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MSM

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Shipping Frequency: AutoShips every 28 days (details) AutoShips every  days (details) One-time Ship
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Feeding Chart
PortionPak Feeding Chart for Dogs
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.
Quantity
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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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Please call 1-800-461-8898 to order this product.
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

Supports a healthy inflammatory response

Select the Best's MSM is an ultra-pure 99.9% source of bio-available sulfur. MSM, or methylsulfonylmethane, is thought to support a healthy inflammatory response. No fillers, artificial colors, or flavors.
  • Provides 10,000 mg of MSM for a healthy inflammatory response
  • Odorless and virtually tasteless it is often used for joint support and improved blood circulation.

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Research

Key Ingredients

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Facts

Supplement Facts

Ingredients
Ingredient Name Amount Per Serving
Ingredient Name Amount Per Pound

Ingredient Details

Instructions

Instructions
Weight Recommended Amount Loading Amount

How the Ingredients Work

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Supporting Success

Supercharge Your Supplements

  • Simplify with SmartPaks | Consistent, Custom, Convenient
    We take the guesswork out of serving sizes, ensuring your horse gets the right amount, every time. SmartPaks have airtight seals to ensure that your horse always has the freshest supplements available. Your horse is unique and his supplements should be too. Choose from over 230 supplements to get everything he needs, nothing he doesn't. We print your horse's name on every Pak so there are no mix-ups, making feeding time fast, accurate and easy! Unlike most buckets, SmartPaks are made from recycled plastic and can be recycled again! We'll send your SmartPaks on time so you never run out, with total flexibility and no commitment. Plus all SmartPaks over $40 receive free ground shipping.

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.

MSM is rated 4.6 out of 5 by 339.
Rated 5 out of 5 by from Cost Effective Bulk MSM While this does have an option to go in SmartPaks, this has been the best product that I have found that is the most cost effective and in large bulk supply options. I typically like to add additional MSM to my mare's diet when we are in work. This product is picky mare approved, and has done well to support my mare's comfort.
Date published: 2025-05-06
Rated 1 out of 5 by from Doesn’t work don’t waste your money My horse has been on msm for around 8 months and I’ve seen no change at all… I don’t blame smartpak because I love smartpak but I’m disappointed in the product. I would not recommend
Date published: 2024-07-30
Rated 5 out of 5 by from So cheap! This is such an affordable and effective product. Last a long time and my mare has no problems eating it.
Date published: 2023-11-17
Rated 5 out of 5 by from Helps with Skin Issues I've found this helps horses with funky skin, so I figure maybe it does help with joints, too. Who knows? I do know Smartpak (unlike everything else) offers the best price. What is up with their new "Fufillment Fee" though?
Date published: 2023-03-22
Rated 5 out of 5 by from Cost effective MSM I found this to be the most cost effective way to buy pure MSM on autoship. Works just as well as the other brands of MSM I’ve used in the past, no issues with it at all. My horse doesn’t notice or doesn’t care that it’s in her feed.
Date published: 2023-02-22
Rated 5 out of 5 by from Horse eats it. I like this supplement! My horse eats it and seems to do well on it!
Date published: 2023-02-10
Rated 5 out of 5 by from Works This stuff has helped my TW horse of 28 yrs with his arthritis. Won't go without it.
Date published: 2022-05-01
Rated 5 out of 5 by from Good maintenance I have my aging horse on MSM to keep him comfortable. Inexpensive but effective.
Date published: 2022-04-24
Rated 4 out of 5 by from Cheap and easy product to use! Have never had a horse refuse to eat it
Date published: 2021-12-20
Rated 5 out of 5 by from Trying it for my horse’s leg. I can let you know but need to give it some time
Date published: 2021-08-03
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