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Magnesium 5,000
Med-Vet Pharmaceuticals (MVP) — Item #18286
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Supports a healthy nervous system & muscles

  • Provides 5,000 mg of magnesium


Guaranteed Analysis:
(Maintenance Dose = 1 scoop (56.7 grams) daily)
Ingredient Per Serving Per Pound
Crude Protein, Min 7,380 mg 13%
Crude Fat, Min. 3,400 mg 6.0%
Crude Fiber, Max. 5,680 mg 10%
Magnesium, Min. 5,000 mg 8.82%
Ingredient Statement: Wheat middlings, rice bran, magnesium oxide, mangesium proteinate, soybean oil, calcium propionate, natural and artificial flavors.


Instructions for Use:
Feeding Directions: (Enclosed measure approximates 2 oz) Adult Horses (900-1,100lbs): Maintenance: Provide 2 ounces daily. Working/Performance: Provide 2-4 ounces daily.
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    Magnesium 5,000 is rated 4.7 out of 5 by 225.
    Rated 5 out of 5 by from Made a huge difference ... Put my 3 year race horse on this to address very strange skiddish behavior. I started thinking he may have a magnesium deficiency that was affecting his response system. After 2 months on this, he's much more relaxed on the cross ties and in his stall.
    Date published: 2017-04-10
    Rated 3 out of 5 by from I switched to this product as it was cheaper, but did not see the same results and switched back to the other product.
    Date published: 2017-04-06
    Rated 5 out of 5 by from
    Date published: 2017-04-06
    Rated 5 out of 5 by from Magnesium 5000 excellent for sensitive mare! My mare is extremely sensitive and reactive during the winter months. I immediately noticed a difference once starting her on Magnesium 5,000. I will never go a winter without it again!
    Date published: 2017-02-28
    Rated 5 out of 5 by from Awesome Supplement! Noticed a difference within the first three weeks. Still will experience a "mare moment" but dialed down. Much more social/relatable now. Very happy with results. Cannot beat the price!
    Date published: 2017-02-21
    Rated 4 out of 5 by from Great supplement, but my horse is still a jerk I gave it several months but we decided that it didn't make a difference with my horse. He meets all the symptoms (not just mentally but physically as well,) of a magnesium deficiency, but he hasn't changed. He had issues back when he was a show horse, and now he's just kinda lost his mind after retirement. Some days he's cool as a cucumber, other days he's nervous, rearing in cross ties, kicking, biting, etc. Always fine under saddle, it's just the ground that he's a nightmare. He has a custom fitted saddle and everything a horse could want. But unfortunately he's still crazy. He's 23 though so we don't do much with him, so we put up with him. I DEFINITELY recommend this product for horses that meet the clinical symptoms of mag deficiency. It's a good quality, awesome price, and you know it's safe to feed. Just remember that each horse is different.
    Date published: 2017-02-20
    Rated 5 out of 5 by from Great product I was recommended to try this for a cresty neck and it's really helped my horse. I'm not even feeding it every day just a few times a week and it's really helped my horse. When I re-rdered I found Smart Pak to have the best pricing on this product.
    Date published: 2017-02-17
    Rated 5 out of 5 by from Truly amazing In October, I bought a two year old thoroughbred gelding. He had only been handled for basic care, such as vet appointments, farrier, etc. He was EXTREMELY sensitive and reactive. He didn't like being touched and he couldn't seem to use the "thinking part" of his brain. A trusted trainer told me about supplementing magnesium, as our area and hay tends to be deficient. At the time, I was on a real budget, so, honestly, I bought the most economic Magnesium supplement I could find. My results: I started my gelding on this product a month after getting him, and within a week this horse started changing. He was much more willing to let me touch him, and wasn't so senstive that he became uncomfortable anymore. I finally made advances with his training. He was really starting to think and use that noggin of his. A month later, I had a completely different horse. Curious, playful, very intelligent, kind, and very willing. He's still a little on the sensitive side of the spectrum, but no where near as out of the ordinary as he was. In January, I decided to try a different "better quality" magnesium supplement, and I switched him over to Quiessence. It was a big mistake. Within two weeks of switching, I could see him reverting to his old ways. I still can't figure out WHY, but that magnesium supplement did not work for him one bit. He is now back on Magnesium 5000, and will STAY on Mag 5000! I really can't say enough about this product. It's been a miracle for us, and completely changed my horse. The fact that it is SO economical is a huge plus as well.
    Date published: 2017-02-15
    Rated 5 out of 5 by from My horse seems happier Disclaimer: I'm not a huge believer in feed through supplements like this because I rarely think they actually do much (although they don't harm) so I periodically try things on a whim or if I inherit something. That said, my horse has been really good during the time he's been fed the magnesium so whether it is directly related to the supplement or other factors, I'm inclined to keep him on it for some time longer.
    Date published: 2017-02-10
    Rated 3 out of 5 by from Good Palate-ability, Results? My horses are eating the product well but I am not sure I am seeing the same relaxation in muscle groups as another product I have used in the past but, is more expensive (hence why I was trying this). It would be worth a try to someone though.
    Date published: 2017-02-09
    Rated 4 out of 5 by from Seems to be helping both of mine! I bought this for my young horse who is prone to muscle stiffness and decided to he and his mother (retired old TB mare) on this. My mare is moving so much better (she has bad arthritis/hock issue) and my gelding hasn't been as sore after silliness and hard work.
    Date published: 2017-02-07
    Rated 2 out of 5 by from Haven't Noticed Any Sort of Difference Been giving this to mare for a little over a month with the proper loading dose. I've noticed zero difference. She remains very distracted and always looking for something to spook at. I will say that my horse tends to be on the picky side and had zero hesitation eating this supplement mixed in with her feed. I wish I had boughten the supplement in SmartPaks instead of buying the giant bucket because in the event that it doesn't work for her, I would've wasted only a fraction of the cost. Since I did buy the biggest bucket I will continue to give it to her just to use it up because it isn't doing any harm. Hopefully I'll be able to update my review in another month and get to say that it's made any sort of improvement on her attentiveness. I'm someone who generally leans toward either depo or regumate, but because my newest mare is only 4 I wanted to try something less invasive and was suggested I try a magnesium supplement. I will probably still end up giving her regumate.
    Date published: 2017-01-30
    Rated 5 out of 5 by from Great product I started my gelding on this product after doing much research on magnesium deficiencies in working horses. I have noticed that since starting on this supplement he is overall a happier horse, less nervous in new or scary situations, less agitated, just over ally more comfortable. I'm very pleased with this product.
    Date published: 2017-01-20
    Rated 5 out of 5 by from Improved Cracks in Hoof! Bought this for my Hanoverian who had some hoof cracks that were not improving. Saw a noticeable improvement after just 5 weeks, and even more improvement after his second trim since starting. I bet the cracks will be gone after the next farrier visit. My gelding's diet lacked magnesium & this product fit the bill!
    Date published: 2017-01-18
    Rated 4 out of 5 by from Working for both of mine! I bought this for my young horse who tends to get stiff from tight muscles and decided to give it to his arthritic, retired mother as well. Sees to be helping both of them. My young man has been less tight after hard work, and his older mom has been having an easier time getting up and looks pretty good when she decides to run around.
    Date published: 2017-01-10
    Rated 5 out of 5 by from huge impprovement in head shaking for my mare
    Date published: 2017-01-03
    Rated 4 out of 5 by from Not for my horse I know many horses who thrive on this supplement, however my picky horse won't eat it!
    Date published: 2016-12-28
    Rated 3 out of 5 by from Some improvement Takes a little edge off of my horse. No as much as I would like, but enough to keep him on it. Granted he has only been on this brand for 60 days. This product gave me the best results than the other Magnesium supplements out there.
    Date published: 2016-12-16
    Rated 5 out of 5 by from Cost Effective Way to Buy High Quality Magnesium I have a mare who had suffered several severe physical traumas before she came to me. She was a physical and mental wreck which made her perpetually tense and nervous. She was hyper alert and would spin out of control if upset. Even after a year of dealing with the physical issues and avoiding anything that might set her off, the mare was still hyper alert and hyper reactive. Her condition fit the description of a magnesium deficient horse. The magnesium didn't solve all the problems, but it certainly tipped the balance enough to get the horse back into work and starting to lead a normal life.Unfortunately, not all magnesium supplements are created equal. Many simply don't work. The one we were using at my barn worked really well but was very expensive. I was wary about changing brands ("If it ain't broke, don't fix it.") but when I couldn't get the usual brand, I tried a month's supply of MVP. It actually worked even better than the previous brand and at half the price.In fact, the MVP worked so well, we thought that the mare didn't need the magnesium any more. Not true. When we tried to titrate her off of it, she started to revert to her tense and reactive state. When we resumed the normal dose, she returned to being her new normal of relaxed compliance. Note: The mare remains a strong, keen, competitive horse with the magnesium. It's not going to turn her into an old school horse. But it does keep her sane and happy to do her job which is exactly what I was looking for.
    Date published: 2016-11-12
    Rated 5 out of 5 by from Helping my OTTB who is recently off the track!
    Date published: 2016-11-04
    Rated 5 out of 5 by from Great magnesium supplement! My TB gelding is very, very picky, and at first, he turned up his nose at these pellets. But after cutting the dosage in half for a few days and gradually working up to a full dose, he now happily scarfs them down. He's had some muscle soreness and having hay and pasture tested, we've found his diet is likely deficient in magnesium. Since starting him on the MVP Magnesium 5000 pellets, his hoof and hair quality have really improved, and his muscle soreness has dissipated, as well. This is a great product backed by the NASC seal, so you can rest easy knowing you're getting a high-quality supplement.
    Date published: 2016-10-21
    Rated 5 out of 5 by from Needed supplement We had our soil tested and found that, among other things, our hay was lacking magnesium. We discussed the situation with our vet.This supplement has helped complete the horses' diet.
    Date published: 2016-10-05
    Rated 5 out of 5 by from Amazing results! I have used Magnesium 5000 on several nervous/spooky/flighty horses with great success. I have tried pretty much every calming supplement out there and have had the best results by far with Magnesium 5000.
    Date published: 2016-09-14
    Rated 4 out of 5 by from Can't tell a difference yet I have been using this product for almost 2 months now. Haven't noticed a huge difference yet. So I am going to give it another month or so before I make a decision so that it will be fair. I have noticed she is gaining some weight, but I also recently switched over to a different grain, so hard to tell which one did that. She is a little calmer now, but still a little moody. I did notice she was calmer on the trail though. When winter hits I will be able to tell a lot more, since she is usually a pacer in her stall. But she still paces in her paddock. Again, I want to give it more time before I decide for sure.
    Date published: 2016-08-27
    Rated 4 out of 5 by from Good, The horses like the taste. Calming supplement. Does it job works wonderful. Have to feed 2 hours after you feed it.
    Date published: 2016-08-20
    Rated 5 out of 5 by from Magnesium the missing mineral Sturdy bucket, easy to handle. Economical packaging.
    Date published: 2016-08-08
    Rated 5 out of 5 by from MVP / Magnesium 5,000 This is the first time I've used a "Calming" product for my mare. I have a 13 year old Quarab (grade) that tends to be a little "hot" and I just moved her to a new barn / new location and needed something to help "settle her down" so she could adjust to her new surroundings.
    Date published: 2016-08-07
    Rated 5 out of 5 by from Great results! I bought this product a month ago and have already seen an attitude adjustment from my mare.
    Date published: 2016-07-21
    Rated 5 out of 5 by from Amazing results He is so much more focused and relaxed. Makes total sense with the mineral deficient soil can be
    Date published: 2016-07-14
    Rated 5 out of 5 by from Calmed my ottb About this for my 4 year old OTTB mare that was very anxious under saddle. Within a week of being on the product, I noticed a tremendous difference as soon as I got on her back
    Date published: 2016-07-12
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