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Feeding Chart

Daily Serving

Dog Weight - lbs Inactive Dog Active Dog Working Dog
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Inactive Dog - Less than 30 minutes of vigorous exercise daily
Active Dog - At least 30 minutes of vigorous exercise daily
Working Dog - More than two hours of vigorous exercise daily
This is only a guide. Please consult your veterinarian to determine the perfect feeding amount for your dog.
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You're eligible to apply for our FREE ColiCare Program after checkout.

ColiCare is a FREE veterinarian-directed wellness program that provides enrolled horses with up to $10,000 of colic surgery reimbursement.

How Does it Work?

  1. Order any ColiCare Eligible Product in SmartPaks
  2. Fill out the quick application online- no paperwork required!
  3. Complete the Annual Wellness Requirements every year:
  • Physical exam performed by your vet
  • Dental exam performed by your vet
  • Vaccinations administered by your vet
  • Deworming program developed with your vet that includes at least one fecal test and two deworming administrations per year

Provided you meet the requirements above, if your horse undergoes any type of colic surgery, you'll be eligible for up to $10,000 of reimbursement.

Learn More »
  • This horse already has an existing AutoShip SmartPak. Please select the "AutoShip" checkbox or enter a different horse name.
  • SmartPak Pouches are currently only available for horses receiving one daily dose supplement, but the horse you've selected is already receiving other daily dose supplements. Please select "SmartPak Strips" to add this supplement to your horse's current order or enter a different horse name.
Please call 1-800-461-8898 to order this product.
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  • This horse already has an existing AutoShip SmartPak. Please select the "AutoShip" checkbox or enter a different horse name.
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Targeted support for senior joint health

  • 5,000 mg of glucosamine, 500 mg of chondroitin sulfate, 3,000 mg of MSM, & yucca for healthy joints
  • Includes vitamin A & vitamin E for antioxidant support, plus probiotics for healthy digestion
Senior Flex is a unique combination of joint, digestive, and antioxidant support for the senior horse. Provides 5,000 mg of glucosamine, 500 mg of chondroitin sulfate, 3,000 mg of MSM, 5,500 mg of yucca, 1,200 mg of Ester-C, 15,000 IUs of vitamin A, 1,000s IU of vitamin E, and probiotics to aid in weight gain, body condition, and digestive function. Senior Flex is apple-flavored with a rice bran base for added palatability.

Also consider Senior Flex H/A Pellets!

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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.

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Ingredients

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Clinical Research

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    Reviews

    Senior Flex is rated 4.6 out of 5 by 138.
    Rated 5 out of 5 by from Easy to use in smartpaks Giving this to our 28 plus year old appy and he is also a lesson horse and has more spunk than ever. Working great!
    Date published: 2015-02-03
    Rated 5 out of 5 by from Pleased with this supplement It took a little longer than a month, more like two months but now we can tell it is working. The automatic shipping to the barn makes it so easy!
    Date published: 2014-09-03
    Rated 5 out of 5 by from I'll never switch I have a 34 yr old QH gelding, who had a number of issues a few years ago, and without exploratory surgery, we would never know what was wrong with him, and on top of that he had severe damage to his front right knee due to getting smacked with a polo mallet. It resulted in debilitating arthritis to the point his nose would nearly touch the ground when he walked. After many trials and errors with both his digestive issues and the joint problems, I came upon Senior Flex. I was like a miracle. Within 2 weeks, his chronic diarrhea was clearing up, and his pronounced limp was disappearing. After being on Senior Flex for almost 9 years, I would never ever change. My mare is now approaching 30 and she'll be starting Senior Flex. And amazing supplement with amazing results!!
    Date published: 2013-09-19
    Rated 4 out of 5 by from Decent Supplement I've got an 18 year old with moderate arthritis. I was previously feeding just Yucca (at the same level) with great results, so I decided to try this product for some extra support. I didn't really notice any difference between this and just straight Yucca. When I run out, I'm going to try something with higher levels of ingredients plus HA. This product would probably be great for maintenance, but not so helpful when there's already damage done.
    Date published: 2012-10-18
    Rated 4 out of 5 by from Great for the price Compared to the active ingredients of the other Senior horse supplements, this has the edge and is extremely cost effective. My horse eats it no problem and has been acting a little more spunky lately! 4 stars becuase I only give my horse a smaller maintenence dose.
    Date published: 2012-08-29
    Rated 5 out of 5 by from Still works great I have used this supplement for over 6 years on the same horse. I have run out in the past and with in 1 week he is dead lame. He is a 28 y/o Morgan with degenerative suspensory disease in both back legs (I've owned him since he was 4 y/o). I was told he might be pasture sound at a walk - after having a long recovery he can buck, gallop and play like he use to (he is also sound to ride on safe ground at a walk/some trot.) Thanks to Senior Flex & Devil's Claw Plus I have my friend back.
    Date published: 2012-08-22
    Rated 5 out of 5 by from Great joint supplement! My 17 year old mare moves better with less crepitus after a month of use!
    Date published: 2012-08-11
    Rated 4 out of 5 by from Excellent supplement My 23 yr old mare is doing great on this supplement. She a bit fussy about eating but she finds this supplement very palatable.
    Date published: 2012-06-04
    Rated 5 out of 5 by from Horse feel good! My 22 year old appendix seems to feel very good on this product! I caught him ripping around the field full speed leaving his younger pasture mate in the dust! I haven't seen him doing this in a while.
    Date published: 2012-04-24
    Rated 5 out of 5 by from Seems to work! Just barely a month in but I have noticed on my 12 year old show gelding that he no longer clicks when being ridden and the hock swelling he had been experiencing is gone. He seems to eat it with no problems. This is a good choice when your horse isn't ready for a Senior supplement with all the extras such Devils Claw and Boswellia
    Date published: 2012-03-13
    Rated 1 out of 5 by from This was great for my 24yr old thoroughbred's joints but not great for his breathing. He is a roarer and Seniorflex made his roaring so bad that I was unable to ride some days. If your horse has no breathing ailments then it is probably good.
    Date published: 2012-01-24
    Rated 4 out of 5 by from Great Value, Great Product My mare is definitely more spunky after being put on Senior Flex. She is back to her normal self again.
    Date published: 2012-01-23
    Rated 5 out of 5 by from Great Product! All my senior horses love this supplement. 3 of our horses have arthritus and can't tell due to the yucca in this product. I would definitely even recommend this product for horses that are borderline arthritus and joint inflammation. It is a great preventative AND Maintence of joint issues.
    Date published: 2011-10-03
    Rated 5 out of 5 by from Great product! We started using Senior Flex on my husband's 18 y/o QH gelding because he was having issues with mild lameness and swelling in his front knee due to arthritis. Within a month of starting the Senior FLex, the swelling went away and he was sound again. It has made him feel so much better. He runs around his pasture bucking just because he feels good. He doesn't mind the taste. We just mix it in his food and he eats every bit of it. I think it's definitely worth the money for the great results we've gotten. I don't plan on ever taking him off of it.
    Date published: 2011-09-28
    Rated 5 out of 5 by from Love it I have several over 25 horses and they look and act like teenagers. The vet was out to look at one of my mares and said she was about 15 years old. When I corrected him he was very impressed how well she looks. My horses love it and the results are great.
    Date published: 2011-09-22
    Rated 5 out of 5 by from LOVE IT!! I have two seniors, 21-year-old Thoroughbred mare and a 24-year-old Paso Fino gelding. This product makes a HUGE difference in how they move. I've tried other products, but they never work as well as this one! Best part is, if I forget to add Senior Flex to their grain, I can just dump it in their feed buckets and they'll clean it up!
    Date published: 2011-08-17
    Rated 5 out of 5 by from Very Good Product I have been using Senior Flex for a while with my 18yr. Old Quarter horse and he has shown inprovement. I would reccomend this to all my friends.
    Date published: 2011-07-07
    Rated 5 out of 5 by from The best product I've purchased in a long time! My very picky 25 yr old QH mare is a retired Western Pleasure/halter horse. At 15.3H and 1,350 lbs (in her prime), the weight took a toll on her joints. About 4 months ago she was so bad, she would lay down to take the weight off her feet and not be able to get back up without assistance. A vet visit later I was on this site finding the minimum recommendations provided by my vet. Today (late June) she walks around, trots, lopes, and gets up and down by herself just fine. She still has a little stiffness, but considering the drastic change in 4 short months I couldn't be happier, and it's Lacey approved! I also want to add that keeping weight on an older horse can be a feat. This is the only suppliment I currently have her on, and it's helped her digestive system use her in-take better. She's gained 50 lbs! This product is 5 stars and does wonders for the price.
    Date published: 2011-06-24
    Rated 5 out of 5 by from Love this supplement I have been using this supplement for a month and I could tell a difference in the short time I have been using it. My horse doesnt even knows its in his feed.
    Date published: 2011-05-31
    Rated 5 out of 5 by from Problem Solvers Senior Flex w/hyluronic acid has given my 26 yr old Q.H. mare who was very stiff in her joints more flexibility and given her a new lease on life. Quitt - It works!!! Farriers Formula - It has strengthened and improved my geldings hooves tremendously.
    Date published: 2011-05-18
    Rated 5 out of 5 by from great produce that works I've been using this for 4 yrs now on my 27 y/o Morgan gelding & my 30+ y/o Arab gelding. Both horses love this supplement & it works well. Ran out of it in Dec 2009 for the Morgan & in 4 days he was back on Bute (he has tendon degenration on both hind legs - I was told he would never be able to canter again) After 2 yrs of rest he not only canters but bucks & kicks while in the field like a yearling. The Arab was a hunter pony for yrs & he acts like he is 10 yrs old while on it. Both horses are also on Devil's Claw plus -which also is great.
    Date published: 2011-05-11
    Rated 4 out of 5 by from Good Purchase This worked well for my horse. He needed a little more support for his joints then this supplement gives but overall it gave him more energy. I've switched to Focus Sr which seems to provide him with more support for his weight and energy. Senior Flex does work well and is cost effective.
    Date published: 2011-05-11
    Rated 5 out of 5 by from Great Value I wanted to give my 21 year old Percheron/QH gelding something to help with his joints. This product is easy to feed and for the price, I don't think you can beat it.
    Date published: 2011-05-09
    Rated 4 out of 5 by from good stuff I have been using this product for several years on 4 of my horses. One 35 year old that was having flexibility problems, and 3 as a preventative.
    Date published: 2011-04-27
    Rated 5 out of 5 by from Best All Around This product has been beyond satisfying. My horse loves it! For maintenance of our older horses, it does the trick!
    Date published: 2011-03-31
    Rated 5 out of 5 by from Great Product! My 21 year old Angelo Arabian mare has been on this for about 3 months now, and I can't be any happier! She was showing signs of stiffness in her hock, and was resistant to upward canter transitions. Her movement is now much more fluid, and she is no longer resisting the canter. We have also being doing long, 5hr, trail rides with a group that does endurance, and she is keeping up with them without any problem.
    Date published: 2011-03-29
    Rated 5 out of 5 by from Wonderful Relief for Tinker Tried a free months supply of Senior Flex for my 27yr old mare. She was badly stocked up due to cold weather and arthritis. After starting her on this with a maintenance dose of bute she is noticeable comfortable and much more active. Very pleased with the results.
    Date published: 2011-03-10
    Rated 5 out of 5 by from SENIOR FLEX WORKS WELL I STARTED GIVING MY MARE COMING 17 SMART FLEX ABOUT 6 MONTHS AGO AND IT REALLY SHOWS A BIG DIFFERENCE IN HOW SHE IS FEELING AND MOVING MORE FREELY
    Date published: 2011-02-21
    Rated 3 out of 5 by from Economical Alternative I feed this to a 21 y/o mare and an 8 y/o mare. They were not fans of the texture as they were used to SmartFlex Sr. pellets. I think this is a good product for the price. My first pick will always be SmartFlex Sr but this provided an economical alternative.
    Date published: 2011-02-15
    Rated 4 out of 5 by from to use as a preventive My 12 yr. old has only been on it for 3 weeks. Bought to use as a preventive, to help ensure a long and lameless life. As far as palatability, she is a finicky eater, but she seems to enjoy senior flex
    Date published: 2010-12-25
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