthritis and rheumatoid arthritis.

Phenomenal” is how Robert C. Greenburgh, B. S. , D. C. , E. A. S. A. , describes the results he has seen from approximately sixty-five arthritis patients who have used, and continue to use, shark cartilage therapy under his care. Greenburgh explains, “When you have arthritis, you have inflammation; you have vascularity and the creation of new blood vessels. Shark cartilage must be the number one choice with inflammation …. it’s definitely cutting edge.

* 1000 pound horse 1/4 Cup

(Modify as needed for smaller or larger horses)

Once You TRY Sea Pet— You Will See Why Our Clients Become “Family”… They Never Go Anywhere Else!

When it comes to the health, well being and performance of your horse, it is so important to put the right ingredients into your beloved equine to help him or her to obtain and maintain their optimal health and ability to perform.SeaPethas taken the guess work out of the “which supplement?” question. The 2 products we offer your horse are outstanding and will help to improve their health and longevity for years to come.Call us today— tell us about your horse and let us help you.

SeaPet Omega 3 Fish Oil 600 peppermint flavor with natural Vitamin E for horses bottle
Who makes SeaPet horse supplements?
SeaPet Animal Health MFG was founded in 1996 by Carder Starr, who holds a B.A. in Geological Sciences from Brown University and an M.M.A. from the University of Rhode Island. The brand grew directly out of his research into the beneficial effects of shark cartilage, beginning with a dog treat built around a proprietary shark-cartilage blend. From that single product, SeaPet developed its full line of supplements for cats, dogs, and horses, guided by a founding belief that responsibly harvested ocean resources can help companion animals live healthier, more comfortable lives.

SeaPet Omega 3 Fish Oil Concentrate for horses 16 oz product group
What is in SeaPet Super Joint Formula?
The Super Joint Formula Powder for Horses combines shark cartilage, MSM, glucosamine sulfate, and organic oat bran into a single feed-through supplement. Each quarter-cup serving delivers 10,000 mg of MSM, 5,000 mg of shark cartilage, and an additional 2,500 mg of glucosamine sulfate. The shark cartilage itself is a natural, whole-food source of both chondroitin and glucosamine, while MSM supplies the biologically active sulfur that cartilage and connective tissue depend on.

SeaPet Super Joint Formula Powder for horses 5 lb container with shark cartilage and MSM
How does the joint formula support cartilage?
SeaPet pairs glucosamine, the basic building block of connective tissue, with chondroitin, which keeps cartilage elastic by attracting and holding water. The brand notes that glucosamine and MSM are far more effective when fed jointly, and cites a 2014 study finding MSM effective for pain reduction and improved joint function in horses diagnosed with osteoarthritis. For a 1,000 lb horse, SeaPet recommends a loading dose of one-quarter cup twice daily, then one-quarter cup daily for maintenance, with most owners seeing results in two to three weeks.

SeaPet Omega 3 Fish Oil peppermint flavor for horses bottle
What makes SeaPet Omega 3 Fish Oil different?
SeaPet Gold Omega 3 Fish Oil delivers EPA and DHA in their biologically available forms, the same essential fatty acids that research links to healthy joint function by helping reduce cartilage-damaging enzymes. The peppermint-flavored "600" formula provides 2,325 mg of EPA, 1,545 mg of DHA, and 600 IU of natural Vitamin E per tablespoon, while the higher-strength Omega 3 Concentrate supplies roughly 4,500 mg of EPA (33%) and 3,000 mg of DHA (22%) per tablespoon from molecularly distilled, cold-processed sardine and anchovy oil.
Is the fish oil purity-tested?
SeaPet's concentrated oils are molecularly distilled and cold-processed, then tested for heavy metals, PCBs, furans, dioxins, and other toxins. The company describes itself as a strong advocate for the sustainable and responsible harvest of oceanic resources, and the peppermint flavoring is added specifically because horses find it palatable squirted directly onto daily feed.
How do you buy SeaPet for your horse?
SeaPet products ship directly from seapet.com, with free shipping on orders over $99 and a customer line. The Omega 3 "600" with Natural Vitamin E ranges from $22.99 to $184.99 across bottle sizes, the Omega 3 Concentrate runs $29.75 to $90.00, and the Super Joint Formula Powder is offered in 2.5 lb and 5 lb sizes priced from $58.00 to $99.00, with recurring subscription pricing available on select oils.

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The Solution Section (FAQ)

What products does SeaPet make for horses?

SeaPet offers two horse supplements: SeaPet Gold Omega 3 Fish Oil Concentrate and SeaPet Super Joint Formula Powder. Both are built around marine ingredients to support healthy joints and counter inflammation. The line was developed by Carder Starr in association with veterinarians, drawing on ocean-sourced nutrients.

What is in SeaPet Gold Omega 3 Fish Oil?

It is a highly concentrated fish oil from sardines and/or anchovies, flavored with peppermint oil. Each tablespoon provides approximately 4,500 mg of EPA and 3,000 mg of DHA, the biologically-available omega 3 fatty acids. EPA helps maintain healthy joint function by reducing the activity of enzymes that damage joint cartilage.

How do omega 3 fatty acids help my horse?

Omega 3 essential fatty acids are "good fats" the body needs but cannot make on its own, so they must come from food. In the body, EPA from fish oil converts to series 3 prostaglandins, which regulate inflammatory responses in skin and joints and support immune function. That is why SeaPet's fish oil is positioned to help counter inflammation in your horse's body.

What does SeaPet Super Joint Formula Powder contain?

It is an easy-to-use powder combining MSM, glucosamine, and shark cartilage with added glucosamine sulfate. Each serving (1/4 cup) provides 10,000 mg of MSM, approximately 5,000 mg of shark cartilage, and an additional 2,500 mg of glucosamine sulfate, plus organic oat bran. MSM supplies biologically active sulphur, a key component of connective tissue.

How much SeaPet should I give my horse?

For the Gold Omega 3 Fish Oil: a pony under 500 pounds gets 1 teaspoon daily, smaller horses under 900 pounds get 2 teaspoons daily, and horses over 900 pounds get 1 tablespoon daily. For the Super Joint Formula Powder, a 1,000-pound horse gets 1/4 cup, modified as needed for smaller or larger horses.

How soon will I see results from SeaPet supplements?

SeaPet says you should start to see health benefits in your horse within 2-3 weeks. For the Super Joint Formula, results are normally seen in 2-3 weeks using the loading dose amounts.

How much do SeaPet horse products cost, and is there an autoship discount?

A 16 oz bottle of the Fish Oil is $14.00 at regular price, or $10.99 on the quarterly autoship that ships every 3 months. A 2.5 pound jar of the Super Joint Formula is $58.00 regular, or $46 on the quarterly autoship every 3 months. Larger sizes are available, and SeaPet asks you to call so they can help.

How do I order SeaPet products or ask about my horse?

SeaPet invites you to call and tell them about your horse so they can help you choose between the two products and set up a quarterly autoship if you'd like to save. You can reach them by phone at 800-434-8152, or visit their horse products page at https://seapet.com/product-category/horse-products/ to order online.

Who founded SeaPet and when?

SeaPet Animal Health MFG was founded in 1996 by Carder Starr, who earned a B.A. in Geological Sciences from Brown University and an M.M.A. from the University of Rhode Island. The company began after his research into the beneficial effects of shark cartilage, starting with a dog treat made from a proprietary shark-cartilage blend. Positive customer response led him to expand into a full supplement line for cats, dogs, and horses.

What are SeaPet's two flagship horse products?

SeaPet's two best-known horse products are the SeaPet Gold Omega 3 Fish Oil and the SeaPet Super Joint Formula Powder. The Omega 3 oils deliver EPA and DHA essential fatty acids, while the Super Joint Formula combines shark cartilage, MSM, and glucosamine for joint support. Both are designed to be fed directly with a horse's daily ration.

How much shark cartilage is in the Super Joint Formula?

Each quarter-cup serving of SeaPet Super Joint Formula Powder contains 5,000 mg of shark cartilage. The shark cartilage is included as a natural, whole-food source of both chondroitin and glucosamine. SeaPet uses ocean-sourced ingredients that the company says are harvested sustainably and responsibly.

What else is in the Super Joint Formula besides shark cartilage?

In addition to 5,000 mg of shark cartilage, each quarter-cup serving provides 10,000 mg of MSM and 2,500 mg of glucosamine sulfate, blended with organic oat bran as the carrier. MSM supplies biologically active sulfur, a component of cartilage and connective tissue. Glucosamine is the basic building block of connective tissue, including cartilage.

How do you dose the Super Joint Formula for a 1,000 lb horse?

SeaPet recommends a loading phase of one-quarter cup twice daily, then a maintenance dose of one-quarter cup once daily for a 1,000 lb horse. Most owners report visible results in about two to three weeks. The powder mixes easily into the horse's normal feed.

What is the EPA and DHA content of the Omega 3 '600' for horses?

Each tablespoon of SeaPet Omega 3 Fish Oil '600' with Natural Vitamin E provides 2,325 mg of EPA, 1,545 mg of DHA, and 600 IU of natural Vitamin E. EPA and DHA are supplied in their biologically available forms. Results are typically seen within two to three weeks.

How is the Omega 3 Concentrate different from the '600' oil?

The Omega 3 Fish Oil Concentrate is a higher-strength formula, supplying roughly 4,500 mg of EPA (33%) and 3,000 mg of DHA (22%) per tablespoon, compared with 2,325 mg EPA and 1,545 mg DHA in the '600.' The Concentrate is made from molecularly distilled, cold-processed fish oil from sardines and/or anchovies with peppermint oil. The '600' adds 600 IU of natural Vitamin E per serving.

What fish are SeaPet's omega oils made from?

SeaPet's Omega 3 Fish Oil Concentrate is made from sardines and/or anchovies, combined with peppermint oil. These small, short-lived fish are commonly used in premium fish-oil products because they accumulate fewer contaminants. The oil is molecularly distilled and cold-processed to preserve the omega-3 fatty acids.

Are SeaPet's fish oils tested for contaminants?

Yes. SeaPet's concentrated fish oil is tested for heavy metals, PCBs, furans, dioxins, and other toxins. The oil is molecularly distilled and cold-processed, and the company describes itself as a strong advocate for sustainable, responsible ocean harvests. This purity testing is a key reason horse owners choose the brand for daily supplementation.

How much fish oil should I feed my horse?

For the Omega 3 '600,' SeaPet directs feeding 1 tablespoon (1/2 fl oz) daily for horses under 900 lbs and 2 tablespoons (1 fl oz) for horses over 900 lbs. For the Concentrate, the guidance is 1 to 2 teaspoons for horses under 900 lbs and 1 tablespoon for horses over 900 lbs. In all cases the oil is simply squirted onto the horse's daily feed.

Why is the fish oil peppermint flavored?

SeaPet adds peppermint flavoring because horses find it palatable, which makes daily feeding easier. The peppermint oil is blended directly into the fish oil rather than added as a separate ingredient. This helps ensure horses accept the supplement squirted onto their regular ration without fuss.

How do MSM, glucosamine, and chondroitin work together for joints?

Glucosamine is the basic building block of connective tissue and may slow cartilage breakdown, while chondroitin keeps cartilage elastic by attracting and holding water. MSM provides biologically active sulfur essential to cartilage and connective tissue. SeaPet notes glucosamine and MSM are much more effective when administered jointly, which is why the Super Joint Formula combines all three with shark cartilage.

Is there research behind MSM for horse joints?

SeaPet cites a 2014 study that found MSM effective in pain reduction and in improving joint function in horses diagnosed with osteoarthritis. The brand recommends MSM in the 1,000 to 3,000 mg daily range generally, and its Super Joint Formula delivers a substantial 10,000 mg per quarter-cup serving. EPA from fish oil is also noted to support joint function by helping reduce cartilage-damaging enzymes.

Which horses benefit most from SeaPet joint support?

SeaPet's joint support is aimed at horses experiencing joint pain, effusion, or osteoarthritis, as well as horses that need preventive support before cartilage damage occurs. Older horses, performance horses, and those with stiffness are common candidates. Many owners use both the Super Joint Formula and an omega oil together for combined joint and anti-inflammatory support.

What sizes and prices are SeaPet horse products available in?

The Super Joint Formula Powder comes in 2.5 lb and 5 lb sizes priced from $58.00 to $99.00. The Omega 3 '600' with Natural Vitamin E ranges from $22.99 to $184.99 across bottle sizes, and the Omega 3 Concentrate runs $29.75 to $90.00. Subscription pricing is available on select oils, with some options starting from $19.99 every three months.

How do I order SeaPet products and is shipping free?

SeaPet products are sold directly at seapet.com, and the company offers free shipping on orders over $99. Customers can reach SeaPet by phone at 800-434-8152. Subscription delivery is available on select oils so horse owners can keep their supply on a regular schedule.