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Dr. Stephanie Hyland BSc (Hons) Picture of Dr. Stephanie Hyland BSc (Hons) Ph.D. Equine Nutrition® Call Stephanie Hyland MSc RNutr. or
Sophie Pelham Burn MMedSci ANutr.
on 0800 585525 for
free qualified equine nutrition advice
Feedmark Horse supplements
phone 0800 585525 or +44 1986 782368

Product reviews for Fly Formula™

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Existing reviews
Admin.FeefoSynchronizer.Review.Title
My gelding ate it straight away. My mare took a week to get used to it. But both enjoy it now and although only started them on it a month ago I can see a difference. I will be keeping this in their feed all year going forward
Picture of mares head and gelding jumping
Guest | 16/08/2025 19:44
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Admin.FeefoSynchronizer.Review.Title
A lot less flies around the horses and not as much itching!! Smells great too!
Guest | 13/08/2025 23:03
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Admin.FeefoSynchronizer.Review.Title
Have been using this since late spring this year.  Flies have definitely been less on both my horses so far,  now mid summer.  The total recommended amount hasn't been used as they only need to be fed once a day & I find the full dose would be too much for what else I am feeding, one has just a pellet balancer, the other a joint  supplement.  Will continue to use until autumn.
Moira | 12/08/2025 23:58
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Admin.FeefoSynchronizer.Review.Title
Super product,  really helps and my mare doesn't have hives all over her this summer
Guest | 10/08/2025 20:14
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Admin.FeefoSynchronizer.Review.Title
Only been feeding it for a few weeks but he seems to be less itchy, maybe a bit early to tell if it is helping to keep the flies away.  It smells great and he eats it in his feed with no issues.
Guest | 08/08/2025 11:27
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Admin.FeefoSynchronizer.Review.Title
This really helps keep the flys away.
Very quick delivery too
Guest | 07/08/2025 19:23
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Admin.FeefoSynchronizer.Review.Title
Flies this year are horrendous here. The horses have flies on them but less than those not on Fly Formula. It works but nothing is ever going to totally eliminate flies.
Guest | 05/08/2025 20:36
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Admin.FeefoSynchronizer.Review.Title
The best product I've found to help my sweet itch mare, she has it all year round as she's rug free over winter.
Being a veteran at 28 she also has feedmarks best flex ha, still as active as she was 15 years ago, no stiffness, no clicky joints.
Lisa | 04/08/2025 19:05
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Admin.FeefoSynchronizer.Review.Title
The flies have been bad this year, but there have been fewer flies on the horses than usual. The product smells lovely and the horses love it. I like it because it’s natural and works all day and doesn’t get washed off in the rain.
Cathie | 01/08/2025 10:57
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Admin.FeefoSynchronizer.Review.Title
I considered it feeding Fly Formula in previous years but, for various reasons, didn't do so.
I'm glad that this year I started using it on my ex polo pony as it's really helped repel the flies.
Caroline | 31/07/2025 10:16
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Admin.FeefoSynchronizer.Review.Title
Brought a sample pack and my mare loved it, I am not a fan of fly spray so decided to make a further purchase, I have read some use between April & October so I was late starting and may not get the full benefit.  I feel there is a small reduction in flys and will continue using, I am sure it does take a while to build up full effect.
The service was good with a speedy delivery
Guest | 28/07/2025 19:26
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Admin.FeefoSynchronizer.Review.Title
I have fed this to all of my horses for years. Reduces flies but also when they do get a bite the reaction appears less. It smells delicious and they all eat it even the picky one!!!
Guest | 26/07/2025 07:51
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Admin.FeefoSynchronizer.Review.Title
I used Fly Formula last year and it seemed to work well in keeping flies at bay.  This year I was late in purchasing it and my horse was plagued with those horrid black flies around his eyes and face.  Now he's back on it, I'm hopeful that it will have the same deterrent effects as last year.  Its obviously palatable as he licks his bowl clean.  Feedmark are an excellent company and I've never had any problems with them.
Mandy | 25/07/2025 21:24
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Admin.FeefoSynchronizer.Review.Title
Just started using this.
Smells nice and have no issues with the ponies eating it, hoping it will do the job.
Guest | 23/07/2025 19:12
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Admin.FeefoSynchronizer.Review.Title
Definitely less flies on the horses. Quick acting and effective
Guest | 22/07/2025 14:35
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Admin.FeefoSynchronizer.Review.Title
My pony enjoys the taste, so there is no problem in feeding it to her. It mixes easily into soaked Fastfibre.  It has noticeably reduced the number of flies on her when she is in her field  although I have had to use a fly spray as well during the very hot weather recently.
Denise | 18/07/2025 19:44
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Admin.FeefoSynchronizer.Review.Title
You can really see the difference in the herd between my horse using this and the others not using it.
Guest | 17/07/2025 19:07
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Admin.FeefoSynchronizer.Review.Title
Smells lovely, although I still see flies around my horses they don’t seem to be being bitten now
Guest | 16/07/2025 19:06
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Admin.FeefoSynchronizer.Review.Title
Takes the boys a little while to get used to the mix twice a day - but soon I notice that they aren’t being bothered as much as others. I feed from April to Oct.
Alexandra | 10/07/2025 20:21
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Admin.FeefoSynchronizer.Review.Title
Great product. Really helps my horse who has allergies to flies
Sophie | 10/07/2025 20:00
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Admin.FeefoSynchronizer.Review.Title
Have had very positive results with ‘Fly Free’ horses not coming in with nasty bites as in previous years, great that you can buy tester bags for checking the supplements will be eaten. As with all the supplements I’ve used from Feedmark the products do what they are meant to. Highly recommend
Janice | 06/07/2025 22:44
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Admin.FeefoSynchronizer.Review.Title
Smells delicious and pony loves it. There’s a clear difference in the number of flies on her compared to other horses in the field.
Ali | 04/07/2025 19:37
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Admin.FeefoSynchronizer.Review.Title
Was fairly sceptical that those would work but seeing a definite reduction in the number of bites on my sensitive ginger boy.
Susan | 25/06/2025 14:46
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Admin.FeefoSynchronizer.Review.Title
Fly formula has proved very beneficial for my horse & so I will continue to use every summer. The ingredients are very palatable & he licks the bowl clean. He definitely enjoys the garlic & it dies help to ward off the flies & mosquitoes.
Guest | 20/06/2025 19:55
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