Intestinal Cleanse for Horses – a Program You Can Implement Immediately
Over four parts, we've understood how the horse's gut works, what warning signs it sends, what mycotoxins do – and what research says about zeolite. Now, let's get practical.
This final part of the series is a practical program. Not a promise, no guarantee of healing. Rather, a structured way to give your horse a real restart for their gut – gently, naturally, thoughtfully.
An intestinal cleanse is not an emergency program. It's a form of attention. You give your horse's body the opportunity to settle, regenerate, and find its balance again.
Zeolite plays a central role in this – but only as part of a whole. Because what truly benefits a horse is more than just a mineral in their feed.
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Who is this gut cleanse suitable for? • Horses with loose manure, dull coats, or recurring colic susceptibility • Horses after antibiotic treatments or prolonged periods of stress • Horses transitioning to new feed or after pasture grazing • Healthy horses for annual support – especially in autumn and spring • Not suitable as a substitute for veterinary treatment in case of acute symptoms |
Before you start: three questions you should ask
A cleanse doesn't start with the first spoon of zeolite. It starts with observation.
1. What is my horse really eating right now?
Hay quality is the most important variable. Moldy, dusty, or mycotoxin-contaminated hay will undermine any cleanse. If you are unsure, change the hay supplier for the cleanse period or have a sample analyzed. Zeolite can bind mycotoxins – but it is always better to address the source than to continuously buffer it.
2. How much exercise does my horse get?
The gut needs exercise. Not high-performance sport – but daily, gentle movement promotes peristalsis, reduces stress, and supports the microbiome. If your horse mostly stands still during the cleanse, the effect will be minimal.
3. Is there a veterinarian I should involve?
For pronounced symptoms – severe weight loss, frequent colic, significant behavioral changes – a veterinary examination before the cleanse is advisable. An intestinal cleanse with zeolite is not a substitute for a diagnosis.

The 8-Week Program
The program is divided into four phases. Each phase has its own goal and an adjusted zeolite dosage. The transitions between phases are fluid – listen to your horse.
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Phase |
Duration |
Daily Dose |
Goal |
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Preparation |
Week 1–2 |
30–40 g |
Acclimatization, initial relief |
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Main Cleanse |
Week 3–6 |
50–60 g |
Active detoxification, mucosal reg. |
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Transition |
Week 7–8 |
30–40 g |
Gentle completion, stabilization |
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Maintenance (optional) |
Ongoing |
20–30 g |
Prophylaxis, microbiome support |
Note: The dosages are guidelines for a medium-sized horse (500–600 kg). Adjust proportionally for smaller or larger animals. More detailed information can be found in the article Feeding Zeolite to Horses – Dosage, Application & Practical Tips on this blog.
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Step 1 Preparation: Laying the Groundwork · Week 1–2 In this phase, it's not about zeolite. It's about creating the conditions under which a cleanse can even work: check hay quality and change if necessary. Check the watering trough – clean, fresh water always accessible. Reduce concentrate feed if possible. Check stable hygiene. And: plan for daily exercise. Zeolite: 30–40 g daily, mixed with feed. Introduce gradually – start with half the dose in the first week. Many horses readily accept zeolite when mixed finely with moist feed or soaked feed. |
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Step 2 Main Cleanse: Detoxification and Regeneration · Week 3–6 The core of the program. In these four weeks, zeolite works actively: it binds mycotoxins, excess acids, ammonia, and harmful substances in the large intestine before they can irritate the mucous membrane. At the same time, the microbiome begins to stabilize. What you might observe during this phase: altered fecal structure, sometimes temporarily softer manure in the first few days (normal, as the gut is working), then increasingly firm, more consistent droppings. Zeolite: 50–60 g daily. Divided into two meals, if possible. Plenty of fresh water is especially important during this phase – zeolite also binds fluid. |
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Step 3 Supportive Measures: What else helps the gut · Parallel to Weeks 1–6 Zeolite is the core – but the gut responds to everything. These measures are not mandatory, but they noticeably enhance the effect. Don't read this as a list of obligations, but as an invitation. |
Roughage without interruption: Never more than 4 hours without hay. The stomach produces acid even when empty.
Psyllium husks: Swelling dietary fibers support water binding in the large intestine and complement the effect of zeolite very well. About 20–30 g daily, soaked.
Apple puree or flaxseed: Mucilage-forming foods additionally protect the intestinal lining. Simple, natural, and well-received by many horses.
Stable hygiene: Ammonia from urine irritates the respiratory tract – and indirectly the gut. Zeolite as bedding binds ammonia in the stable. A supplement many overlook.
Social contact and pasture access: Stress is one of the biggest dysbiosis triggers. What is good for the nervous system is good for the gut.
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Step 4 Withdrawal and Stabilization · Weeks 7–8 Gently taper off. The zeolite dose is reduced back to the preparation level in the last two weeks. This gives the gut time to solidify the new balance without abruptly being left to its own devices. Observe: What is the quality of the feces? How is the coat? How is the mood? These two weeks are also a time for close observation. Zeolite: 30–40 g daily, back to the starting dose. |
After the cleanse: What now?
A gut cleanse is not a one-time project. It's a reset – a fresh start. What comes after determines how long the results last.
Many horse owners switch to a low maintenance dose after a cleanse: 20–30 g of zeolite daily, permanently. Others do one to two cleanses per year, usually in spring and autumn, when the transition to new feed sources puts particular strain on the gut.
There is no right or wrong. There is what you observe in your horse.
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When to repeat a cleanse? • Spring: during the transition to pasture and new hay • Autumn: when the year's hay is stored and the burden increases • After any antibiotic treatment: to support microbiome regeneration • After periods of stress: transport, competition, stable change, illness • If the known warning signs from Part 2 reappear |
A final word to conclude the series
We didn't write this series to show how much we know about zeolite. We wrote it because we believe that horse owners who truly observe make better decisions.
The horse's gut is a marvel. It processes kilos of roughage daily, hosts billions of microorganisms, supplies a 500-kilogram animal with energy – and it does all this so quietly that we usually only notice it when it sends us a signal.
Zeolite is one piece of the puzzle. Not the whole picture. The whole picture is you – with your attention, your patience, your eye for your animal. Nature has provided the tools. You know how to use them.
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Frequently Asked Questions My horse refuses zeolite. What should I do? This happens, especially at the beginning. Proven tricks: finely mix zeolite into wet hay, incorporate it into soaked pellets, mix with a tablespoon of apple puree, or start small – 5 g the first week, then slowly increase. More tricks can be found in our article: Help, my horse won't eat the zeolite! Can I shorten the cleanse if my horse improves quickly? We recommend completing the full 8 weeks, even if symptoms subside earlier. Visible improvement does not mean that the gut has fully regenerated. The microbiome needs time to stabilize sustainably. Can I combine zeolite with other feed supplements? Generally yes – but separate them by time. Zeolite could affect the absorption of other supplements if given at the same time. Rule of thumb: give zeolite 1–2 hours before or after other supplements. For oral medications: consult with your veterinarian. What if nothing has improved after the cleanse? Then it's worth digging deeper: Was the hay quality really changed? Are there stress sources in the stable? Was exercise ensured? And: Is there an underlying medical condition that should be clarified by a veterinarian? Zeolite is not a solution for every problem – some causes lie deeper. How do I know if the cleanse is working? The first visible signs often appear after 2–3 weeks: firmer fecal structure, calmer behavior, and in some cases less loose stools. Coat changes come more slowly – sometimes only after the next shedding. Keep a small record: feces, coat, mood, feed intake. What you write down clearly helps you see it. |
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The series is complete. You now have a complete picture: from the structure of the horse's gut to warning signs, mycotoxins, research, and a practical program. What you do with it is up to you – and your horse. All parts of the series: • Part 1: The Horse's Gut – How It Really Works • Part 2: Signs Your Horse Has Gut Problems – 12 Warning Signs • Part 3: Mycotoxins in the Horse's Gut – The Silent Risk in Hay • Part 4: Zeolite and the Horse's Gut – What Animal Research and Practice Confirm Together • Part 5: Gut Cleanse for Horses – Step-by-Step Program with Zeolite ← you are here Zeolite for horses: Here you can find all products for your horses and donkeys |
Read more:
Zeolite - everything you need to know about feeding horses: Q&A and guide
Supplementing zeolite for horses – dosage, application & practical tips
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