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SmartCalm® Ultra Pellets

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Product Overview

Which horses benefit from calming support?

Supplements that aid in calming are an ideal starting point for any horse that is excessively nervous, edgy, reactive, unconfident, or spooky. That’s because the vitamins and minerals these products offer help smooth out deficiencies in the diet that can interfere with proper nervous system function.

Additionally, if you compete in rated horse shows, supplements with herb free formulation may be your best option. Unlike herbal calming supplements that often include ingredients that are prohibited by many competitive organizations, nutrient-based supplements generally focus on providing key nutrients like tryptophan, magnesium and B-vitamins that are an important part of your horse’s diet.  Of course, we always recommend checking the rule books for any organizations under which you compete to confirm their individual rules and that these ingredients are appropriate.

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Key Ingredients


Supplement Facts

Ingredient Name Amount Per Serving
Ingredient Name Amount Per Pound

Ingredient Details


Weight Recommended Amount Loading Amount

How the Ingredients Work


Supporting Success

Supercharge Your Supplements

  • SmartCalm Ultra equine calming supplement from SmartPak
    See and hear why SmartCalm Ultra pellets may be able to help you and your horse have more fun and less stress in the saddle!
  • Simplify with SmartPaks | Consistent, Custom, Convenient
    Simplify your life with SmartPaks: custom-made, pre-measured daily doses of your horse's supplements.


The reviews provided on this website represent the experience of the individual posting the review. We do not adopt, edit, or endorse any of the submissions posted within the reviews section. Rather, the reviews are part of an online community of animal owners that desire to share their particular experience with other individuals. These reviews are not a substitute for discussing the health of your animal with a veterinarian.

SmartPak customers are some of the most conscientious animal owners around. We encourage you to share your experience with the products we sell to help fellow customers to make informed choices for their animals. We do not edit these reviews in any way - they are direct customer-to-customer communication. We do monitor reviews for positive and negative feedback, and use this feedback to improve our selection as well as sharing feedback with product manufacturers to help them improve their products. Please note that we recommend consulting your vet with serious health issues.

SmartCalm® Ultra Pellets is rated 4.3 out of 5 by 1706.
Rated 1 out of 5 by from Beware L-Tryptophan Had my horse on this about 3 weeks and noticed he was getting increasingly excitable - unfortunately I didn’t put it together that it could be the supplement until the one day he completely came apart. I’d remembered some posts about L-Tryptophan making some horses very hot and immediate took him off it, and put him back on straight magnesium. He’s back to normal now, where he will look and occasionally have a small spook but nothing near the way he became completely unglued on this supplement. I don’t think L-Tryptophan is a good idea for every horse. Definitely research before buying this and take them off if they start getting worse.
Date published: 2021-06-28
Rated 5 out of 5 by from These seem to level out my young warmblood mare. This supplement appears to help my mare use her brain better and be a bit less reactive.
Date published: 2021-06-21
Rated 1 out of 5 by from Horse wouldn't go near it Had high hopes for it, but the first time I put in my mare's feed she wouldn't eat her grain. When I opened the bag it smelled like urine. Haven't tried it again so there's a quick $36 lost.
Date published: 2021-06-14
Rated 5 out of 5 by from Huge difference! My horse has been on this supplement for almost three months and the results have been amazing. I’ve previously tried the different calming pastes from other companies and they always stressed me out trying to guess when to give it and then the results were always disappointing. Smartpak’s calming supplement has been amazing because not only quieted my horse down and been less stressful for me but my horse (who may be THE pickiest eater) actually doesn’t mind the flavor. Thank you Smartpak!
Date published: 2021-06-11
Rated 3 out of 5 by from Not for picky eaters Our mare seems to be a picky eater, so I have switched to something that's not mixed
Date published: 2021-05-28
Rated 5 out of 5 by from Great improvement !! I switched from Calm Guard to the Ultra and my horse is definitely less anxious, no spooks, and more pleasant to be with! Great product!!
Date published: 2021-05-17
Rated 5 out of 5 by from Time and money saving I started using SmartPak just over two months ago and am sorry I did not start using it earlier.
Date published: 2021-05-06
Rated 1 out of 5 by from Picky eater did not approve Thought I'd try my older but spry gelding on this to take the edge off, but he won't touch his food with these mixed in (even tried doing a drizzle of molasses to entice him). Unfortunately disappointed.
Date published: 2021-05-06
Rated 5 out of 5 by from Love this stuff My TB is a good guy but was getting pretty tense and reactive, so I tried Total Calm and Focus, which helped, but then I switched to this and the results were much better. He just seems much happier and more relaxed. It's made our rides more enjoyable for both of us!
Date published: 2021-04-22
Rated 4 out of 5 by from Good too a little time to work Started my mare on this a couple months ago, and the effects are just starting to show. She is over all much calmer and even tempered. I’d say if you are wanting to try this, be willing to give it three months to see full effects.
Date published: 2021-04-06
Rated 1 out of 5 by from problem ror my horse I bought this by accident meaning to order the SmartCalm but thought I would give it a try because it should still work as there was only one different ingredient from the one I was using for my mare. The one ingredient was L-tryptophan, when my horse started getting more excited and began to feel like a time bomb ready to go off (I had been using less than a full dose) I upped the dose only to find it got worse. She did manage not to actually lose it but this was not the the result I was hoping for since on SmartCalm I had a reasonably sane horse when I rode sometimes even pokey. She also had issues with other horses in the ring when I rode and I had to get off and not ride that day. Another mare in the barn was also using it as she needed something to calm her. She also ended up getting worse instead of better. It was at this point I did some research on the one ingredient that was different. What I found was that L-tryptophan can cause mild excitement in horses. In my mare and the other mare in the barn I would say it was more than mild excitement. I have since taken her off this supplement and put her back on the SmartCalm, she is back to what she was before trying this one. So though it may work for some horses I would caution those who do try it to pay attention to your horse and see if it is actually helping.
Date published: 2021-03-24
Rated 5 out of 5 by from It works! No problems with feeding. My horse been on this for a month, the difference is noticeable. It does not slow her down it just takes the edge off. It reduces attitude anxiety anxiousness. It does not reduce performance. As an eventer I still need stamina. It just quiets her mind a little bit. we also have no problem feeding it. She will eat it right out of my hand.
Date published: 2021-03-21
Rated 1 out of 5 by from Gelding did not like the taste I switched my gelding from the regular SmartCalm to the Ultra. Within two days of switching, he was refusing to eat anything in his bucket if the Ultra was in there. I switched him back to the regular version and he went back to gobbling it up. I was curious how the Ultra would affect him but did not get a chance to see, obviously. The regular version does help him though.
Date published: 2021-03-04
Rated 5 out of 5 by from It took a little while but finally kicked in My arab gelding is very looky and flighty . Started this supplement along with Smart GI supplement after he was dx with ulcers. He's been on it for almost 2 months and is much more calmer and easier to work with.
Date published: 2021-02-18
Rated 5 out of 5 by from Really Works! After having my 5 year old Arab on this product for about 2 weeks he settled down dramatically!
Date published: 2021-02-18
Rated 5 out of 5 by from Great Product Seems to be working better than other supplements used in the past.
Date published: 2021-02-17
Rated 1 out of 5 by from Not picky eater approved My TB mare who is suspicious of any changes in her food refuses to eat this supplement. Even when I soak it in her mash she manages to eat around it.
Date published: 2021-02-13
Rated 5 out of 5 by from Worked Wonders Have tried numerous calming supplements for my Arabian but this is first one to truly work. I’m much happier and she is now able to take so many more noises and distractions without freaking out. Like a different horse. Took 30 days to really kick in so be patient!
Date published: 2021-01-21
Rated 1 out of 5 by from Horse won’t eat it I was SO hopeful with this supplement but my gelding will NOT eat it. I tried EVERYTHING!!! He would rather starve that touch this stuff! He wouldn’t even eat around it, one sniff and he would throw his head up and walk away.
Date published: 2020-12-27
Rated 5 out of 5 by from Really works Works quickly, started my anxious & moody mare on this and within a week she calmed down. No more dancing in the cross ties, no more spookiness. Excellent product
Date published: 2020-12-25
Rated 5 out of 5 by from Whole new horse My mare was on this less than a week before we had a whole new way of going
Date published: 2020-12-18
Rated 1 out of 5 by from Opposite reaction I switched to this since it seemed to be a better price instead of buying the Mg and B vitamin separately. My horse tends to be a bit reactive, but he's young. After 2 weeks on this supplement, he because extremely spooky and having melt downs over every little thing (stuff that never bothered him before). Switching supplements was the only change. I feel bad as he's so frazzled, and that's not like him. Not even safe to ride right now. Taking him off and going back to the old supplements in hope that he goes back to his normal self!
Date published: 2020-12-13
Rated 5 out of 5 by from It REALLY Works!! I own an off the track Thoroughbred who is VERY spirited and likes to spook at almost everything while on the trail and likes to fight me in the arena. I started this supplement about 2 months ago and unfortunately wasn't able to see if it helped him under saddle until today, due to me being injured at work several weeks ago. He was like a new horse today! I just walked, trotted and cantered a little and he was my horse with his usual spirit but none of his usual hijinks!! I couldn't believe it, he didn't want to gallop straight away when I asked him for a canter! He was such a good boy, for not being ridden for almost a month and a half, no was like I was riding the worlds brokest horse. I was THRILLED. Thank you SpartPak!!!
Date published: 2020-12-08
Rated 5 out of 5 by from Getting back to normal!! Two months ago, Mack, my 19 yr. old Standardbred gelding, moved with us from a quiet, suburban backyard barn in Westchester County, NY to very rural upstate NY. After a couple of okay days, Mack quickly realized that “rural” doesn’t necessarily equate with “peaceful”! There is a freight train track a field away, an interstate a ways beyond that, wonderful neighbors that train hunting dogs and shoot skeet, duck season, now deer hunting season.... It all quickly became too much for Mack. He’d spook at something and then run himself into a lather - over and over. He wouldn’t eat or drink well. He was nervous and out of sorts. Very uncomfortable and unhappy. Which had me just worried sick about him. I thought that I might end up having to re-home him! Luckily, in desperation, I thought of SmartPaks, which we’d used at other times over the years. I ordered SmartCalm Ultra, as well as U-gard Pellets for him, which arrived quickly. What a life saver!!! I could see the results almost immediately! He was SO much better - not on high alert all the time, he could relax and actually lay down to sunbathe! He started eating and drinking well again, and gained back the weight he had lost. I had been worried if he would even eat the supplements because he is quite a picky eater, and he wasn’t eating much at that point anyway, but, thankfully, no problem at all - he would even eat them right out of my hand. So, sorry for this novel-length review, but I continue to be thrilled by how these products helped turned our bad situation around!
Date published: 2020-11-27
Rated 5 out of 5 by from I think it works My mare has been on this supplement for over a month now. I feel like she is more focused and easier to manage. She is still herself, looky and flighty, but easier to bring back into a centered mind. I think this supplement has helped. Also, she does eat it. At first she was suspicious and wouldn't, but she got used to it after about a week and eats it fine. She's not the type to clean her plate, but not suuuper picky like some horses.
Date published: 2020-10-07
Rated 5 out of 5 by from Helps with my horses jumpiness He’s been on it for a few months not as jumpy. Easy to use I think it helps
Date published: 2020-09-29
Rated 5 out of 5 by from Really works! My mare is a totally different animal now. I have been using these pellets for almost a year now, and I started seeing the different within a couple of weeks. I also have switched her over to the Dr Cooks bitless bridle and that has decreased her anxiety level even more. Recommend highly!!
Date published: 2020-08-29
Rated 5 out of 5 by from Calming pellets He is on his 2 shipment. So much better, he is responding to me better.
Date published: 2020-08-25
Rated 5 out of 5 by from Calmed my Spook Monster My horse came up to New England from down south - from large pastures and fields to a suburban environment. Right from day one everything here at this busy barn and on the road was scary! And his reaction to everything was to be a super spook ... in hand and undersaddle. I spent weeks trying to get him used to his new world but he was too anxious to break through to. Thinking this will just be what I have to deal with I thought I'd try SmartCalm Ultra - couldn't hurt right? Well - after 8 weeks - it has helped so much! It took a full 8 weeks to take effect with him because he was so over-reactive - he trained himself to spook at everything! Now - he's so different ... he is now allowing himself to relax. There is still an occasional spook - but "normal" ... it took a while for me to retrain myself from expecting him to spook too! This supplement is the real deal! He will always be on it. Now I'm hoping he stays this way when the New England fall winds whip up his tail! LOL
Date published: 2020-08-23
Rated 5 out of 5 by from Give it a month I have a high anxiety mare and at first I thought this did absolutely nothing for her. After about a month of use she is super calm and cool. Not to mention she eats every crumb.
Date published: 2020-08-14
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