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Mega Grand Flex

1. Packaging/Size
2. Customization & Shipping Frequency
You'll love our AutoShip because it's:
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PLUS! You'll save % on every shipment if you order this product on AutoShip PLUS! You'll save % on every shipment if you order this product on AutoShip
We're bringing you this product at the lowest price allowed by the manufacturer so you won't find it cheaper anywhere else. This also means we can't apply any further discounts or promotions.
28 day supply
day supply
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28 day supply
day supply
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Feeding Chart

Daily Serving

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.
( Cups / Meal)

You're eligible to apply for our FREE ColiCare Program after checkout.

  • This horse already has an existing AutoShip SmartPak. Please select the "AutoShip" checkbox or enter a different horse name.
Please call 1-800-461-8898 to order this product.
New ship same day!
These are for:
Sign in to choose an existing
  • This horse already has an existing AutoShip SmartPak. Please select the "AutoShip" checkbox or enter a different horse name.
-
+

FINAL SALE - This item cannot be returned or exchanged.

FINAL SALE - This item cannot be returned or exchanged.

Order within and
have it by
Shipping to
Add these items to your cart to get your estimated arrival date.
Shipping to
The frequency you selected is not eligible for SmartPerks benefits that come with AutoShip supplement orders. In order to get benefits like free shipping and 10% off, set this product to ship at least every days. What are SmartPerks?

Overview

Aggressive support for hardworking joints

  • The important co-factors in original Grand Flex, plus 12,500 mg of glucosamine & 10,000 mg of MSM
Mega Grand Flex is designed to help horses that have not responded to traditional ingredient levels in joint support products. Grand Meadows recommends that you use Mega Grand Flex when a more aggressive approach is needed. Mega Grand Flex contains all the important co-factors in original Grand Flex, plus 12,500 mg of glucosamine and 10,000 mg of MSM per serving.

Other ways to support success

100% Happiness Guarantee
At SmartPak, your happiness is at the core of everything we do. We put our products to the test in our barns and on our horses, and back every order with our world-class customer service so that you can shop with confidence. As part of our Happiness Guarantee, we promise you:
  • Expert advice from riders
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  • Free return shipping on sized items
  • Hassle-free returns up to 365 days after purchase

Ingredients

(Maintenance Dose = )
Ingredient Amount
  • Ingredient Per Serving Per Pound

How the Ingredients Work

    •  
    •  
    •  

Instructions

Instructions for Use:
Horse Weight Recommended Amount Loading Amount

Research

Reviews

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.

Mega Grand Flex is rated 4.7 out of 5 by 18.
Rated 5 out of 5 by from Great! I bought this about a month ago for my retired barrel horse that has severe arthritis from an injury. I have seen a huge change in her comfort level. Sometimes she can be a picky eater but the taste doesn’t seem to bother her. I will continue to feed this.
Date published: 2018-08-30
Rated 5 out of 5 by from Great Product I bought this about 1 month ago. Our horse eats it with her grain each evening. We chose this product because it is a powder and had the ingredients we were looking for. Our horse is HYPP and we check the all the ingredients in any supplement we are considering to use. Smartpak's comparison charts are very helpful!
Date published: 2015-06-08
Rated 4 out of 5 by from Great product for the price! I have only been using this product for a little over a month can't really tell a big difference yet.
Date published: 2014-10-04
Rated 5 out of 5 by from Delivers as promised I was looking for a high level supplement without a lot of extra ingredients. My horse likes the taste, and he has responded favorably with diminishing lameness.
Date published: 2013-05-23
Rated 5 out of 5 by from great price for all you get It has everything I need in joint supplement and the price is right, especially if you have multiple horses. I've only been using for product for a few weeks so I can judge its efficacy. I'll need to give it a few months. My horses eat it, so that's important and it requires only a once a day dose.
Date published: 2013-05-18
Rated 4 out of 5 by from First Day First day with this product. I'm trying it because of all the good reviews. Sadly my picky picky picky mini does not like the taste . I'll have to figure out a way to make it tastier to her. I will update !
Date published: 2013-04-10
Rated 4 out of 5 by from great product My chiroprator suggested I use this product for my 9 year old thorobred, it has all the daily amounts needed to help maintain his joints and keep him pain free.
Date published: 2011-09-22
Rated 5 out of 5 by from Really makes a difference I have used this product for the past 8 months and it has really made a significant difference in my horse's mobility. I do mix it with beet pulp as she will not take it any other way.
Date published: 2011-08-04
Rated 5 out of 5 by from Just wonderful My horse has a bit of arthritis in his front ankle. After just 2 weeks with Mega Grand Flex I noticed he was feeling much better and not as stiff when I rode. This is the first supplement I have found that I really could see the results. My horse now has a spring in his step and ready to roll!
Date published: 2010-09-15
Rated 5 out of 5 by from Best Value! This product has the most glucosamine and MSM you will find for the price. My horse even after two weeks is moving better and feeling better. Great purchase!
Date published: 2010-04-30
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Q&A

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