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SmartLytes® Powder

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Feeding Chart
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Product Overview

Replaces key minerals lost in sweat

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
  • Helps to keep your horse hydrated
  • Includes trimethylglycine to help cells maintain normal fluid levels

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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

  • SmartLytes equine electrolyte supplement Review
    Jessica from SmartPak talks about why she always has something in her horse's SmartPak to encourage him to drink more water.
  • 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.

SmartLytes® Powder is rated 4.5 out of 5 by 454.
Rated 4 out of 5 by from So far so good Switched to the SmartLytes Powder after the pellets arrived inedible. Wanted some electrolytes for my mare and thought the pellets would be gobbled down easier with her grain than powder form. However, after years of all going smoothly, the smart paks arrived with an odd smell (just the electrolytes) and she refused to eat them. So, I switched to the powder. Once in awhile, the powder will still be in her manger from morning feed but, eventually, she licks it all.
Date published: 2021-08-02
Rated 1 out of 5 by from cherry flavor for horses.. NOT a good idea Ordered this because I new we were going to have a heat wave... My horse who is not a picky eater would not eat. I don't know who thought cherry flavor was a good idea for horse.. but NO you should have stuck with the none Apple, carrot maple... not cherry
Date published: 2021-07-27
Rated 5 out of 5 by from Quality and Affordable Electrolytes I love using SmartLytes® Powder to encourage my horse to drink. It has all the electrolytes and salt my horse needs, especially in the summertime. My horse never drinks enough water and has been very dehydrated on multiple occasions, so I bought the SmartLytes Powder. What drew me to the SmartLytes Powder is it is a very affordable option, and it has everything my horse needs to help replace all the minerals he loses when he sweats. Another fun fact about this product is it smells so good! Not only does my horse like the smell, but I love it too! After adding it to my horse's daily feed for a few weeks, I noticed a huge difference in his water consumption. It also seemed like he had a little bit more energy due to the electrolytes as well, as he is normally more lethargic in the hot weather. Great product! I highly recommend it!
Date published: 2020-10-26
Rated 3 out of 5 by from Good product, sadly my mare wouldn’t eat it The actual product is probably great, but sadly my mare wouldn’t eat it. We received samples of SmartPak’s powder electrolytes and pellet electrolytes and she would only eat the pelleted formula so we ended up going with that one.
Date published: 2020-08-14
Rated 3 out of 5 by from Would not eat it My horse did not like the taste. He kept dumping his feed tub over. I tried giving him half than worked up to the full amount. When I got over half the dose he would not eat it. I split up way was left among all 3 horses and switched back to Apple a day.
Date published: 2020-07-10
Rated 5 out of 5 by from Works! My senior horse decided that he did not want to drink water while being stalked during the days of summer. I started giving him these electrolytes, and now he drinks like a pro in his stall! He gets soaked food so the powder dissolved and he eats it with no issues.
Date published: 2020-07-08
Rated 5 out of 5 by from Where at Serb These are wonderful and they do the job. Easy to use and secure till used
Date published: 2020-03-19
Rated 2 out of 5 by from Mare would not eat My mare would not eat her grains with these electrolytes if given in the quantity suggested. We had to give less than half of each daily dosage for her to eat her grains. I guess she does not like the taste.
Date published: 2020-01-04
Rated 5 out of 5 by from They like the taste My horses typically dehydrate during Winter months and lose weight. Smartlytes are helping tremendously
Date published: 2019-12-28
Rated 3 out of 5 by from Not a hit Unfortunately my gelding will not eat this product :(. Normally he eats almost everything but when I put this in his food, even mixed thoroughly with water, he spills his food out everywhere and refuses to eat. Really wanted to like this product. Maybe try the pellets instead.
Date published: 2019-06-20
Rated 5 out of 5 by from Keeps my old horse on water! My old gelding decided this winter that he didn't want to drink water, which lead to a mild colic episode. I had bought a bucket of this for my other horse for when I travel with him so I thought I'd just throw some on my old guy's grain to see if he'd even eat it. I was skeptical because my non-picky horse I originally got them for won't touch his grain when this is in it. However, my old guy gobbled this up! I have now added it to his daily SmartPaks and will probably keep him on it year round to make sure he stays on water. As for my other horse, I'll definitely try the pellet form for him next time!
Date published: 2018-11-25
Rated 5 out of 5 by from Very palatable! Very palatable! Horses loved it. Great value for a quality product.
Date published: 2018-10-22
Rated 4 out of 5 by from Both horses are eating it without a fuss Even the filly from TN who is in her first year of work has been sweating well and working great in the relentless Florida humidity.
Date published: 2018-07-24
Rated 2 out of 5 by from My horse won’t eat it. I added this supplement to my monthly SmartPak’s with the intention of helping my horse out during the hot summer months (May through October). I have noticed that he is more comfortable when performing in the heat, however I also noticed that he has not been eating the supplement. He must only be getting what’s on his grain.I checked his bucket today and it appears that their is powder residue still leftover from at least a weeks worth of supplements. He is a horse who usually licks his bucket clean. I would suggest that SmartPak change the flavor. Guess I will be switching to the pellet form.
Date published: 2018-07-12
Rated 5 out of 5 by from Amazing Electrolyte! I love this in my SmartPak. I put it in my horses dinner which is made up of alfalfa cubes and sweet feed grain. He eats it in his first mouthful and loves it! Always takes it willingly and clearly loves the cherry flavor. I definitely think that having this added in his SmartPak has helped to keep him better hydrated. He and I are both from Maryland, but are currently living in Florida. The severe heat is new for him and he sweats just standing in his pasture. I wanted to be sure he had something extra to help him stay hydrated. I would recommend this product. Good price and easy to use.
Date published: 2018-06-25
Rated 5 out of 5 by from Worked Wonderfully! My horse lives in a very cold area, and even though the barn is kept pretty warm, he didn't drink as much water as he needed over the winter. We noticed him being dehydrated almost all the time. We started him on SmartLytes, and within a few days he was drinking a regular amount and totally hydrated again. Worth noting, he is never a picky eater and ulcer treatment made him used to all sorts of strange tastes in his foods. He ate it very happily!
Date published: 2018-05-12
Rated 2 out of 5 by from Horse won't touch it I love the price and ingredients for this product, but I can't speak to how well it works as my horse won't touch it! He's not a picky eater, he normally licks the supplements out of the bottom of his bucket, including powders, but when this is in his grain, he won't take a single bite. Not sure if it's the smell or what. It's too bad, it's a good supplement and I wanted it to work!
Date published: 2017-09-11
Rated 4 out of 5 by from great product I bought this about a month ago. My horse loves it!
Date published: 2017-08-21
Rated 5 out of 5 by from My horse loves it! I've been making SmartLytes popsicles with SmartLytes powder, apple juice and chopped carrots. My horse loves it in the hot weather!
Date published: 2017-08-07
Rated 5 out of 5 by from Love it Bought this product so I don't have to worry about my horse drinking enough when we travel
Date published: 2017-06-07
Rated 5 out of 5 by from Made a huge difference... I have given these to my harness race horse for almost a year. He is a very picky drinker - when he travels to race, he refuses water. After he trains, he never drinks enough. I worried about him becoming dehydrated and not being able to perform his best. The gets these every day in his SmartPaks, and they encourage him to drink. He finished 85-90 percent of his 15 gallons of water daily. He will drink a full 5 gallon bucket of warm water now after jogging. These are well worth the comfort of mind - I never worry about him not drinking or getting sick or weak during race season.
Date published: 2017-02-24
Rated 5 out of 5 by from Wow! I'm impressed honestly. I used to feed another electrolyte but the smartpaks are so convient and my horse actually likes this one. She went on a drinking strike during winter and after two days on this she started to drink again. And it's affordable .. also it smells SO good
Date published: 2017-02-16
Rated 1 out of 5 by from Diappointed My horse hates the taste, should've bought apple. A waste of my money
Date published: 2017-01-24
Rated 5 out of 5 by from Great deal My gelding is prone to colic and with the cold weather he was not drinking enough. This helped him and is full of other good minerals that most other electrolytes don't have.
Date published: 2017-01-23
Rated 5 out of 5 by from Great product! I bought this supplement to give to my horse to supplement for his lack of being able to graze and no source of selenium. Not only does he love it, but I know he is now getting everything he needs.
Date published: 2016-12-12
Rated 5 out of 5 by from I bought this to keep my horses drinking and to prevent heat stress issues. It did just that.
Date published: 2016-10-26
Rated 5 out of 5 by from Great Electrolyte at a Value My ottb went from drinking 1 bucket to 2.5 buckets within a week of being on Smartlytes. He needed the increase in water intake and is doing much better in our humid hot Florida climate.
Date published: 2016-09-08
Rated 5 out of 5 by from I started my mare on this 2 months ago. She lives outside and would be sweating just standing in her paddock in the hot summer months. I also noticed that she didn't drink very much and would always come in with a dry tongue. Now, she sweats more when she is ridden and her tongue is much wetter. She had a little trouble eating it at first and I had to mix it in with some sweet feed and a tiny bit of water but now she eats it dry on to of her morning grain.
Date published: 2016-09-06
Rated 5 out of 5 by from Great choice for a picky horse I have been giving this to my 13 year old Andalusian tb cross who is a event horse. I had tried few different brands but he really really loves smartlytes. I recommend this product to anyone and am current getting the rest of my barn on board
Date published: 2016-09-02
Rated 5 out of 5 by from Dependable formula My horse is on complete supplement, BUT this summer was so hot and she was sweating so much that she needed extra electrolyte - look no further than trusted Smartpak. I have to say that her blah improved immediately.
Date published: 2016-08-25
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