Every horse is a little different, so we keep it simple. Each formula is veterinarian formulated and made in the USA. Start with what your horse needs most, or try the Formula Finder and we’ll suggest where to begin. Subscribe and US shipping is on us.
Free US shipping on SubscribePick how often it ships. Skip or cancel anytime.
30-day returnsSatisfaction Guaranteed. Send it back within 30 days of shipping, even an opened tub.
Veterinarian formulatedDeveloped with veterinarians for everyday feeding.
Made in the USAEvery tub is made here in the USA.
Questions horse owners ask us
Which formula should I start with?
Start with what matters most for your horse right now, like gut comfort, topline or focus. If you’re torn, the Formula Finder asks three quick questions and suggests a starting point.
How long does a tub last?
Most formulas are fed as a 10 g serving each day, so a 300 g tub lasts about 30 days for one horse and bigger tubs last longer for less per day. Busy seasons can call for a serving morning and evening. Nerve Boost and Super Concentrate are fed as needed, per the label or your vet. You can compare every size side by side.
How does Subscribe work?
Choose a size and how often you’d like it delivered. Subscribe orders ship free in the US, the price stays the same, and you can skip, change or cancel anytime from your account.
Can I feed more than one formula?
Yes, plenty of owners pair formulas, for example Spine & Nerve with Nerve Boost. If your horse is on other supplements or medication, it’s always worth a quick check with your vet.
What if it isn’t right for my horse?
You can send it back within 30 days of shipping, even if the tub’s been opened. Just reach out and we’ll sort it out with you.
How to choose a horse supplement
Start with what your horse needs most right now. Every ImmuBiome formula is veterinarian formulated and made in the USA, and it fits easily into the routine you already have.
If digestion is top of your list, begin with our gut and digestion formulas. For everyday resilience, look at immune support, and for dusty barns and pollen season, see breathing and seasonal support. If your horse finds it hard to stay on task, Focus is a good fit.
Still deciding? The Formula Finder asks three quick questions and suggests where to begin. Subscribe and US shipping is on us, and you can skip or cancel anytime. Every order comes with 30-day returns and is Satisfaction Guaranteed.
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