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SmartLytes® Powder
SmartSupplements by SmartPak — Item #16321
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Replaces key minerals lost in sweat

  • Helps to keep your horse hydrated
  • Includes trimethylglycine to help cells maintain normal fluid levels
Dehydration in horses has serious consequences. In order to keep your horse properly hydrated and performing his best, it is essential to supplement his diet with salt. Neither hay, pasture, nor fortified grain contain enough salt (sodium chloride) to meet your horse’s needs, and not all horses can get their requirements from a salt block alone. Feeding a well-balanced electrolyte supplement like SmartLytes can supply the sodium chloride your horse needs, in addition to the other electrolyte minerals that are lost in sweat - potassium, calcium, and magnesium. Supplying these electrolytes will also encourage your horse to drink more water, rebalancing his fluids and helping to ensure proper digestion of feeds. 

SmartLytes was carefully formulated to mimic the mineral losses in equine sweat. This cherry-flavored powder is sugar-free and contains trimethylglycine (the osmolyte betaine), to help cells maintain normal fluid levels. What a smart electrolyte!


View our Electrolyte Comparison Chart


Guaranteed Analysis per 30 g:
(Maintenance Dose = 1 scoop (30g) daily)
  • Calcium (Min)
  • Calcium (Max)
  • Salt (Min)
  • Salt (Max)
  • Sodium
    20.5% (6,150 mg)
  • Chloride
    43% (12,900 mg)
  • Magnesium
    2.1% (640 mg)
  • Potassium
    13.6% (4,100 mg)
  • Copper
    500 ppm (15 mg)
  • Manganese
    1,160 ppm (35 mg)
  • Zinc
    1,330 ppm (40 mg)
  • Trimethylglycine (Betaine)
    575 mg
Ingredients: : Salt, Potassium Chloride, Calcium Carbonate, Magnesium Silicate, Betaine Anhydrous, Magnesium Oxide, Silicon Dioxide, Zinc Proteinate, Manganese Proteinate, Potassium Carbonate, Calcium Citrate, Copper Proteinate, Natural & Artificial Cherry Flavors, Magnesium Carbonate, Plain Dried Beet Fiber.


Instructions for Use:
Horse Weight Recommended Amount
Under 500 lbs. 0.5 scoops
500 – 1000 lbs. 1 scoop
1000 – 1500 lbs. 1 scoop
Over 1500 lbs. 1.5 scoops
Feeding Ingredients: Feed 31 g daily, 1 scoop = 31 g.

Clinical Research

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    out of 5
    89% of customers would recommend this product to a friend!
    Tell us what you think!

    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.

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    SmartLytes® Powder is rated 4.5 out of 5 by 423.
    Rated 5 out of 5 by from SmartLytes Love this product and so do my horses. Thank you for making such a nice great product.
    Date published: 2015-07-29
    Rated 3 out of 5 by from Doing its job but my guy isn't crazy for it I live where it's extremely hot an humid so wanted to add an electrolyte to my smart pak so I didn't have to keep buying from the feed store and running out.I'm sure it is doing its job but my guy isn't crazy about it and has been leaving it It smells good tho
    Date published: 2015-07-24
    Rated 3 out of 5 by from Neither horse will eat it. Last summer, my gelding ate this in his grain without a problem. This summer, he isn't finishing the grain that touches it and my mare won't eat her grain at all if she knows this is in there. I am going to try the pellets! If your horse will eat it, it's a great value and helps encourage drinking in the summer months.
    Date published: 2015-07-14
    Rated 5 out of 5 by from Great! Bought this for my recent road trip. Over 600 miles in 13 hours and my horse did awesome. She was ready to roll for 4 days of racing
    Date published: 2015-06-26
    Rated 5 out of 5 by from Love, Love, Love this supplement!! This supplement is the best electrolyte on the market. My horse is not usually a picky eater but when it came to electrolyte he would not touch a single one except this one! I feed this all year round. As a lower level eventer my horse sweats A LOT in the summer. At events he would never drink water and it always made me nervous. After being on this supplement he drinks water at shows and at home. In the winter the supplement encourages my horse to drink a lot more water than before. I absolutely love this product and it has made a huge difference in my horse!
    Date published: 2015-06-19
    Rated 5 out of 5 by from Love it!!! Started both of my mares on this product a month ago, and they have done wonderfully. Both of my mares are picky about drinking water and will consistently be drawn during the winter and through the first months of the summer, since beginning Smartlytes they are not drawn drink like try should!
    Date published: 2015-06-10
    Rated 1 out of 5 by from Horse wouldn't touch it My horses normally take supplements without a problem but wouldn't touch this. I tried both on food and mixed in water bucket.
    Date published: 2015-06-06
    Rated 5 out of 5 by from Even my picky eater likes it I tried this since I love all smartpak products but was unsure if my one picky eater would eat it - he does! No worries of staying hydrated in Florida this year:)
    Date published: 2015-05-19
    Rated 5 out of 5 by from Delecious I didn't know if my horse would eat this since it is just a powder, but he LOVES it. I don't even feed any extra grain with it. It smells so good that I want to try it. :)
    Date published: 2015-02-17
    Rated 5 out of 5 by from Great Product I tried this product after I realized that most of the powder electrolytes I was giving my horse were staying in the bottom of the feeder instead of her ingesting it. I switched to the Smartlytes in the pellet form and love them. She eats them better and I have seen little to none left in the feeder.
    Date published: 2015-02-16
    Rated 5 out of 5 by from My horse loves them!!! My horse has been on SmartLytes for about two months now. I started him on them because he wasn't drinking much at all when the temperatures got cold. He coliced extremely bad last year leading to colic surgery, so I want to prevent a repeat incident from ever happening again! He absolutely LOVES these! He eats them right away (I'm pretty sure he just thinks its just seasoning for his grain haha). Super happy as usual with another SmartPak purchase!
    Date published: 2015-02-04
    Rated 5 out of 5 by from Convenient + I purchased this for my older horse. I wasn't sure he was getting what he needed. I was impressed with the questions that helped to identify what he needed. It is great to know that he is getting what he needs to be healthy and he is so happy. The Smartpak convenience is wonderful. Drummer is a very happy boy.
    Date published: 2015-01-20
    Rated 5 out of 5 by from Love it. My horse is staying hydrated. I don't have to have a salt luck in his face all the time.
    Date published: 2014-12-30
    Rated 5 out of 5 by from Great product. i bought this for my FEI horse that has PSSM. He's a picky eater and had not problem with it.
    Date published: 2014-12-25
    Rated 5 out of 5 by from The BEST electrolyte in the market! After trying multiple electrolytes that my horse would not touch, he loved this one! I like it because it is sugar free and truly has an effect. My horse is known to sweat a lot even standing still in hotter weather. The water intake has been noticeably increased and he has a healthier coat due to hydration! Thank you SmartPak for making such a wonderful product at a reasonable price! This supplement is highly recommended!
    Date published: 2014-12-08
    Rated 5 out of 5 by from good product Good product with no sugar. Horses like it. Mixes well.
    Date published: 2014-12-03
    Rated 5 out of 5 by from smartlytes i have used this product for a while now. Even my picky eaters will take with no problem. Love that the powder is easy to use in feed or water.
    Date published: 2014-11-26
    Rated 3 out of 5 by from my horse won't eat it My horse will not eat this. Which is weird cause he eats everything. So I don't know if it works or not. He eats all his other smartpaks just fine.
    Date published: 2014-11-21
    Rated 5 out of 5 by from Great resultd Have been using Smartlytes for about 3 years. This supplement leaves others behind when comparing ingredients. My horses love the flavor and they recover well from strenuous exercise.
    Date published: 2014-11-21
    Rated 5 out of 5 by from works great ! I love Smart Lytes because it does exactly what its supposed to do and that is to keep my Horse drinking and keep him hydrated ! no other electrolyte worked so well ! Im a very happy customer .Lisa
    Date published: 2014-10-27
    Rated 4 out of 5 by from Mare loves it! My mare loves the taste and didn't mind eating it when I mixed it with only a small amount of grain for the first feeding.
    Date published: 2014-10-08
    Rated 5 out of 5 by from
    Date published: 2014-10-07
    Rated 5 out of 5 by from So much easier My Mason has been using this for over a month and seems to be doing its thing.
    Date published: 2014-10-01
    Rated 4 out of 5 by from Only 4* because... Smartpak was incredible in their customer service. My mare didn't like this at all. She would eat all around it and leave any grain that was touching the powder. I let them know and they completely refunded me! I was quite shocked but a very satisfied customer! Thank you Smartpak for being so awesome!
    Date published: 2014-09-19
    Rated 5 out of 5 by from No added stuff I love that it is clean and doesn't have added colors or dyes, and I like that it has simple ingredients.
    Date published: 2014-09-17
    Rated 5 out of 5 by from Makes my horse drink!! I bought this after my horse had a "minor" colic that entailed him spending four nights at the vet's hospital. He had somehow gotten dehydrated and his system stopped working properly. We added electrolytes to his supplement pack to ensure he drinks enough water, and now we are all thrilled by how much he drinks!! Yay for Smartpaks!
    Date published: 2014-09-17
    Rated 5 out of 5 by from Great for heavy work! I used to use some other electrolyte that i would have to buy in buckets by my vet. I found this that was cheaper and had a coupon code so i thought, why not! kept all my horses drinking! so before and after i go to a show i give them each 1/4 to 1 scoop, depending on the heat and how hard they're working. If im ever worried about colic or working them hard, i just add to grain (sometimes add water to make it stick) then I know they're drinking. I always keep a small bucket around!
    Date published: 2014-09-12
    Rated 3 out of 5 by from Won't eat it! My picky eater mare won't eat this at all, she cleans her bucket completely except for the tiny white powder despite mixing it in...have tried for a month! :(
    Date published: 2014-09-11
    Rated 5 out of 5 by from Awesome supplement ! I chose Smartpak smartlytes because it had excellent ratings and was exactly the product I was looking for. I worried that my horse, who can be a picky eater when it comes to supplements, would not like it. But he actually likes it! Thank you Smartpak!
    Date published: 2014-09-08
    Rated 5 out of 5 by from Great supplement I started my horse on this and would not choose any other supplement.
    Date published: 2014-08-28
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