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SmartBug-Off® Pellets
SmartSupplements by SmartPak — Item #17175
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Helps your horse beat the bugs

  • Garlic, apple cider vinegar & brewer's yeast to deter biting insects & omega 3s for healthy skin
  • Also includes diatomaceous earth to discourage insect breeding in manure
Does your horse bug out when fly season rolls around? If turnout is more like torture with all the buzzing and biting, SmartBug-Off can make the pasture peaceful again by helping to protect your horse from pesky insects. Say goodbye to stomping and swishing, and say hello to a happier horse.

SmartBug-Off is perfect for all horses who are bothered by flies and other pests. This comprehensive formula contains garlic, brewer’s yeast, and apple cider vinegar to help deter biting insects. It also provides omega 3 fatty acids, antioxidants, and MSM to help support a normal inflammatory response and healthy skin. Lastly, SmartBug-Off includes diatomaceous earth to discourage insect breeding in manure. Horses love these tasty pellets!

View our Insect Control Supplement Comparison Chart


Active Ingredients per 30 g
(Maintenance Dose = 1 scoop (30g) daily)
  • Methylsulfonylmethane (MSM)
    2,250 mg
  • DL-Methionine
    1,650 mg
  • Garlic
    1,500 mg
  • Apple Cider Vinegar
    450 mg
  • Thiamine (B1)
    450 mg
  • Omega 3 Fatty Acids
    420 mg
  • Omega 6 Fatty Acids
    250 mg
  • Grape Seed Extract
    200 mg
  • Riboflavin (B2)
    180 mg
  • Calcium Pantothenate (B5)
    165 mg
  • Diatomaceous Earth
    150 mg
Inactive Ingredients: : Brewers Dried Yeast, Corn Distillers Dried Grains with Solubles, Dried Yeast, Fenugreek Seed, Grape Pomace (Ground Grape Seed and Skin), Lignin Sulfonate, Stabilized Flax Seed Meal, Vegetable Oil (cold pressed).


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
Directions for Use:  Administer 30 g daily (1 scoop = 30 g)

Clinical Research

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    SmartBug-Off® Pellets is rated 3.9 out of 5 by 1279.
    Rated 5 out of 5 by from Deters bugs, keeps skin and coat healthy It takes a little time to build up in their system and start working, but once it takes effect (about 2 weeks) the difference is noticeable! Far fewer bites and happier horses. Plus it seems to help skin and coat. Just ordered our 2nd bucket. All horses are eating it and they love the taste.
    Date published: 2016-07-05
    Rated 4 out of 5 by from SmartBug Off I started using this product about 6 weeks ago and both my horses seem less bothered by pesky insects. My gelding doesn't seem to be shaking the bugs off his ears all the time now. Even with his ears covered he still felt the need to shake them off. We are both happier.
    Date published: 2016-07-05
    Rated 3 out of 5 by from Not too sure I think that insects are worse this year in general so I am not sure if the products are helping or not. The situation is simply overwhelming this summer.
    Date published: 2016-07-04
    Rated 2 out of 5 by from Didn't keep the bugs off. My horse has been on this for two weeks and I haven't noticed any decrease in the number of insects that bite him. He's very sensitive to insects and when I take him outside without fly spray after starting this, he almost loses his mind from the flies biting him. It would probably do very well as a skin and coat supplement, considering the ingredients. Just don't expect it to keep insects off your horse.
    Date published: 2016-07-03
    Rated 5 out of 5 by from Happy Horse! My mare was covered in welts from flies, then we started SmartBug- Off & noticed a difference in just 2 days! She is one happy, comfortable horse!
    Date published: 2016-07-02
    Rated 5 out of 5 by from Bug-Off is the Best I have used Bug-Off for my horses for several years now and we are all very pleased that it works so well. This year due to heavy rains and now heat and humidity, I have doubled the supplement to morning and evening until I feel confident we will get past unusual pest problems. I highly recommend Bug-Off.
    Date published: 2016-06-30
    Rated 5 out of 5 by from It really works! Thought I would try this for giggles-thin skinned OTTB, can't buy enough fly spray, bugs get UNDER her fly sheets...Ugh. Holy cow, did this stuff work! Smells kind of funky, but she eats it right up and the flies are almost a non-issue! Definitely worth continuing for the remainder of the bug season!
    Date published: 2016-06-30
    Rated 2 out of 5 by from SmartBug-Off Been using this for two months now, and can't say I'm too impressed. I have two horses and ordered this supplement for only one, to see if I saw any difference. The horse who is on this seems to have just as many flies pestering him as the horse who isn't on it. Will probably discontinue and just use that twenty bucks a month to buy another bottle of fly spray. On the upside, my horse did eat it despite the VERY strong smell.
    Date published: 2016-06-28
    Rated 5 out of 5 by from Miracle worker My poor itchy bitten horse is now so comfortable and content after being on this product, it was a very noticeable difference right away! highly recommend
    Date published: 2016-06-28
    Rated 4 out of 5 by from
    Date published: 2016-06-27
    Rated 5 out of 5 by from Hesitant at first but worth it!! I was unsure about trying any feed through fly supplements since I didn't think they work too well but after last years bucking bronco I had, I was willing to try it and I'm impressed. I've actually had his fly sheet off most of the time this year so far which is great! Highly recommend trying it!
    Date published: 2016-06-22
    Rated 4 out of 5 by from Gnat free! My boy has always had a tough time with gnats and would get just welts because he was full of them and they also liked to hang out in his ears. I have been using this for almost two months and haven't seen a single gnat since. Flys on the other hand they still bother him.
    Date published: 2016-06-22
    Rated 5 out of 5 by from It Works ! We have a black horse who fight flies more than the others - these pellets work !
    Date published: 2016-06-22
    Rated 1 out of 5 by from Does not work!!!!! This does not work. The idea of it is great but I have seen nothing to indicate this product works. Perhaps it just doesn't work in the south......
    Date published: 2016-06-21
    Rated 4 out of 5 by from Good results. I started my horse on this product a few months ago before the biting insects were out in full force. The biting insects are now out and my horse isn't getting bitten nearly as much as he did in previous years in the same environment. I continue to use fly spray to repel flies since this product doesn't keep flies from landing on him and being a nuisance.
    Date published: 2016-06-18
    Rated 4 out of 5 by from Good so far I bought it a month ago and so far so good I will have to wait until the flies are really bad and he has been on it for a while
    Date published: 2016-06-13
    Rated 2 out of 5 by from Unfortunately Did Not Work Unfortunately this product did not work for my gelding, I had him on for a few months however he was still being eaten alive by the bugs. He gobbled the pellets up no problem though.
    Date published: 2016-06-07
    Rated 4 out of 5 by from Definitely helps! I've been trying this with my 8 horses for the last month or so and they definitely seem to have less flies on them. All but my pickiest horse eats it with no issues.
    Date published: 2016-06-05
    Rated 1 out of 5 by from My mare was on this for about four months, what a waste of money! I just took her off of it and I'm just going to buy a fly sheet. She's getting eaten alive still.
    Date published: 2016-06-03
    Rated 5 out of 5 by from great product I have been buying this for 2 months and my stud is usually really sensative to bugs, now he has no bites and the flies stay away as well as the mosquitoes.
    Date published: 2016-05-27
    Rated 3 out of 5 by from No hope for black flys. Started my morgan mare on this about 4 weeks before the black fly season started. If anything she has more black flys on her than the other 3 mares in her pasture.She does like eating the supplement and I have not noticed any change in her smell.Hopefully we will have better luck against the deer and horse fly!
    Date published: 2016-05-24
    Rated 4 out of 5 by from Working well! We have a terrible problem with ticks as of the last year or so and I tried this on the advice of a friend who had her horses on it last year. I have all 4 horses on it for 2 months now and it seems to be working very well. Instead of finding at least 2 ticks per horse per day we are only finding an occasional tick maybe once a week! I love that it comes in a pellet and although the smell is very strong my horses didn't think twice about gobbling it up! I would definitely recommend this product to help with ticks!
    Date published: 2016-05-18
    Rated 4 out of 5 by from Not a miracle cure, but does seem to help. I have two predominately white paints who attract flies like magnets. I kept them on this last summer and have started it again this year. I do think it helps because they seemed much less bothered after a week or two on it than they were before. They still swish flies away and they still come in with blood here and there on their legs from flies feasting, but it isn't as bad. We are able to be at the barn almost daily and fly spray them also, between the two products they appear a lot less bothered while grazing than many of their herd mates. Both like the taste, even the picky eater will take it from my hand like a treat.
    Date published: 2016-05-13
    Rated 1 out of 5 by from Sounded great, but it just never worked
    Date published: 2016-05-06
    Rated 2 out of 5 by from Great idea, didn't work Surprisingly my horses ate it. This supplement has a very strong garlic smell, but they didn't seem to mind and munched away (at first a lot of sniffing they were not too sure). One mare is a very picky eater, and she ate it as well. Unfortunately I didn't see any difference. One mare was getting bit so badly she was bleeding. I really wish this would have done the trick.
    Date published: 2016-05-04
    Rated 3 out of 5 by from Seems to help deter the flies. My horse likes the taste of SmartBug-Off and eats it right out of my hand.
    Date published: 2016-04-25
    Rated 5 out of 5 by from Garlic for All I do everything possible to keep flies away from my horses. In Tucson we have a horrible fly that puts larva into any damp place.
    Date published: 2016-04-15
    Rated 5 out of 5 by from Best feed through fly repellent. I used this product on my mare in 2014. Tried something else in 2015. Huge mistake. I am keeping my mare on this for fly season 2016. This is the only product I have found that contains MSM and with her fly allergies, it really helps.
    Date published: 2016-04-11
    Rated 3 out of 5 by from Picky eater won't eat it My picky eater will not touch her food with this mixed in. Even a tiny amount, with all the tricks in the book applied...she won't eat. We've tried for a couple weeks, but she is already a "hard keeper" and I need her to eat!!It does smell very strong of garlic...which I thought she would like!! Too bad!!
    Date published: 2016-04-09
    Rated 5 out of 5 by from Works well in the South! I bought this last year after doing much research on bug off products & was still very skeptical. After a week or so, I noticed a huge change in the flies that were on Hank & in the pasture. It is amazing!! Keeps most of the biting flies, mosquitoes, & gnats away. I still have to use spray for the horse flies. This stuff is also great at deterring egg laying on the manure. I would highly recommend this fly control. It is well worth the money!!
    Date published: 2016-03-29
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