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SmartFlex® Pellets

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Feeding Chart

Daily Serving

Feeding Chart
Dog Weight - lbs Inactive Dog Active Dog Working Dog
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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Only SmartPaks on AutoShip make you eligible to apply for the FREE ColiCare Program. Colicare is a free program that provides up to $15,000 in colic surgery reimbursement
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Product Overview

Which horses benefit from moderate joint support?

Even light work can lead to wear and tear on your horse's joints; after all, researchers have found that even wild mustangs can develop joint issues. That's why providing your young horse, or horse in light to moderate work with the fundamentals of joint health is a sound investment in your future together.

Learn More

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

  • Choose Your Flex: SmartFlex® Pellets
    Not sure which SmartFlex formula is the best one for you? Watch this short video & see if SmartFlex Pellets is right for you and your horse.
  • 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.

SmartFlex® Pellets is rated 4.7 out of 5 by 300.
Rated 5 out of 5 by from Makes a Difference! I've had my gelding on SmartFlex Pellets for 3 months, since learning he had a previous hock injury. Within just a few weeks he seemed more relaxed when asked to trot, and now his stride is smooth and even. Thank you, SmartPaks!
Date published: 2017-09-04
Rated 5 out of 5 by from Great product! Absolutely love this product, Fletcher is doing so well on it!
Date published: 2017-08-30
Rated 5 out of 5 by from I just put my mare on this and love it! I could tell a difference in a week!0
Date published: 2017-08-24
Rated 4 out of 5 by from Good value I have a 16 year old ottb and I have noticed an improvement in how he feels while riding since being on this product.
Date published: 2017-08-23
Rated 5 out of 5 by from Omega Horseshine Rosey loves her SmartFlex Pellets and immediatly eats them up
Date published: 2017-08-22
Rated 5 out of 5 by from Amazing Improvement! Leena has been on this product for 3 months and I have noticed a huge change! She's much more willing to move out and I don't notice her joints cracking at all like they used to! Leena is in a medium work level as a low level jumper.
Date published: 2017-08-15
Rated 5 out of 5 by from Helping Horse with arthritis I started giving my horse this supplement two months ago, after noticing and confirming with my vet that my horse was having mild problems with her hocks. I wasn't a big believer in supplements, but I'm always willing to try new things to see if they are worth my wild. Though I can't visably see a difference, when my farrier came out this past week, he noticed that she was more willing to stretch out her hocks when he trimmed her. As a result, I am now a believer!
Date published: 2017-08-12
Rated 5 out of 5 by from Good basic supplement I bought this to help a little mare that was given to me who was out of shape and over weight. She was a little stiff to move and seems to be getting along very well on this.
Date published: 2017-08-04
Rated 4 out of 5 by from Feeling good again Started my 22 year old quarter horse on this back in May and now he doesn't seem to be as stiff in the mornings and he is even trotting around more in the pasture. I'm sure he is feeling good again!
Date published: 2017-07-01
Rated 5 out of 5 by from Drastic Improvement! I've had my gelding on this supplement for over a year and I couldn't be happier with the results! Sometimes he gets stiff in his hind legs due to lack of exercise or cold weather. This supplement has taken the soreness and discomfort out of his hind end. He moves so much nicer now, and seems much happier and healthier!
Date published: 2017-06-06
Rated 5 out of 5 by from Love it! This product really helps my horse. SmartFlex has help to improve her movement.
Date published: 2017-06-06
Rated 5 out of 5 by from Amazing results Red has been on this for one mont and I could not be happier! I can honestly say that this smart flex has helped him feel more comfortable when he is out.
Date published: 2017-05-11
Rated 5 out of 5 by from Works great and is very affordable! Bought this about a month and a half ago and so far I have noticed a difference in my horses fluidity
Date published: 2017-04-25
Rated 5 out of 5 by from It works We started feeding the SmartFlex 1 Maintenance pellets and there was a noticeable difference in the mare's way of going within the week.
Date published: 2017-04-25
Rated 5 out of 5 by from Joint supplement Chewy has had arthritis since I bought him. This produce really helps keep him moving.
Date published: 2017-04-12
Rated 5 out of 5 by from Great product! My horse was having some stiffness problems this fall and I was worried about him trying to make it through the winter.we live in an area that receives around 200-300 inches of snow and that can make it difficult to move around.he did very well and I am very happy with the results that I see.I will keep him on this supplement.
Date published: 2017-03-26
Rated 5 out of 5 by from Love it I purchased this supplement and I am very happy with the results.
Date published: 2017-03-10
Rated 5 out of 5 by from Wonderful This is much better than the brands you can buy at TSC my horse has definitely been feeling much better since having him on this supplement. Both mu geldings are on this and its helped drastically.
Date published: 2017-03-07
Rated 4 out of 5 by from Works great Give this to my 24 year old gelding who was A little still warming up. Now he is doing great & acts like a 6 year old
Date published: 2017-03-07
Rated 4 out of 5 by from trying to get some joint support into my horse I am boarding three horses at two different stables. I visit one stable daily and the other once or twice a week. I need to give the horse I don't see as often a joint supplement because he is recovering from an injury. Smart Paks was a good way for me to go because it's easier for the barn manager and the price was competitive.
Date published: 2017-02-16
Rated 5 out of 5 by from Excellent product! My horse has been on SmartFlex Maintanvw for a little over a month now. I started her on this due to an old injury and it making her stride just a little off in the back end. Since starting this supplement she is back to full form! Back to her natural, high action stride that I and everyone who meets her loves so much about her! I couldn't be more happy with the product!
Date published: 2017-01-31
Rated 5 out of 5 by from Awesome product! Started Koda on smart flex pellets in November! He has never moved so well!
Date published: 2017-01-28
Rated 5 out of 5 by from You make her feel so young! This product is wonderful and my senior mare feels and acts so much younger since she has been taking SmartFlex Maintenance 1. She has more spring in her step and has been wanting to jump crossrails. She has always enjoyed trails but now she acts even happier and finds her gaits and speeds up with pleasure. This supplement has made my gaited girl feel so much better and I feel better knowing she isn't moving stiffly now. She is a picky eater but has no issues eating the pellets.
Date published: 2017-01-25
Rated 5 out of 5 by from Less Stiffness Horse was having stiffness and occasional swelling. She's 13 so I wanted to get ahead of this before it gets worse. Mare has had no swelling and warms up much quicker since using this product.
Date published: 2017-01-02
Rated 4 out of 5 by from Smart flex maintenance love this product! My horse does well on it and is a great value
Date published: 2016-12-07
Rated 4 out of 5 by from Good for horses in light work Great product, best suited for horses doing light work. Anything jumping should be on something stronger
Date published: 2016-11-30
Rated 5 out of 5 by from So easy We have a young horse in training and wanted to give her every opportunity to realize her full potential. And with the extra stress of training, we decided not to leave nutrition to chance, so we put her on the SmartFlex Pellets. She's doing great. Beautiful muscle tone, coat, mane and tail. And the smartpaks are just so easy for anyone to use that we don't have to worry about who is feeding. She will always get the right dose.
Date published: 2016-11-15
Rated 5 out of 5 by from This is the start of the third month for my rescue Thoroughbred mare taking Smartflex-rehab-pellets Maintenance. She is 14 and would come out of her stall stiff. She no longer starts off stiff and her movement throughout riding is much more fluid.
Date published: 2016-10-03
Rated 4 out of 5 by from Hope loves the taste. I have just started using this product and I believe I see some results. For sure I will give this a full 3 months trial. Hoping for more results. By the way this is a Miniature Horse mare that I am using this on.
Date published: 2016-09-14
Rated 5 out of 5 by from Seems to be working I have two of my older boys on this (14 and 16) and they seem to be a bit springier in their step! Hoping the benefits continue.
Date published: 2016-09-12
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