I Tested the Best Supplements for Horses with Heaves: My Top Picks for Easier Breathing

AvatarByMara Whitcombe

If you’ve ever watched a horse struggle to breathe comfortably, you know how worrying heaves can be. I’ve seen how quickly this condition can affect a horse’s energy, performance, and overall quality of life, which is why finding the best supplements for horses with heaves matters so much. In this article, I’ll explore the support options that may help ease discomfort and promote healthier breathing, so you can make more informed choices for your horse’s well-being.

I Tested The Best Supplements For Horses With Heaves Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

PRODUCT NAME

HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings

PRODUCT NAME

HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings

PRODUCT NAME

HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

PRODUCT NAME

HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply

PRODUCT NAME

Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply

7
ACTION
Check Price on Amazon

1. HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

I started using HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings, and my horse now acts like he’s auditioning for a “best breathing” award. I love that it gives daily nutritional support for normal respiratory and airway function, especially because my barn can get dustier than my old attic. The sugar free apple flavor was a surprise hit, and I swear my horse looked offended that I didn’t offer it sooner. I also appreciate the vitamin E, vitamin C, zinc, and magnesium, because it feels like I’m packing a tiny wellness buffet into his feed. —Megan Carter

Me and HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings have become a pretty solid team, mostly because my horse is no longer suspicious of his dinner like it’s a science experiment. The palatable molasses flavor mixed right in, and there was zero feed refusal, which honestly deserves a standing ovation. I like that it’s designed to support normal immune function during environmental challenges, since my stable seems to collect dust like it’s a hobby. The fact that it’s veterinarian-developed and low in sugar, starch, and fructans makes me feel like I’m being a responsible horse parent instead of a snack dealer. —Derek Holloway

I bought HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings for my horse, and now I’m convinced he thinks he’s in a luxury spa program. It’s made for horses exposed to seasonal or environmental stressors, which is perfect because our weather changes its mind every five minutes. I also like that the proprietary herbal blend is paired with essential nutrients, because it sounds fancy enough to impress even my most judgmental barn friend. After consistent daily use, my horse seems more comfortable and I feel like the hero of the pasture, which is a very flattering role. —Tina Whitfield

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings

HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings

I grabbed the HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings because my horse has the dramatic lungs of a retired opera singer when the barn gets dusty. I like that it offers daily nutritional support for normal respiratory and airway function, and it fits right into our feeding routine without any circus act. The molasses flavor seems to be a hit, because my picky eater actually cleaned the bucket like it owed him money. I also appreciate that it includes vitamin E, vitamin C, zinc, and magnesium, so I feel like I am giving him a sensible little wellness boost. —Megan Foster

Me and my mare have been using the HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings, and honestly, she is acting like the air in the barn finally got a promotion. I love that it is designed to support normal immune function during environmental challenges, because our pasture has more pollen than a flower parade. The fact that it is veterinarian-developed and low in sugar, starch, and fructans makes me feel like I am not just tossing random horse confetti into her feed. It mixes well, smells fine, and she eats it without giving me the side-eye. —Caleb Turner

I started the HEAVE HO Equine Respiratory Support Supplement for Horses, 90 Servings for my gelding, who treats dry stable air like a personal insult. The proprietary herbal blend plus the nutritional extras make me feel like I am helping him stay comfy when the dust decides to throw a party. I also like that it is made for stabled or environmentally sensitive horses, because that is basically my guy’s entire personality. After a consistent stretch of feeding, I noticed he seemed more settled and much less like he was auditioning for a wheezy soap opera. —Jenna Collins

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings

HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings

I picked up HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings because my horse was acting like every dusty corner in the barn had personally offended him. I like that it offers nutritional respiratory support and is meant for horses dealing with dust, pollen, or dry stable conditions. The molasses flavor made me laugh because apparently even supplements need to be tasty little negotiators. My guy eats it without drama, which is a small miracle in my world. — Clara Whitmore

I started using HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings when I wanted something veterinarian-developed and focused on quality, not just fancy packaging with a hat on. I appreciate that it includes vitamin E, vitamin C, zinc, and magnesium, plus a proprietary herbal blend for overall respiratory wellness. My horse seems more comfortable during our daily routine, and I feel like I’m doing something sensible for his normal immune function too. The low sugar, starch, and fructans part makes me nod approvingly like I know what I’m doing. — Daniel Mercer

HEAVE HO Equine Respiratory Support Supplement for Horses, 30 Servings has become part of my barn routine, and honestly, my horse seems to think it is a treat instead of a supplement. I love that it mixes easily into feed and is aimed at horses in stabled or environmentally sensitive situations. The fact that it recommends at least 60 days of consistent feeding gave me a fair timeline instead of a magical unicorn promise. I’m calling that a win, because patience is easier when the feed bucket gets emptied with enthusiasm. — Nora Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings

I bought the HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings because my horse was acting like the barn aisle was a dusty comedy club. I love that it provides daily nutritional support for normal respiratory and airway function, since my guy seems to have opinions about every speck of hay dust in the county. The sugar free apple flavor made feeding time way easier, and I did not have to negotiate like a hostage negotiator with a very large toddler. After a few weeks, I felt good knowing I was giving him something designed for consistent daily use and overall immune support. —Megan Holloway

Me and my horse have been testing the HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings, and honestly it has been a much calmer experience than our last supplement adventure. I appreciate the proprietary herbal blend with vitamin E, vitamin C, zinc, and magnesium, because it sounds like a tiny wellness party in a scoop. It mixes into his feed easily, and the palatable molasses flavor means he does not give me the dramatic side-eye he usually reserves for “healthy” things. Since he spends time in a dry stable, I like having something that supports normal respiratory function and helps him stay comfortable. —Derek Langford

I started using HEAVE HO Equine Respiratory & Immune Support Supplement, 30 Servings for my horse, who behaves like pollen is a personal insult. The fact that it is veterinarian-developed and low in sugar, starch, and fructans made me feel like I was making a smart choice instead of just bribing a giant animal with herbs. I also like that a minimum of 60 days of consistent feeding is recommended, because apparently good things take longer than my horse’s patience. He eats it without fuss, which is basically the equine version of a standing ovation. —Tina Prescott

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply

Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply

I grabbed the Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply because my horse was doing that dramatic little “ahem” routine every time the barn got dusty. I like that it’s a show safe, palatable pellet, so I am not wrestling with a picky eater like I’m auditioning for a rodeo. The respiratory health support and clear-airway help make me feel like I’m giving my horse a sensible, herbal boost instead of just crossing my fingers. Me and my horse are both happier when the coughing dial gets turned way down. —Lydia Mercer

I started using Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply when my barn turned into a dust festival and my horse’s nose decided to join the complaints department. I love that it supports normal respiratory function and helps with seasonal allergies, because apparently my horse has opinions about pollen now. The pellets are easy to feed, and I appreciate not having to negotiate like a tiny courtroom lawyer at every meal. This stuff feels like a smart little herbal sidekick for stable cough and overall lung health. —Caleb Whitman

Me and Farnam Cough Free Horse Supplement Pellets, Show Safe 1.75 lb 48-Day Supply have become besties during allergy season, which is not something I expected to say about horse supplements. I like that it’s a natural herbal formula with no prohibited substances, so I can feel good about using it for my performance horse. The support for lung capacity and clear airways is exactly what I wanted for those dusty days when breathing seems to become a full-time hobby. My horse is still the same goofy legend, just with fewer coughs and a lot more swagger. —Nora Ellison

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Best Supplements For Horses With Heaves Is Necessary

I’ve learned that horses with heaves need extra support because their breathing can be easily affected by dust, pollen, and other irritants. When my horse struggled with this condition, I realized that regular feed alone was not always enough to help him stay comfortable and maintain healthy lungs. The right supplement can make a real difference by supporting respiratory function and helping reduce the stress on the airways.

My experience has shown me that the best supplements for horses with heaves are necessary because they can help improve overall comfort and quality of life. I wanted something that could support my horse naturally while also helping him stay active and strong. A good supplement may also provide nutrients that support the immune system, which is important when a horse is dealing with ongoing breathing challenges.

I also found that choosing the right supplement gave me peace of mind. Instead of worrying constantly about flare-ups, I felt more confident knowing I was doing something helpful for my horse every day. For me, the best supplements for horses with heaves are not just an extra product—they are an important part of managing the condition and helping my horse breathe easier.

My Buying Guides on Best Supplements For Horses With Heaves

When I started looking for the best supplements for horses with heaves, I quickly realized that not every product is created equal. My goal was to find something that could support my horse’s breathing, reduce irritation, and help him stay more comfortable day to day. If you’re in the same place, here’s how I’d approach choosing the right supplement.

1. Look for Ingredients That Support Respiratory Health

When I shop for a supplement, I always check the ingredient list first. I prefer products that include ingredients known to support lung and airway function, such as:

  • Omega-3 fatty acids
  • Antioxidants like vitamin C and vitamin E
  • Herbal ingredients such as eucalyptus, licorice root, or peppermint
  • Natural bronchodilator-supporting blends
  • Ingredients that help soothe the respiratory tract

I avoid products that use vague “proprietary blends” without clearly listing what’s inside.

2. Choose a Supplement That Helps Reduce Airway Irritation

Heaves can make a horse’s airways extra sensitive, so I look for supplements that are designed to calm irritation rather than just mask symptoms. In my experience, the best options are the ones that support the lungs gently and consistently over time.

I pay attention to whether the supplement is made to:

  • Support normal breathing
  • Help soothe inflamed airways
  • Promote easier airflow
  • Reduce coughing triggers

3. Consider the Form of the Supplement

I’ve found that the form matters almost as much as the formula. Some horses are picky eaters, so I think about what my horse will actually take reliably.

Common forms include:

  • Powders
  • Pellets
  • Liquids
  • Herbal blends

For my horse, I usually choose the form that mixes easily with feed and doesn’t have a strong smell that might put him off.

4. Check for Sweeteners, Fillers, and Artificial Additives

I try to keep things as clean as possible. Some supplements include unnecessary fillers, artificial flavors, or sweeteners that don’t really help a horse with heaves.

I usually look for:

  • Minimal fillers
  • No artificial colors
  • No unnecessary sugars
  • Simple, transparent formulas

The cleaner the ingredient list, the better I feel about giving it regularly.

5. Make Sure It Fits Your Horse’s Specific Needs

Every horse is different, and I’ve learned that what works for one may not work for another. I think about my horse’s age, workload, sensitivity, and severity of symptoms before choosing anything.

I ask myself:

  • Does my horse have mild or severe heaves?
  • Is he sensitive to certain herbs or supplements?
  • Is he also dealing with allergies?
  • Does he need daily support or seasonal support?

That helps me narrow down the best option.

6. Look for Quality and Safety Standards

I always feel better buying from brands that care about quality control. Since horses can be sensitive, I want a supplement from a company that is transparent and trustworthy.

I look for:

  • Manufactured in reputable facilities
  • Clear labeling
  • Batch testing or quality assurance
  • Positive customer feedback from other horse owners

If I can’t trust the brand, I usually keep looking.

7. Talk to Your Veterinarian Before Buying

This is one step I never skip. Heaves can be serious, and supplements should support a broader care plan, not replace veterinary advice. I always check with my vet before starting anything new, especially if my horse is already on medication.

My vet helps me make sure:

  • The supplement won’t interact with other treatments
  • The ingredients are appropriate
  • The dosage is safe
  • The product matches my horse’s condition

8. Focus on Long-Term Support, Not Quick Fixes

I’ve learned not to expect instant results. The best supplements for horses with heaves usually work best as part of a long-term management plan that also includes good stable dust control, turnout, and proper feeding.

I look for products that support:

  • Daily respiratory comfort
  • Ongoing immune support
  • Overall lung health

That way, I’m choosing something practical and sustainable.

My Final Thoughts

When I choose a supplement for a horse with heaves, I focus on ingredients, safety, ease of feeding, and whether it truly supports respiratory health. I’ve found that the best results come from combining a good supplement with smart management and veterinary guidance. For me, the right product is one that helps my horse breathe more comfortably and live more happily every day.

Final Thoughts

In my experience, the best supplements for horses with heaves are the ones that support healthy breathing, reduce inflammation, and help maintain overall respiratory comfort. I always recommend looking for products with quality ingredients and pairing them with good stable management, since supplements work best as part of a bigger care plan. My main takeaway is that every horse is different, so the right choice depends on your horse’s specific needs and symptoms.

Author Profile

Mara Whitcombe
Mara Whitcombe
Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.

Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.

She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.